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System network

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FortiGate-100A Administration Guide

01-28007-0068-20041203

61

DNS

Several FortiGate functions, including Alert E-mail and URL blocking, use DNS. You
can add the IP addresses of the DNS servers to which your FortiGate unit can
connect. DNS server IP addresses are usually supplied by your ISP.

You can configure primary and secondary DNS server addresses, or you can
configure the FortiGate unit to obtain DNS server addresses automatically. To obtain
addresses automatically, at least one interface must use the DHCP or PPPoE
addressing mode. See

“DHCP” on page 50

. See

“PPPoE” on page 51

.

If you enable DNS Forwarding on an interface, hosts on the attached network can use
the interface IP address as their DNS server. DNS requests sent to the interface are
forwarded to the DNS server addresses you configured or that the FortiGate unit
obtained automatically.

Figure 11: DNS

To add DNS server IP addresses

1

Go to

System > Network > DNS

.

2

Change the primary and secondary DNS server IP addresses as required.

3

Select Apply to save the changes.

Obtain DNS server
address automatically

When DHCP is used on an interface, also obtain the DNS server IP

address. Available only in NAT/Route mode. You should also enable

Override internal DNS in the DHCP settings of the interface. See

“DHCP” on page 50

.

Primary DNS Server

Enter the primary DNS server IP address.

Secondary DNS Server

Enter the secondary DNS server IP address.

Enable DNS
forwarding from

Enable the check boxes of the interfaces to which DNS Forwarding

applies. Available only in NAT/Route mode.

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Содержание FortiGate 100A

Страница 1: ...ion Guide INTERNAL DMZ 1 4 3 2 1 LINK 100 LINK 100 LINK 100 LINK 100 LINK 100 LINK 100 LINK 100 LINK 100 WAN 1 WAN 2 PWR STATUS A DMZ 2 FortiGate 100A Administration Guide Version 2 80 MR7 3 December 2004 01 28007 0068 20041203 ...

Страница 2: ...ation Guide Version 2 80 MR7 3 December 2004 01 28007 0068 20041203 Trademarks Products mentioned in this document are trademarks or registered trademarks of their respective holders Regulatory Compliance FCC Class A Part 15 CSA CUS CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS For technical support please visit http w...

Страница 3: ...ion 21 Related documentation 22 FortiManager documentation 22 FortiClient documentation 22 FortiMail documentation 22 FortiLog documentation 23 Customer service and technical support 23 System status 25 Console access 25 Status 26 Viewing system status 26 Changing unit information 29 Session list 32 Changing the FortiGate firmware 33 Upgrading to a new firmware version 33 Reverting to a previous f...

Страница 4: ... Transparent mode virtual domains and VLANs 68 Transparent mode VLAN list 69 Transparent mode VLAN settings 69 FortiGate IPv6 support 71 System DHCP 73 Service 73 DHCP service settings 74 Server 75 DHCP server settings 76 Exclude range 77 DHCP exclude range settings 78 IP MAC binding 78 DHCP IP MAC binding settings 79 Dynamic IP 79 System config 81 System time 81 Options 82 HA 84 HA configuration ...

Страница 5: ...updates 123 Support 125 Sending a bug report 126 Registering a FortiGate unit 127 Shutdown 129 System virtual domain 131 Virtual domain properties 132 Exclusive virtual domain properties 132 Shared configuration settings 133 Administration and management 134 Virtual domains 134 Adding a virtual domain 135 Selecting a virtual domain 135 Selecting a management virtual domain 135 Configuring virtual ...

Страница 6: ...t entry 155 Prefix list 155 New Prefix list 156 New prefix list entry 157 Route map list 157 New Route map 158 Route map list entry 159 Key chain list 160 New key chain 160 Key chain list entry 161 Monitor 162 Routing monitor list 162 CLI configuration 163 get router info ospf 163 get router info protocols 163 get router info rip 164 config router ospf 164 config router static6 187 Firewall 189 Po...

Страница 7: ...e options 212 Configuring one time schedules 212 Recurring schedule list 213 Recurring schedule options 213 Configuring recurring schedules 214 Virtual IP 214 Virtual IP list 215 Virtual IP options 215 Configuring virtual IPs 216 IP pool 219 IP pool list 220 IP pool options 220 Configuring IP pools 220 IP Pools for firewall policies that use fixed ports 221 IP pools and dynamic NAT 221 Protection ...

Страница 8: ...ed settings 249 Phase 2 250 Phase 2 list 251 Phase 2 basic settings 251 Phase 2 advanced options 252 Manual key 253 Manual key list 254 Manual key options 255 Concentrator 256 Concentrator list 256 Concentrator options 257 Ping Generator 257 Ping generator options 258 Monitor 258 Dialup monitor 259 Static IP and dynamic DNS monitor 259 PPTP 260 PPTP range 260 L2TP 261 L2TP range 261 Certificates 2...

Страница 9: ...Default fail open setting 288 Antivirus 289 File block 290 File block list 291 Configuring the file block list 292 Quarantine 292 Quarantined files list 292 Quarantined files list options 293 AutoSubmit list 294 AutoSubmit list options 294 Configuring the AutoSubmit list 294 Config 295 Config 296 Virus list 296 Config 296 Grayware 297 Grayware options 297 CLI configuration 299 config antivirus heu...

Страница 10: ...tiGuard managed web filtering service 317 Category block configuration options 318 Configuring web category block 319 Category block reports 319 Category block reports options 320 Generating a category block report 320 Category block CLI configuration 320 Script filter 321 Web script filter options 322 Spam filter 323 FortiShield 325 FortiShield options 326 Configuring the FortiShield cache 326 IP...

Страница 11: ... options 334 Configuring the banned word list 335 Using Perl regular expressions 335 Log Report 339 Log config 340 Log Setting options 340 Alert E mail options 344 Log filter options 345 Configuring log filters 348 Enabling traffic logging 348 Log access 349 Viewing log messages 349 Searching log messages 351 CLI configuration 352 fortilog setting 352 syslogd setting 354 FortiGuard categories 357 ...

Страница 12: ...Contents 12 01 28007 0068 20041203 Fortinet Inc ...

Страница 13: ...ices such as virus protection and content filtering network level services such as firewall intrusion detection VPN and traffic shaping The FortiGate Antivirus Firewall uses Fortinet s Accelerated Behavior and Content Analysis System ABACAS technology which leverages breakthroughs in chip design networking security and content analysis The unique ASIC based architecture analyzes content and behavi...

Страница 14: ...n download quarantined files so that they can be virus scanned cleaned and forwarded to the intended recipient You can also configure the FortiGate unit to automatically delete quarantined files after a specified time The FortiGate unit can send email alerts to system administrators when it detects and removes a virus from a content stream The web and email content can be in normal network traffic...

Страница 15: ...ur computer networks from Internet threats ICSA has granted FortiGate firewalls version 4 0 firewall certification providing assurance that FortiGate firewalls successfully screen and secure corporate networks against a range of threats from public or other untrusted networks After basic installation of the FortiGate unit the firewall allows users on the protected network to access the Internet wh...

Страница 16: ...ponents However some advanced firewall features are available only in NAT Route mode VLANs and virtual domains Fortigate Antivirus Firewalls support IEEE 802 1Q compliant virtual LAN VLAN tags Using VLAN technology a single FortiGate unit can provide security services to and control connections between multiple security domains according to the VLAN IDs added to VLAN packets The FortiGate unit can...

Страница 17: ...ncluding IPSec VPN in NAT Route and Transparent mode IPSec ESP security in tunnel mode DES 3DES triple DES and AES hardware accelerated encryption HMAC MD5 and HMAC SHA1 authentication and data integrity AutoIKE key based on pre shared key tunnels IPSec VPN using local or CA certificates Manual Keys tunnels Diffie Hellman groups 1 2 and 5 Aggressive and Main Mode Replay Detection Perfect Forward S...

Страница 18: ...rus scanning to all the FortiGate units in the HA cluster Secure installation configuration and management The first time you power on the FortiGate unit it is already configured with default IP addresses and security policies Connect to the web based manager set the operating mode and use the Setup wizard to customize FortiGate IP addresses for your network and the FortiGate unit is ready to prot...

Страница 19: ...report traffic that was permitted by firewall policies report traffic that was denied by firewall policies report events such as configuration changes and other management events IPSec tunnel negotiation virus detection attacks and web page blocking report attacks detected by the IPS send alert email to system administrators to report virus incidents intrusions and firewall or VPN events or violat...

Страница 20: ...ask Vertical bar and curly brackets to separate alternative mutually exclusive required keywords For example set opmode nat transparent You can enter set opmode nat or set opmode transparent Square brackets to indicate that a keyword or variable is optional For example show system interface name_str To show the settings for all interfaces you can enter show system interface To show the settings fo...

Страница 21: ...e help from the web based manager as you work FortiGate CLI Reference Guide Describes how to use the FortiGate CLI and contains a reference to all FortiGate CLI commands FortiGate Log Message Reference Guide Describes the structure of FortiGate log messages and provides information about the log messages that are generated by FortiGate units FortiGate High Availability Guide Contains in depth info...

Страница 22: ... a VPN connection from your computer to remote networks scan your computer for viruses and restrict access to your computer and applications by setting up firewall policies FortiClient Host Security online help Provides information and procedures for using and configuring the FortiClient software FortiMail documentation FortiMail Administration Guide Describes how to install configure and manage a...

Страница 23: ...et products and service contracts from http support fortinet com and change your registration information at any time Technical support is available through email from any of the following addresses Choose the email address for your region For information about our priority support hotline live support see http support fortinet com When requesting technical support please provide the following inf...

Страница 24: ...24 01 28007 0068 20041203 Fortinet Inc FortiLog documentation Introduction ...

Страница 25: ...sion log This chapter includes Console access Status Session list Changing the FortiGate firmware Console access An alternative to the web based manager discussed in this manual is text based Console Access using the FortiGate command line interface CLI You can get console access by selecting Console Access button in the upper right corner of the web based manager The management computer must have...

Страница 26: ...s information for all members of the cluster go to System Config HA and select Cluster Members For more information see HA configuration on page 85 FortiGate administrators whose access profiles contain system configuration write privileges can change or update FortiGate unit information For information on access profiles see Access profiles on page 111 Viewing system status Changing unit informat...

Страница 27: ...ck Log Disk Displays hard disk capacity and free space if the FortiGate unit contains a hard disk or Not Available if no hard disk is installed The FortiGate unit uses the hard disk to store log messages and quarantine files infected with a virus or blocked by antivirus file blocking Notification Contains reminders such as Change Password or Product Registration Select the reminder to see the deta...

Страница 28: ...t CPU status The web based manager displays CPU usage for core processes only CPU usage for management processes for example for HTTPS connections to the web based manager is excluded Memory Usage The current memory status The web based manager displays memory usage for core processes only Memory usage for management processes for example for HTTPS connections to the web based manager is excluded ...

Страница 29: ...ually To update the attack definitions manually To change to Transparent mode To change to NAT Route mode CPU Usage History CPU usage for the previous minute Memory Usage History Memory usage for the previous minute Session History Session history for the previous minute Network Utilization History Network utilization for the previous minute Virus History The virus detection history over the last ...

Страница 30: ... to System Status Status 3 In the Antivirus Definitions field of the Unit Information section select Update 4 In the Update File field type the path and filename for the antivirus definitions update file or select Browse and locate the antivirus definitions update file 5 Select OK to copy the antivirus definitions update file to the FortiGate unit The FortiGate unit updates the antivirus definitio...

Страница 31: ...ased manager connect to the interface configured for Transparent mode management access and browse to https followed by the Transparent mode management IP address By default in Transparent mode you can connect to port1 The default Transparent mode management IP address is 10 10 10 1 To change to NAT Route mode After you change the FortiGate unit from the NAT Route mode to Transparent mode most of ...

Страница 32: ...ource port for list filtering To IP Set destination IP address for list filtering To Port Set destination port for list filtering Apply Filter Select to filter session list Virtual Domain Select a virtual domain to list the sessions being processed by that virtual domain Select All to view sessions being processed by all virtual domains Total Number of Sessions Total number of sessions currently b...

Страница 33: ...the CLI Use this procedure to install a new firmware version or revert to a previous firmware version To use this procedure you must connect to the CLI using the FortiGate console port and a null modem cable This procedure reverts the FortiGate unit to its factory default configuration Testing a new firmware image before installing it Use this procedure to test a new firmware image before installi...

Страница 34: ... sure that the TFTP server is running 2 Copy the new firmware image file to the root directory of the TFTP server 3 Log into the CLI 4 Make sure the FortiGate unit can connect to the TFTP server You can use the following command to ping the computer running the TFTP server For example if the IP address of the TFTP server is 192 168 1 168 execute ping 192 168 1 168 5 Enter the following command to ...

Страница 35: ...e following procedures to revert your FortiGate unit to a previous firmware version Reverting to a previous firmware version using the web based manager The following procedures revert the FortiGate unit to its factory default configuration and deletes IPS custom signatures web content lists email filtering lists and changes to replacement messages Before beginning this procedure you can Back up t...

Страница 36: ...ault configuration and deletes IPS custom signatures web content lists email filtering lists and changes to replacement messages Before beginning this procedure you can Back up the FortiGate unit system configuration using the command execute backup config Back up the IPS custom signatures using the command execute backup ipsuserdefsig Back up web content and email filtering lists For information ...

Страница 37: ...re image file name is FGT_300 v280 build158 FORTINET out and the IP address of the TFTP server is 192 168 1 168 enter execute restore image FGT_300 v280 build158 FORTINET out 192 168 1 168 The FortiGate unit responds with the message This operation will replace the current firmware version Do you want to continue y n 6 Type y The FortiGate unit uploads the firmware image file After the file upload...

Страница 38: ...283 Back up web content and email filtering lists For information see Web filter on page 309 and Spam filter on page 323 If you are reverting to a previous FortiOS version for example reverting from FortiOS v2 80 to FortiOS v2 50 you might not be able to restore your previous configuration from the backup configuration file To install firmware from a system reboot 1 Connect to the CLI using the nu...

Страница 39: ...ge FortiGate unit running v3 x BIOS Press any key to display configuration menu Immediately press any key to interrupt the system startup If you successfully interrupt the startup process one of the following messages appears FortiGate unit running v2 x BIOS Enter TFTP Server Address 192 168 1 168 Go to step 9 FortiGate unit running v3 x BIOS G Get firmware image from TFTP server F Format boot dev...

Страница 40: ... image and restarts The installation might take a few minutes to complete Restoring the previous configuration Change the internal interface address if required You can do this from the CLI using the command config system interface edit internal set ip address_ipv4mask set allowaccess ping https ssh telnet http end After changing the interface address you can access the FortiGate unit from the web...

Страница 41: ...n the same subnet as port1 To test a new firmware image 1 Connect to the CLI using a null modem cable and FortiGate console port 2 Make sure the TFTP server is running 3 Copy the new firmware image file to the root directory of the TFTP server 4 Make sure that port1 is connected to the same network as the TFTP server You can use the following command to ping the computer running the TFTP server Fo...

Страница 42: ...e FTP server The IP address must be on the same network as the TFTP server but make sure you do not use the IP address of another device on this network The following message appears Enter File Name image out 11 Enter the firmware image file name and press Enter The TFTP server uploads the firmware image file to the FortiGate unit and messages similar to the following appear FortiGate unit running...

Страница 43: ... sure that the TFTP server is running 3 Copy the new firmware image file to the root directory of your TFTP server 4 To confirm that the FortiGate unit can connect to the TFTP server use the following command to ping the computer running the TFTP server For example if the IP address of the TFTP server is 192 168 1 168 execute ping 192 168 1 168 5 Enter the following command to restart the FortiGat...

Страница 44: ...When the FortiGate unit restarts it is running the previously installed firmware version Switching to the backup firmware image Use this procedure to switch the FortiGate unit to operating with a backup firmware image that you previously installed When you switch the FortiGate unit to the backup firmware image the FortiGate unit operates using the configuration that was saved with that firmware im...

Страница 45: ...o the CLI using the null modem cable and FortiGate console port 2 Enter the following command to restart the FortiGate unit execute reboot As the FortiGate units starts a series of system startup messages are displayed When the following message appears Press any key to enter configuration menu 3 Immediately press any key to interrupt the system startup If you successfully interrupt the startup pr...

Страница 46: ...46 01 28007 0068 20041203 Fortinet Inc Installing and using a backup firmware image System status ...

Страница 47: ... to the FortiGate network configuration Interface Zone Management DNS Routing table Transparent Mode VLAN overview VLANs in NAT Route mode VLANs in Transparent mode FortiGate IPv6 support Interface In NAT Route mode go to System Network Interface to configure FortiGate interfaces and to add and configure VLAN subinterfaces For information about VLANs in NAT Route mode see VLANs in NAT Route mode o...

Страница 48: ...an2 If you have added VLAN subinterfaces they also appear in the name list below the physical interface that they have been added to See VLAN overview on page 63 IP The current IP address of the interface Netmask The netmask of the interface Access The administrative access configuration for the interface See To control administrative access to an interface on page 57 for information about adminis...

Страница 49: ...t for dynamic DNS services To add a secondary IP address To add a ping server to an interface To control administrative access to an interface To change the MTU size of the packets leaving an interface To configure traffic logging for connections to an interface Name The name of the Interface Interface Select the name of the physical interface to add the VLAN subinterface to All VLAN subinterfaces...

Страница 50: ...e you can enter both an IP address and a netmask in the same field you can use the short form of the netmask For example 192 168 1 100 255 255 255 0 can also be entered as 192 168 1 100 24 Distance Enter the administrative distance for the default gateway retrieved from the DHCP server The administrative distance an integer from 1 255 specifies the relative priority of a route when there are multi...

Страница 51: ...e of them Otherwise this IP address can be the same as the IP address of another interface or can be any IP address Initial Disc Timeout Initial discovery timeout The time to wait before retrying to start a PPPoE discovery Set Initial Disc to 0 to disable Initial PADT timeout Initial PPPoE Active Discovery Terminate PADT timeout in seconds Use this timeout to shut down the PPPoE session if it is i...

Страница 52: ...ess options Connect to server Enable Connect to Server so that the interface automatically attempts to connect to a PPPoE server Disable this option if you are configuring the interface offline Status Displays PPPoE status messages as the FortiGate unit connects to the PPPoE server and gets addressing information Select Status to refresh the addressing mode status message initializing No activity ...

Страница 53: ... lower Go to Log Report Log Config to configure logging locations and types For information about logging see Log Report on page 339 Configuring interfaces Use the following procedures to configure FortiGate interfaces and VLAN subinterfaces To bring down an interface that is administratively up To add interfaces to a zone To add an interface to a virtual domain To change the static IP address of ...

Страница 54: ... To add a zone on page 59 You cannot add an interface to a zone if you have added firewall policies for the interface Delete firewall policies for the interface and then add the interface to the zone 1 Go to System Network Zone 2 Choose the zone to add the interface or VLAN subinterface to and select Edit 3 Select the names of the interfaces or VLAN subinterfaces to add to the zone 4 Select OK to ...

Страница 55: ...esses from the DHCP server 5 Select the Connect to Server check box if you want the FortiGate unit to connect to the DHCP server 6 Select Apply The FortiGate unit attempts to contact the DHCP server from the interface to set the IP address netmask and optionally the default gateway IP address and DNS server IP addresses 7 Select Status to refresh the addressing mode status message 8 Select OK To c...

Страница 56: ...g commands config system interface edit intf_str config secondaryip edit 0 set ip second_ip netmask_ip Optionally you can also configure management access and add a ping server to the secondary IP address set allowaccess ping https ssh snmp http telnet set gwdetect enable Save the changes end To configure support for dynamic DNS services 1 Go to System Network Interface 2 Select the interface to t...

Страница 57: ...tion from the Internet Use secure administrative user passwords Change these passwords regularly Enable secure administrative access to this interface using only HTTPS or SSH Do not change the system idle timeout from the default value of 5 minutes see To set the system idle timeout on page 83 To configure administrative access in Transparent mode see To configure the management interface on page ...

Страница 58: ...ual domains to your FortiGate configuration make sure you are configuring the correct virtual domain before adding or editing zones Figure 8 Zone list Zone settings Figure 9 Zone options Create New Select Create New to create a zone Name The names of the zones that you have added Block intra zone traffic Displays Yes if traffic between interfaces in the same zone is blocked and No if traffic betwe...

Страница 59: ...tem Network Zone 3 Select Delete to remove a zone from the list 4 Select OK to delete the zone To edit a zone 1 If you have added a virtual domain go to System Virtual Domain Current Virtual Domain and select the virtual domain in which to edit the zone 2 Go to System Network Zone 3 Select Edit to modify a zone 4 Select or deselect Block intra zone traffic 5 Select the names of the interfaces or V...

Страница 60: ...administrative access to this interface using only HTTPS or SSH Do not change the system idle timeout from the default value of 5 minutes see To set the system idle timeout on page 83 Figure 10 Management To configure the management interface 1 Go to System Network Management 2 Enter the Management IP Netmask 3 Enter the Default Gateway 4 Select the Management Virtual Domain 5 Select Apply The For...

Страница 61: ...rk can use the interface IP address as their DNS server DNS requests sent to the interface are forwarded to the DNS server addresses you configured or that the FortiGate unit obtained automatically Figure 11 DNS To add DNS server IP addresses 1 Go to System Network DNS 2 Change the primary and secondary DNS server IP addresses as required 3 Select Apply to save the changes Obtain DNS server addres...

Страница 62: ...mber IP The destination IP address for this route Mask The netmask for this route Gateway The IP address of the next hop router to which this route directs traffic Distance The the relative preferability of this route 1 is most preferred Delete icon Select to remove a route View edit icon Select to view or edit a route Move To icon Select to change the order of a route in the list Destination IP M...

Страница 63: ...LAN A VLAN segregates devices logically instead of physically Each VLAN is treated as a broadcast domain Devices in VLAN 1 can connect with other devices in VLAN 1 but cannot connect with devices in other VLANs The communication among devices on a VLAN is independent of the physical network A VLAN segregates devices by adding 802 1Q VLAN tags to all of the packets sent and received by the devices ...

Страница 64: ...ing VLAN trunks between an IEEE 802 1Q compliant switch or router and the FortiGate unit Normally the FortiGate unit internal interface connects to a VLAN trunk on an internal switch and the external interface connects to an upstream Internet router untagged The FortiGate unit can then apply different policies for traffic on each VLAN that connects to the internal interface In this configuration y...

Страница 65: ...AN ID can be any number between 1 and 4096 Each VLAN subinterface must also be configured with its own IP address and netmask You add VLAN subinterfaces to the physical interface that receives VLAN tagged packets To add a VLAN subinterface in NAT Route mode 1 Go to System Network Interface 2 Select Create New to add a VLAN subinterface 3 Enter a Name to identify the VLAN subinterface 4 Select the ...

Страница 66: ...LAN packets See Address on page 198 3 Go to Firewall Policy 4 Add firewall policies as required VLANs in Transparent mode In Transparent mode the FortiGate unit can apply firewall policies and services such as authentication protection profiles and other firewall features to traffic on an IEEE 802 1 VLAN trunk You can insert the FortiGate unit operating in Transparent mode into the trunk without m...

Страница 67: ...ion interface to the packet based on its destination MAC address The firewall policies for this source and destination VLAN subinterface pair are applied to the packet If the packet is accepted by the firewall the FortiGate unit forwards the packet to the destination VLAN subinterface The destination VLAN ID is added to the packet by the FortiGate unit and the packet is sent to the VLAN trunk Figu...

Страница 68: ...s Transparent mode virtual domains and VLANs VLAN subinterfaces are added to and associated with virtual domains By default the FortiGate configuration includes one virtual domain named root and you can add as many VLAN subinterfaces as you require to this virtual domain You can add more virtual domains if you want to separate groups of VLAN subinterfaces into virtual domains For information on ad...

Страница 69: ...rface Virtual Domain Select a virtual domain to display the VLAN interfaces added to this virtual domain Name The name of the interface or VLAN subinterface Access The administrative access configuration for the interface See To control administrative access to an interface on page 57 for information about administrative access options Status The administrative status for the interface If the admi...

Страница 70: ...ble using a Dynamic DNS service DDNS If the FortiGate unit uses a dynamic IP address you can arrange with a DDNS service provider to use a domain name to provide redirection of traffic to your network whenever the IP address changes 8 Configure the administrative access MTU and log settings as you would for any FortiGate interface See Interface settings on page 48 for more descriptions of these se...

Страница 71: ...rt static routing periodic router advertisements and tunneling of IPv6 addressed traffic over an IPv4 addressed network All of these features must be configured through the Command Line Interface CLI See the FortiGate CLI Reference Guide for information on the following commands Table 2 IPv6 CLI commands Feature CLI Command Interface configuration including periodic router advertisements config sy...

Страница 72: ...72 01 28007 0068 20041203 Fortinet Inc Transparent mode VLAN settings System network ...

Страница 73: ...P MAC binding Dynamic IP Service Go to System DHCP Service to configure the DHCP service provided by each FortiGate interface You can configure each interface to be a DHCP relay or a DHCP server or you can turn off DHCP services Figure 20 DHCP service list Note To configure DHCP server or DHCP relay functionality on an interface the FortiGate unit must be in NAT Route mode and the interface must h...

Страница 74: ...ervice 2 Select Edit for the interface that you want to be a DHCP relay agent 3 Select DHCP Relay Agent 4 Set type to Regular 5 Enter the DHCP Server IP address 6 Select OK Interface The name of the interface None No DHCP services provided by the interface DHCP Relay Agent Select to configure the interface to be a DHCP relay agent Type Select the type of DHCP relay agent Regular Configure the inte...

Страница 75: ...rface See To configure a DHCP server for an interface on page 76 Server You can configure one or more DHCP servers for any FortiGate interface As a DHCP server the interface dynamically assigns IP addresses to hosts on a network connected to the interface You can add more than one DHCP server to a single interface to be able to provide DHCP services to multiple networks For more information see To...

Страница 76: ...P and ending IP for the range of IP addresses that this DHCP server assigns to DHCP clients Network Mask Enter the netmask that the DHCP server assigns to DHCP clients Lease Time Select Unlimited for an unlimited lease time or enter the interval in days hours and minutes after which a DHCP client must ask the DHCP server for new settings The lease time can range from 5 minutes to 100 days DNS Serv...

Страница 77: ... connected subnets sends a DHCP request it is relayed to the FortiGate interface by the router using DHCP relay The FortiGate unit selects the DHCP server configuration with an IP range that matches the subnet address from which the DHCP request was received and uses this DHCP server to assign an IP configuration to the computer that made the DHCP request The DHCP configuration packets are sent ba...

Страница 78: ...ress of the device When you add the MAC address and an IP address to the IP MAC binding list the DHCP server always assigns this IP address to the MAC address IP MAC binding pairs apply to all FortiGate DHCP servers Figure 26 IP MAC binding list Starting IP Enter the starting IP of an exclude range Ending IP Enter the ending IP of an exclude range Create New Select Create New to add a DHCP IP MAC ...

Страница 79: ...ng MAC addresses and the expiry time and date for these addresses To view the dynamic IP list 1 Go to System DHCP Dynamic IP 2 Select the interface for which you want to view the list Name Enter a name for the IP MAC address pair IP Address Enter the IP address for the IP and MAC address pair The IP address must be within the configured IP range MAC Address Enter the MAC address of the device Inte...

Страница 80: ...80 01 28007 0068 20041203 Fortinet Inc DHCP IP MAC binding settings System DHCP ...

Страница 81: ...o set the FortiGate system time For effective scheduling and logging the FortiGate system time must be accurate You can either manually set the FortiGate system time or you can configure the FortiGate unit to automatically keep its system time correct by synchronizing with a Network Time Protocol NTP server Figure 28 System time System Time The current FortiGate system date and time Refresh Select...

Страница 82: ...s Timeout settings including the idle timeout and authentication timeout The language displayed by the web based manager Dead gateway detection interval and failover detection Automatically adjust clock for daylight saving changes Select the Automatically adjust clock for daylight saving changes check box if you want the FortiGate system clock to be adjusted automatically when your time zone chang...

Страница 83: ...8 hours To improve security keep the idle timeout at the default value of 5 minutes Auth Timeout Set the firewall user authentication timeout to control how long an authenticated connection can be idle before the user must authenticate again The maximum authtimeout is 480 minutes 8 hours The default Auth Timeout is 15 minutes For more information see Setting authentication timeout on page 234 Lang...

Страница 84: ...ion synchronize the cluster routing table and report individual cluster member status The units in the cluster are constantly communicating HA status information to make sure that the cluster is operating properly This communication is called the HA heartbeat FortiGate HA supports link failover device failover and HA heartbeat failover FortiGate units can be configured to operate in active passive...

Страница 85: ...rtiGate units in the HA cluster By default the FortiGate unit load balances virus scanning among all of the FortiGate units in the cluster Using the CLI you can configure the FortiGate unit to load balance all network traffic among the FortiGate units in the cluster See the FortiGate CLI Reference Guide for more information For more information about FortiGate HA and the FGCP see the FortiGate Hig...

Страница 86: ... If two clusters on the same network have the same group ID the duplicate MAC addresses cause addressing conflicts on the network Unit Priority Optionally set the unit priority of the cluster unit Each cluster unit can have a different unit priority the unit priority is not synchronized among cluster members During HA negotiation the unit with the highest unit priority becomes the primary cluster ...

Страница 87: ...becomes the primary cluster unit In a typical FortiGate cluster configuration the primary unit is selected automatically In some situations you might want to control which unit becomes the primary unit You can configure a FortiGate unit as the permanent primary unit by setting a high unit priority and by selecting override master With this configuration the same cluster unit always becomes the pri...

Страница 88: ...nterfaces are connected to load balancing switches Hub Load balancing if the cluster interfaces are connected to a hub Traffic is distributed to cluster units based on the Source IP and Destination IP of the packet Least Connection Least connection load balancing If the cluster units are connected using switches select Least Connection to distribute network traffic to the cluster unit currently pr...

Страница 89: ...r them to be able to process heartbeat packets In HA mode the cluster assigns virtual IP addresses to the heartbeat device interfaces The primary cluster unit heartbeat device interface is assigned the IP address 10 0 0 1 and the subordinate unit is assigned the IP address 10 0 0 2 A third cluster unit would be assigned the IP address 10 0 0 3 and so on For best results isolate each heartbeat devi...

Страница 90: ...ther units in the cluster becomes the new primary unit to provide better service to the high priority network If a low priority interface fails on one cluster unit and a high priority interface fails on another cluster unit a unit in the cluster with a working connection to the high priority interface would if it becomes necessary to negotiate a new primary unit be selected instead of a unit with ...

Страница 91: ...lish an HA cluster When you select apply you may temporarily lose connectivity with the FortiGate unit as the HA cluster negotiates 13 If you are configuring a NAT Route mode cluster power off the FortiGate unit and then repeat this procedure for all the FortiGate units in the cluster Once all of the units are configured continue with To connect a FortiGate HA cluster on page 92 14 If you are conf...

Страница 92: ...serting an HA cluster into your network temporarily interrupts communications on the network because new physical connections are being made to route traffic through the cluster Also starting the cluster interrupts network traffic until the individual FortiGate units in the cluster are functioning and the cluster completes negotiation Cluster negotiation normally takes just a few seconds During sy...

Страница 93: ... as the other units in the cluster 2 If the cluster is running in Transparent mode change the operating mode of the new FortiGate unit to Transparent mode 3 Connect the new FortiGate unit to the cluster 4 Power on the new FortiGate unit When the unit starts it negotiates to join the cluster After it joins the cluster the cluster synchronizes the new unit configuration with the configuration of the...

Страница 94: ...t subordinate unit priority 1 weight 3 The next three connections are processed by the second subordinate unit priority 2 weight 3 The subordinate units process more connections than the primary unit and both subordinate units on average process the same number of connections Managing an HA cluster The configurations of all of the FortiGate units in the cluster are synchronized so that the FortiGa...

Страница 95: ...Connect to the cluster and log into the web based manager 2 Go to System Config HA 3 Select Cluster Members A list of cluster members appears The list includes the cluster ID of each cluster member as well as status information for each cluster member Figure 32 Example cluster members list active active cluster Refresh every Select to control how often the web based manager updates the system stat...

Страница 96: ...cluster contains fewer FortiGate units The failed primary unit no longer appears on the Cluster Members list The host name and serial number of the primary cluster unit changes The new primary unit logs the following messages to the event log HA slave became master Detected HA member dead CPU Usage The current CPU status of each cluster unit The web based manager displays CPU usage for core proces...

Страница 97: ...ts in the cluster Each cluster unit is numbered starting at 1 The information displayed for each cluster unit includes the unit serial number and the host name of the unit 3 Complete the command with the number of the subordinate unit to log into For example to log into subordinate unit 1 enter the following command execute ha manage 1 Press Enter to connect to and log into the CLI of the selected...

Страница 98: ...it The system location description can be up to 35 characters long Contact Enter the contact information for the person responsible for this FortiGate unit The contact information can be up to 35 characters long Apply Save changes made to the description location and contact information Create New Select Create New to add a new SNMP community Communities The list of SNMP communities added to the F...

Страница 99: ... up to three SNMP communities Each community can have a different configuration for SNMP queries and traps Each community can be configured to monitor the FortiGate unit for a different set of events You can also add the IP addresses of up to 8 SNMP managers to each community Figure 34 SNMP community options part 1 Figure 35 SNMP community options part 2 Community Name Enter a name to identify the...

Страница 100: ...y 5 Add one or more SNMP communities IP Address The IP address of an SNMP manager than can use the settings in this SNMP community to monitor the FortiGate unit You can also set the IP address to 0 0 0 0 to so that any SNMP manager can use this SNMP community Interface Optionally select the name of the interface that this SNMP manager uses to connect to the FortiGate unit You only have to select t...

Страница 101: ...already compiled into your SNMP manager you do not have to compile them again Table 6 FortiGate MIBs MIB file name or RFC Description fortinet 2 80 mib The Fortinet MIB is a proprietary MIB that includes detailed FortiGate system configuration information Add this MIB to your SNMP manager to monitor all FortiGate configuration settings For more information about FortiGate MIB fields see FortiGate ...

Страница 102: ... The trap message includes the name of the interface and the serial number of the FortiGate unit HA state HA state changes The trap message includes the previous state the new state and a flag indicating whether the unit is the master HA switch The primary unit in an HA cluster fails and is replaced with a new primary unit Memory low SysMemLow Memory usage exceeds 90 The interface_name Interface I...

Страница 103: ...ack IdsSynFlood NIDS attack prevention detects and provides protection from a syn flood attack Port scan attack IdsPortScan NIDS attack prevention detects and provides protection from a port scan attack Table 11 FortiGate antivirus traps Trap message Description Virus detected AvVirus The FortiGate unit detects a virus and removes the infected file from an HTTP or FTP download or from an email mes...

Страница 104: ...stering priority of the individual FortiGate unit in a cluster override The master override setting enable or disable for an individual FortiGate unit in a cluster autoSync Auto config synchronization flag schedule Load balancing schedule for A A mode stats Statistics for all of the units in the HA cluster index The index number of the FortiGate unit serial The FortiGate unit serial number cpuUsag...

Страница 105: ...local user Can be password LDAP or RADIUS state Whether the local user is enabled or disable Table 18 Virtual domains MIB field Description index The index number virtual domain added to the FortiGate unit name The name of the virtual domain added to the FortiGate unit Each FortiGate unit includes at least one virtual domain named root auth The authentication type of for the local user Can be pass...

Страница 106: ...st Figure 36 Replacement messages list To change a replacement message 1 Go to System Config Replacement Messages 2 Select the category of replacement message to edit by clicking on the blue triangle for that category 3 For the replacement message that you want to change select Edit 4 Edit the content of the message Name The type of replacement message You can change messages added to email web pa...

Страница 107: ...ld be a file that contained a virus or was blocked by antivirus file blocking QUARFILENAME can be used in virus and file block messages Quarantining is only available on FortiGate units with a local disk URL The URL of a web page This can be a web page that is blocked by web filter content or URL blocking URL can also be used in http virus and file block messages to be the URL of the web page from...

Страница 108: ...ch the file was removed EMAIL_TO The email address of the intended receiver of the message from which the file was removed NIDSEVENT The IPS attack message NIDSEVENT is added to alert email intrusion messages SERVICE The name of the web filtering service CATEGORY The name of the content category of the web site FORTINET The Fortinet logo Table 20 Replacement message tags Continued Tag Description ...

Страница 109: ...ow read only write only or both read and write access to the following FortiGate features This chapter describes Administrators Access profiles Administrators Use the admin account or an account with system configuration read and write privileges to add new administrator accounts and control their permission levels System Configuration Can access the system status interface virtual domain HA routi...

Страница 110: ...ange Password icon The admin administrator account cannot be deleted Administrator Enter the login name for the administrator account Password Type a password for the administrator account For improved security the password should be at least 6 characters long Confirm Password Type the password for the administrator account a second time to confirm that you have typed it correctly Trusted Host 1 T...

Страница 111: ...trator must connect only through the subnet or subnets you specify You can even restrict an administrator to a single IP address if you define only one trusted host IP address with a netmask of 255 255 255 255 When you set trusted hosts for all administrators the FortiGate unit does not respond to administrative access attempts from any other hosts This provides the highest security If you leave e...

Страница 112: ...s under Access Control Allow Write All Select Allow Write All to give an administrator write privilege on all the items under Access Control System Configuration Allow or deny access to the system status interface virtual domain HA routing option SNMP time and replacement message features Log Report Allow or deny access to the log setting log access and alert email features Security Policy Allow o...

Страница 113: ... 20041203 113 To configure an access profile 1 Go to System Admin Access Profile 2 Select Create New to add an access profile or select the edit icon to edit an existing access profile 3 Enter a name for the access profile 4 Select or clear the Access Control check boxes as required 5 Select OK ...

Страница 114: ...114 01 28007 0068 20041203 Fortinet Inc Access profile options System administration ...

Страница 115: ...d spam filtering files to the management computer You can also restore system configuration VPN certificate web and spam filtering files from previously downloaded backup files Figure 44 Backup and restore list Category The list of files that can be backed up and restored Latest Backup The date and time of the last backup The Restore Upload Backup and Reset to factory default icons All Configurati...

Страница 116: ...the system to its original configuration including resetting interface addresses This procedure does not change the firmware version or the antivirus or attack definitions Debug Log Download debug log Web Filtering Web Content Block Restore or back up the Web Content Block list Web URL Block List Restore or back up the Web URL Block list Web URL Exempt List Restore or back up the Web URL Exempt li...

Страница 117: ...ile or select Browse and locate the file 4 Select OK If you restore the system configuration the FortiGate unit restarts loading the new system settings You should then reconnect to the web based manager and review your configuration to confirm that the uploaded system settings have taken effect 5 Select Return This step does not apply if you restore the system configuration To back up VPN certifi...

Страница 118: ...DP port 9443 To receive push updates the FDN must be able to route packets to the FortiGate unit using UDP port 9443 For information about configuring push updates see To enable push updates on page 123 The FDN is a world wide network of FortiProtect Distribution Servers FDSs When the FortiGate unit connects to the FDN it connects to the nearest FDS To do this all FortiGate units are programmed wi...

Страница 119: ...e not registered the FortiGate unit see To register a FortiGate unit on page 128 if there is a NAT device installed between the FortiGate unit and the FDN see Enabling push updates through a NAT device on page 124 or if your FortiGate unit connects to the Internet using a proxy server see To enable scheduled updates through a proxy server on page 122 Refresh When you select Refresh the FortiGate u...

Страница 120: ...ccessful and new updates were installed Other messages can indicate that the FortiGate was not able to connect to the FDN and other error conditions Allow Push Update Select this check box to allow automatic updates of the FortiGate unit Use override push IP Select this check box and enter the override IP address and port number Override push IP addresses and ports are used when there is a NAT dev...

Страница 121: ...the following to check for and download updates 4 Select Apply The FortiGate unit starts the next scheduled update according to the new update schedule Whenever the FortiGate unit runs a scheduled update the event is recorded in the FortiGate event log To add an override server If you cannot connect to the FDN or if your organization provides antivirus and attack updates using their own FortiProte...

Страница 122: ...is config system autoupdate tunneling set address proxy address_ip set port proxy port set username username_str set password password_str set status enable end For example if the IP address of the proxy server is 67 35 50 34 its port is 8080 the user name is proxy_user and the password is proxy_pwd enter the following command config system autoupdate tunneling set address 67 35 50 34 set port 808...

Страница 123: ...s the only method for obtaining updates The FortiGate unit might not receive the push notification Also when the FortiGate unit receives a push notification it makes only one attempt to connect to the FDN and download updates To enable push updates 1 Go to System Maintenance Update center 2 Select Allow Push Update 3 Select Apply Push updates when FortiGate IP addresses change The SETUP message th...

Страница 124: ...re the FortiGate NAT device and the FortiGate unit on the internal network so that the FortiGate unit on the internal network can receive push updates 1 Add a port forwarding virtual IP to the FortiGate NAT device 2 Add a firewall policy to the FortiGate NAT device that includes the port forwarding virtual IP 3 Configure the FortiGate unit on the internal network with an override push IP and port ...

Страница 125: ... box 3 Select the Use override push check box 4 Set IP to the external IP address added to the virtual IP 5 Set Port to the external service port added to the virtual IP 6 Select Apply The FortiGate unit sends the override push IP address and port to the FDN The FDN now uses this IP address and port for push updates to the FortiGate unit on the internal network If the external IP address or extern...

Страница 126: ...on to register the FortiGate unit with FortiNet Contact Information Enter the contact information so that FortiNet support can reply to your bug report Items marked with an are required Bug Description Enter a description of the problem you have encountered with the FortiGate unit Send diagnostic information Send diagnostic information about the FortiGate unit including its current configuration t...

Страница 127: ...you or your organization purchased You can register multiple FortiGate units in a single session without re entering your contact information Once registration is completed Fortinet sends a Support Login user name and password to your email address You can use this user name and password to log on to the Fortinet support web site to View your list of registered FortiGate units Register additional ...

Страница 128: ...unit and add the FortiCare Support Contract number to the registration information You can also register the FortiGate unit without purchasing a FortiCare Support Contract In that case when you purchase a FortiCare Support Contract you can update the registration information to add the support contract number A single FortiCare Support Contract can cover multiple FortiGate units You must enter the...

Страница 129: ... you can return to the previous page to enter the number If you do not have a FortiCare Support Contract you can select Continue to complete the registration If you have entered a support contract number a real time validation is performed to verify that the SCN information matches the FortiGate unit If the information does not match you can try entering it again A web page is displayed that conta...

Страница 130: ...g procedure to reset system settings to the values set at the factory This procedure does not change the firmware version or the antivirus or attack definitions 1 Go to System Maintenance Shutdown 2 Select Reset to factory default 3 Select Apply The FortiGate unit restarts with the configuration that it had when it was first powered on 4 Reconnect to the web based manager and review the system con...

Страница 131: ...nnections between VLAN subinterfaces or zones in the virtual domain Packets never cross the virtual domain border The remainder of FortiGate functionality is shared between virtual domains This means that there is one IPS configuration one antivirus configuration one web filter configuration one protection profile configuration and so on shared by all virtual domains As well virtual domains share ...

Страница 132: ...ettings Physical interfaces see To add physical interfaces to a virtual domain on page 136 VLAN subinterfaces see To add VLAN subinterfaces to a virtual domain on page 137 Zones see To add zones to a virtual domain on page 137 Management IP Transparent mode see To select a management virtual domain and add a management IP on page 136 Routing configuration Router configuration in NAT Route mode see...

Страница 133: ...tivirus Definitions and engine Attack Definitions and engine Serial Number Operation Mode Network configuration DNS settings DHCP configuration DHCP settings are applied per interface no matter which virtual domain the interface has been added to System Config Time Options HA SNMP v1 v2c Replacement messages FortiManager configuration System Admin Administrators Access profiles System Maintenance ...

Страница 134: ...t virtual domain if you want these systems to communicate with network resources that can connect to a different virtual domain Virtual domains Go to System Virtual domain Virtual domains to view and add virtual domains Figure 49 Virtual domain list Create New Add a new virtual domain Current The name of the current virtual domain Select Change to choose a different domain The default virtual doma...

Страница 135: ...domain Name The virtual domain must not have the same name as a VLAN or zone 4 Select OK Selecting a virtual domain The following procedure applies to NAT Route and Transparent mode To select a virtual domain to configure 1 Go to System Virtual domain Virtual domains 2 Select Change following the current virtual domain name above the table 3 Choose the virtual domain to configure 4 Select OK The f...

Страница 136: ...o configure virtual domains Adding interfaces VLAN subinterfaces and zones to a virtual domain Configuring routing for a virtual domain Configuring firewall policies for a virtual domain Configuring IPSec VPN for a virtual domain Adding interfaces VLAN subinterfaces and zones to a virtual domain To add physical interfaces to a virtual domain A virtual domain must contain at least two interfaces Th...

Страница 137: ...w to move a VLAN subinterface from one virtual domain to another You cannot remove a VLAN subinterface from a virtual domain if firewall policies have been added for it Delete the firewall policies or remove the VLAN subinterface from the firewall policies first If the VLAN subinterface has been added to a zone it is removed from the zone when you move it to a different virtual domain 1 Go to Syst...

Страница 138: ...ent virtual domain To configure the routing table for a virtual domain in Transparent mode 1 Go to System Virtual domain Virtual domains 2 Select Change following the current virtual domain name above the table 3 Choose the virtual domain for which to configure routing 4 Select OK 5 Go to System Network Routing Table 6 Configure the routing table for the current virtual domain as required See Rout...

Страница 139: ...above the table 3 Choose the virtual domain for which to configure firewall addresses 4 Select OK 5 Go to Firewall Address 6 Add new firewall addresses address ranges and address groups to the current virtual domain See Address on page 198 To add IP pools to a virtual domain The following procedure applies to NAT Route mode 1 Go to System Virtual domain Virtual domains 2 Select Change following th...

Страница 140: ...for a virtual domain The following procedure applies to NAT Route and Transparent mode 1 Go to System Virtual domain Virtual domains 2 Select Change following the current virtual domain name above the table 3 Choose the virtual domain for which to configure VPN 4 Select OK 5 Go to VPN 6 Configure IPSec VPN PPTP L2TP and certificates as required See VPN on page 245 ...

Страница 141: ...ted You can decrease the distance value of a static route to indicate that the route is preferable compared to another static route that specifies a different gateway to the same destination network Routes having lower administrative distances are preferable and are selected first when two or more routes to the same destination network are available The FortiGate unit routes packets using a best m...

Страница 142: ...10 1 Device Name of the interface connected to network 192 168 10 0 24 e g external Distance 10 The Gateway setting specifies the IP address of the next hop router interface to the FortiGate external interface The interface behind the router 192 168 10 1 is the default gateway for FortiGate_1 In some cases there may be routers behind the FortiGate unit If the destination IP address of a packet is ...

Страница 143: ...ngs Destination IP mask 192 168 30 0 24 Gateway 192 168 10 2 Device dmz Distance 10 To route packets from Network_2 to Network_1 Router_2 must be configured to use the FortiGate dmz interface as its default gateway On the FortiGate unit you would create a new static route with these settings Destination IP mask 192 168 20 0 24 Gateway 192 168 10 1 Device internal Distance 10 Static route list Figu...

Страница 144: ...The sequence number for this route IP The destination IP address for this route Mask The netmask for this route Gateway The IP address of the first next hop router to which this route directs traffic Device The name of the FortiGate interface through which to route traffic Distance The administrative distance for the route The Delete Edit and Move to icons Destination IP Mask Enter the destination...

Страница 145: ...routing list and attempts to match the packet with a policy The policy route supplies the next hop gateway as well as the FortiGate interface to be used by the traffic If no policy route matches the packet the FortiGate unit routes the packet using the regular routing table Policy route list Figure 55 Policy routes Create New Add a new policy route The sequence number for this policy route Incomin...

Страница 146: ...Protocol RIP supports both RIP version 1 as defined by RFC 1058 and RIP version 2 as defined by RFC 2453 RIP version 2 enables RIP messages to carry more information and to support simple authentication and subnet masks Protocol Match packets that have this protocol number Incoming Interface Match packets that are received on this interface Source Address Mask Match packets that have this source I...

Страница 147: ...ess servers in the network should have the same RIP timer settings Update The time interval in seconds between RIP updates Garbage The time in seconds that must elapse after the timeout interval for a route expires before RIP deletes the route If RIP receives an update for the route after the timeout timer expires but before the garbage timer expires then the entry is switched back to reachable Ti...

Страница 148: ...o be used for the redistributed routes 4 Select a Route map name 5 Select Apply Networks list Identify the networks for which to send and receive RIP updates If a network is not specified interfaces in that network will not be advertised in RIP updates Figure 58 RIP Networks list Route map Enter the name of the route map to use for the redistributed connected routes For information on how to confi...

Страница 149: ... version 2 authentication RIP version send and receive for the specified interface and configure and enable split horizon Authentication is only available for RIP version 2 packets sent and received by an interface Set authentication to None if Send Version or Receive Version are set to 1 or 1 2 Figure 60 RIP interface list Create New Add a new RIP interface Interface The FortiGate interface name ...

Страница 150: ...Setting the Receive Version here overrides the default RIP version for this interface Split Horizon Configure RIP to use either regular or poisoned reverse split horizon on this interface Select Regular to prevent RIP from sending updates for a route back out the interface from which it received that route Select Poisoned reverse to send updates with routes learned on an interface back out the sam...

Страница 151: ... prefix list If you do not specify an interface the filter will be applied to all interfaces in the current virtual domain You must configure the access list or prefix list that you want the distribute list to use before you configure the distribute list For more information on configuring access lists and prefix lists see Access list on page 154 and Prefix list on page 155 Figure 62 RIP Distribut...

Страница 152: ...a new distribute list Direction The direction for the filter Filter The type of filter and the filter name Interface The interface to use this filter on If no interface name is displayed this distribute list is used for all interfaces Enable The status of this distribute list The Delete and Edit icons Direction Set the direction for the filter Select In to filter incoming packets Select Out to fil...

Страница 153: ...ent virtual domain go to System Virtual Domain Virtual Domains and select the virtual domain Create New Add a new offset list Direction The direction for the offset list Access list The access list to use for this offset list Offset The offset number to add to the metric for this offset list Interface The interface to match for this offset list Enable The status of this offset list The Delete and ...

Страница 154: ... exactly or to match the prefix and any more specific prefix The FortiGate unit attempts to match a packet against the rules in an access list starting at the top of the list If it finds a match for the prefix it takes the action specified for that prefix If no match is found the default action is deny For an access list to take effect it must be called by another FortiGate routing feature such as...

Страница 155: ...lected Match a network address enter the IP address and netmask that define the prefix for this access list entry 6 Select Exact match if required 7 Select OK Prefix list A prefix list is an enhanced version of an access list that allows you to control the length of the prefix netmask Each rule in a prefix list consists of a prefix IP address and netmask the action to take for this prefix permit o...

Страница 156: ...ture such as RIP or OSPF Figure 69 Prefix list New Prefix list Figure 70 Prefix list name configuration To add a prefix list name 1 Go to Router Router Objects Prefix List 2 Select Create New 3 Enter a name for the prefix list 4 Select OK Create New Add a new prefix list name An access list and a prefix list cannot have the same name Name The prefix list name Action The action to take for the pref...

Страница 157: ...er 8 Select OK Route map list Route maps are a specialized form of filter Route maps are similar to access lists but have enhanced matching criteria and in addition to permit or deny actions can be configured to make changes as defined by set statements list Entry The prefix list name and the number of this entry Action Set the action to take for this prefix to Permit or Deny Prefix Select Match a...

Страница 158: ...tiple match statements are defined in a rule all the match statements must match before the set statements can be used For a route map to take effect it must be called by another FortiGate routing feature such as RIP Figure 72 Route map list New Route map Figure 73 Route map name configuration To add a route map name 1 Go to Router Router Objects Route map 2 Select Create New 3 Enter a name for th...

Страница 159: ...Deny to deny routes that match this entry Match The criteria to match Interface Match a route with the selected destination interface Address Match a route if the destination address is included in the selected access list or prefix list Next hop Match a route that has a next hop router address included in the selected access list or prefix list Metric Match a route with the specified metric The m...

Страница 160: ...ates from one key to the next according to the scheduled send and receive lifetimes The sending and receiving routers should have their system dates and times synchronized but overlapping the key lifetimes ensures that a key is always available even if there is some difference in the system times See System time on page 81 for information on setting the FortiGate system date and time Figure 75 Key...

Страница 161: ...t the required hour minute second year month and day to start using this key for received routing updates Key chain entry The key chain name and the ID number for this key chain entry Key The key password can be up to 35 characters long Accept Lifetime Set the time period during which the key can be received Send Lifetime Set the time period during which the key can be sent Start For both accept a...

Страница 162: ...ortiGate routing table Routing monitor list Figure 78 Routing monitor To filter the routing monitor display 1 Go to Router Monitor Routing Monitor 2 Select a type of route to display or select all to display routes of all types For example select Connected to display all the directly connected routes or select RIP to display all the routes learned from RIP Type FIlter the display to show routes of...

Страница 163: ...erface get router info protocols Show the current state of active routing protocols Command syntax get router info protocols Note You can configure Type Network and Gateway filters individually or in any combination router info ospf command keywords and variables Keywords and variables Description Availability border routers Show OSPF routing table entries that have an Area Border Router ABR or Au...

Страница 164: ...outer connected to more than one area is an area border router ABR Routing information is contained in a link state database Routing information is communicated between routers using link state advertisements LSAs More information on OSPF can be found in RFC 2328 Command syntax pattern config router ospf set keyword variable end config router ospf unset keyword end get router ospf show router ospf...

Страница 165: ... before entering the overflow state The lsas_integer must be the same on all routers attached to the OSPF area and the OSPF backbone The valid range for lsas_integer is 0 to 4294967294 10000 All models database overflow time to recover seconds_integer Enter the time in seconds after which the FortiGate unit will attempt to leave the overflow state If seconds_integer is set to 0 the FortiGate unit ...

Страница 166: ...ly supports RFC 1583 When RFC 1583 compatibility is enabled routers choose the path with the lowest cost Otherwise routers choose the lowest cost intra area path through a non backbone area disable All models router id address_ipv4 Set the router ID The router ID is a unique number in IP address dotted decimal format that is used to identify an OSPF router to other OSPF routers The router ID shoul...

Страница 167: ...must be a backbone area that all areas can connect to You can use a virtual link to connect areas that do not have a physical connection to the backbone Routers within an OSPF area maintain link state databases for their own areas config area command syntax pattern config area edit id_ipv4 set keyword variable end config area edit id_ipv4 unset keyword variable end config area delete id_ipv4 end c...

Страница 168: ...on for interfaces the authentication configured for the area is not used Authentication passwords or keys are defined per interface See config ospf interface on page 180 none All models default cost cost_integer Enter the metric to use for the summary default route in a stub area or not so stubby area NSSA A lower default cost indicates a more preferred route The valid range for cost_integer is 1 ...

Страница 169: ...SSA You can set the translator role to always to ensure this FortiGate unit always acts as a translator if it is in a NSSA even if other routers in the NSSA are also acting as translators You can set the translator role to candidate to have this FortiGate unit participate in the process for electing a translator for a NSSA You can set the translator role to never to ensure this FortiGate unit neve...

Страница 170: ...fix list on page 155 config filter list command syntax pattern config filter list edit id_integer set keyword variable end config filter list edit id_integer unset keyword end config filter list delete id_integer end config filter list edit id_integer get end config filter list edit id_integer show end Note Both keywords are required filter list command keywords and variables Keywords and variable...

Страница 171: ...ple shows how to display the configuration for area 15 1 1 1 config router ospf config area edit 15 1 1 1 show end config range Access the config range subcommand using the config area command Use the area range command to summarize routes at an area boundary If the network numbers in an area are contiguous the ABR advertises a summary route that includes all the networks within the area that are ...

Страница 172: ... how to display the configuration for area 15 1 1 1 Note Only the prefix keyword is required All other keywords are optional range command keywords and variables Keywords and variables Description Default Availability advertise disable enable Enable or disable advertising the specified range enable All models prefix address_ipv4mask Specify the range of addresses to summarize No default All models...

Страница 173: ...l link allows traffic from the area to transit a directly connected area to reach the backbone The transit area cannot be a stub area Virtual links can only be set up between two area border routers ABRs config virtual link command syntax pattern config virtual link edit name_str set keyword variable end config virtual link edit name_str unset keyword end config virtual link delete name_str end co...

Страница 174: ...xt authentication The authentication key must be the same on both ends of the virtual link The maximum length for the authentication key is 15 characters No default All models authentication must be set to text dead interval seconds_integer The time in seconds to wait for a hello packet before declaring a router down The value of the dead interval should be four times the value of the hello interv...

Страница 175: ...nfig router ospf command retransmit interval seconds_integer The time in seconds to wait before sending a LSA retransmission The value for the retransmit interval must be greater than the expected round trip delay for a packet The valid range for seconds_integer is 1 to 65535 5 All models transmit delay seconds_integer The estimated time in seconds required to send a link state update packet on th...

Страница 176: ...g distribute list edit id_integer unset keyword end config distribute list delete id_integer end config distribute list edit id_integer get end config distribute list edit id_integer show end Example This example shows how to configure a distribute list numbered 2 to use an access list named acc_list1 for all static routes Note Both keywords are required distribute list command keywords and variab...

Страница 177: ...for distribute list 2 config router ospf config distribute list edit 2 show end config neighbor Access the config neighbor subcommand using the config router ospf command Use this command to manually configure an OSPF neighbor on nonbroadcast networks OSPF packets are unicast to the specified neighbor address You can configure multiple neighbors config neighbor command syntax pattern config neighb...

Страница 178: ... other keywords are optional neighbor command keywords and variables Keywords and variables Description Default Availability cost cost_integer Enter the cost to use for this neighbor The valid range for cost_integer is 1 to 65535 10 All models ip address_ipv4 Enter the IP address of the neighbor 0 0 0 0 All models poll interval seconds_integer Enter the time in seconds between hello packets sent t...

Страница 179: ...id_integer end config network edit id_integer get end config network edit id_integer show end Example Use the following command to enable OSPF for the interfaces attached to networks specified by the IP address 10 0 0 0 and the netmask 255 255 255 0 and to add these interfaces to area 10 1 1 1 config router ospf config network edit 2 set area 10 1 1 1 set prefix 10 0 0 0 255 255 255 0 end end netw...

Страница 180: ...interface command syntax pattern config ospf interface edit interface name_str set keyword variable end config ospf interface edit interface name_str unset keyword end config ospf interface delete interface name_str end config ospf interface edit interface name_str get end config ospf interface edit interface name_str show end Note The interface name_str variable in the syntax pattern below repres...

Страница 181: ...router is mistakenly added to the network If you configure authentication for the interface authentication for areas is not used All routers on the network must use the same authentication type none All models authentication key password_str Enter the password to use for text authentication The authentication key must be the same on all neighboring routers The maximum length for the authentication...

Страница 182: ...ey without unsetting all of the keys The key ID and key must be the same on all neighboring routers The valid range for id_integer is 1 to 255 key_str is an alphanumeric string of up to 16 characters No default All models authentication must be set to md5 mtu mtu_integer Change the Maximum Transmission Unit MTU size included in database description packets sent out this interface The valid range f...

Страница 183: ...priority router ID is used Point to point networks do not elect a DR or BDR therefore this setting has no effect on a point to point network The valid range for priority_integer is 0 to 255 1 All models retransmit interval seconds_integer The time in seconds to wait before sending a LSA retransmission The value for the retransmit interval must be greater than the expected round trip delay for a pa...

Страница 184: ...tion key a2b3c4d5e end end This example shows how to display the settings for the OSPF interface configuration named test config router ospf config ospf interface edit test get end This example shows how to display the configuration for the OSPF interface configuration named test config router ospf config ospf interface edit test show end config redistribute Access the config redistribute subcomma...

Страница 185: ...router ospf config summary address Access the config summary address subcommand using the config router ospf command redistribute command keywords and variables Keywords and variables Description Default Availability metric metric_integer Enter the metric to be used for the redistributed routes The metric_integer range is from 1 to 16777214 10 All models metric type 1 2 Specify the external link t...

Страница 186: ...nd get router ospf show router ospf Example This example shows how to summarize routes using the prefix 10 0 0 0 255 0 0 0 config router ospf config summary address edit 5 set prefix 10 0 0 0 255 0 0 0 end end This example shows how to display the OSPF settings get router ospf Note Only the prefix keyword is required All other keywords are optional summary address command keywords and variables Ke...

Страница 187: ...estination address of the packet If a match is not found the FortiGate unit routes the packet using the default route Command syntax pattern config router static6 edit sequence_integer set keyword variable end config router static6 edit sequence_integer unset keyword end config router static6 delete sequence_integer end get router static6 sequence_integer show router static6 sequence_integer stati...

Страница 188: ...30 60 set gateway 12AB 0 0 CD30 123 4567 89AB CDEF end This example shows how to display the list of IPV6 static route numbers get router static6 This example shows how to display the settings for IPV6 static route 2 get router static6 2 This example shows how to display the IPV6 static route configuration show router static6 This example shows how to display the configuration for IPV6 static rout...

Страница 189: ...et Each policy can be individually configured to route connections or apply network address translation NAT to translate source and destination IP addresses and ports You can add IP pools to use dynamic NAT when the firewall translates source addresses You can use policies to configure port address translation PAT through the FortiGate You can add protection profiles to firewall policies to apply ...

Страница 190: ...ks When the FortiGate unit receives a connection attempt at an interface it selects a policy list to search through for a policy that matches the connection attempt The FortiGate unit chooses the policy list based on the source and destination addresses of the connection attempt The FortiGate unit then starts at the top of the selected policy list and searches down the list for the first policy th...

Страница 191: ...98 Schedule The schedule that controls when the policy should be active See Schedule on page 211 Service The service to which the policy applies See Service on page 203 Action The response to make when the policy matches a connection attempt Enable Enable or disable the policy Enabling the policy makes it available for the firewall to match it to incoming connections source destination n Policy li...

Страница 192: ...icy you must add it to the destination interface VLAN subinterface or zone For information about adding an address see Addresses on page x For NAT Route mode policies where the address on the destination network is hidden from the source network using NAT the destination can also be a virtual IP that maps the destination address of the packet to a hidden destination address See Virtual IP on page ...

Страница 193: ...icy If you select NAT you can also select Dynamic IP Pool and Fixed Port NAT is not available in Transparent mode Dynamic IP Pool Select Dynamic IP Pool to translate the source address to an address randomly selected from the IP pool An IP pool dropdown list appears when the policy destination interface is the same as the IP pool interface You cannot select Dynamic IP Pool if the destination inter...

Страница 194: ...g user groups for authentication You can select Authentication for any service Users can authenticate with the firewall using HTTP Telnet or FTP For users to be able to authenticate you must add an HTTP Telnet or FTP policy that is configured for authentication When users attempt to connect through the firewall using this policy they are prompted to enter a firewall username and password If you wa...

Страница 195: ...fServ capable routers sort IP traffic into classes by inspecting the DS field in IPv4 header or the Traffic Class field in the IPv6 header You can use the FortiGate DiffServ feature to change the DSCP Differentiated Services Code Point value for all packets accepted by a policy The network uses these DSCP values to classify mark shape and police traffic and to perform intelligent queuing DSCP feat...

Страница 196: ...they have the results that you expect For information about arranging policies in a policy list see How policy matching works on page 190 To delete a policy 1 Go to Firewall Policy 2 Select the Delete icon beside the policy you want to delete 3 Select OK To edit a policy 1 Go to Firewall Policy 2 Select the Edit icon beside the policy you want to edit 3 Edit the policy as required 4 Select OK To c...

Страница 197: ... to disable To enable a policy 1 Go to Firewall Policy 2 Select Enable Policy CLI configuration The natip keyword for the firewall policy command is used in encrypted VPN policies A natip address cannot be added using the web based manager You can configure complete firewall policies using from the CLI See the FortiGate CLI Reference Guide for descriptions of all firewall policy keywords Command s...

Страница 198: ... http_retry_count retry_integer Define the number of times to retry establishing an HTTP connection when the connection fails 0 All models natip address_ipv4mask Configure natip for a firewall policy with action set to encrypt and with outbound NAT enabled Specify the IP address and subnet mask to translate the source address of outgoing packets Set natip for peer to peer VPNs to control outbound ...

Страница 199: ...network Figure 84 Sample address list The address list has the following icons and features Address options Add an address representing an IP address and subnet mask or an IP address range Figure 85 Address options Address has the following options Create New Select Create New to add a firewall address Name The name of the firewall address Address The IP address and mask or IP address range of the...

Страница 200: ...0 0 0 The netmask for a class B subnet should be 255 255 0 0 The netmask for a class C subnet should be 255 255 255 0 The netmask for all addresses should be 0 0 0 0 An IP Range address represents A range of IP addresses in a subnet for example 192 168 20 1 to 192 168 20 10 Configuring addresses To add an address 1 Go to Firewall Address 2 Select Create New 3 Enter a name to identify the address 4...

Страница 201: ...ses and then configure them in an address group you can configure a single policy using all three addresses Figure 86 Sample address group list The address group list has the following icons and features Address group options Address group options are configurable when creating or editing an address group Note To change the address name you must delete the address and add it again with a new name ...

Страница 202: ...ss group If an address group is included in a policy it cannot be deleted unless it is first removed from the policy 1 Go to Firewall Address Group 2 Select the Delete icon beside the address group you want to delete 3 Select OK To edit an address group 1 Go to Firewall Address Group 2 Select the Edit icon beside the address group you want to modify Group Name Enter a name to identify the address ...

Страница 203: ...ibes Predefined service list Custom service list Custom service options Configuring custom services Service group list Service group options Configuring service groups Predefined service list Figure 88 Predefined service list The predefined services list has the following icons and features Table 21 lists the FortiGate predefined firewall services You can add these services to any policy Note To c...

Страница 204: ...ng protocol tcp 179 DHCP Dynamic Host Configuration Protocol DHCP allocates network addresses and delivers configuration parameters from DHCP servers to hosts udp 67 DNS Domain name service for translating domain names into IP addresses tcp 53 udp 53 FINGER A network service that provides information about users tcp 79 FTP FTP service for transferring files tcp 21 GOPHER Gopher communication servi...

Страница 205: ... udp 5632 ICMP_ANY Internet Control Message Protocol is a message control and error reporting protocol between a host and gateway Internet PING ICMP echo request reply for testing connections to other devices icmp 8 TIMESTAMP ICMP timestamp request messages icmp 13 INFO_REQUEST ICMP information request messages icmp 15 INFO_ADDRESS ICMP address mask request messages icmp 17 POP3 Post office protoc...

Страница 206: ...CP All TCP ports tcp 0 65535 TELNET Telnet service for connecting to a remote computer to run commands tcp 23 TFTP Trivial File Transfer Protocol is a simple file transfer protocol similar to FTP but with no security features udp 69 UDP All UDP ports udp 0 65535 UUCP Unix to Unix copy utility a simple file copying protocol udp 540 VDOLIVE For VDO Live streaming multimedia traffic tcp 7000 7010 WAI...

Страница 207: ...ervice you are adding TCP or UDP TCP and UDP options are the same Source Port Specify the Source Port number range for the service by entering the low and high port numbers If the service uses one port number enter this number in both the low and high fields Destination Port Specify the Destination Port number range for the service by entering the low and high port numbers If the service uses one ...

Страница 208: ...and high fields 6 Select OK You can now add this custom service to a policy To add a custom ICMP service 1 Go to Firewall Service Custom 2 Select Create New 3 Enter a name for the new custom ICMP service 4 Select ICMP as the Protocol Type 5 Enter the ICMP type number and code number for the service 6 Select OK You can now add this custom service to a policy To add a custom IP service 1 Go to Firew...

Страница 209: ...te groups of services and then add one policy to allow or block access for all the services in the group A service group can contain predefined services and custom services in any combination You cannot add service groups to another service group Figure 93 Sample service group list The service group list has the following icons and features Service group options Service group options are configura...

Страница 210: ...lete a service group If a service group is included in a policy it cannot be deleted unless it is first removed from the policy 1 Go to Firewall Service Group 2 Select the Delete icon beside the service group you want to delete 3 Select OK To edit a service group 1 Go to Firewall Service Group 2 Select the Edit icon beside the service group you want to modify 3 Make any required changes Group Name...

Страница 211: ... schedule list Recurring schedule options Configuring recurring schedules One time schedule list You can create a one time schedule that activates or deactivates a policy for a specified period of time For example your firewall might be configured with the default policy that allows access to all services on the Internet at all times You can add a one time schedule to block access to the Internet ...

Страница 212: ...a 24 hour clock 5 Set the Stop date and time for the schedule 6 Select OK To delete a one time schedule 1 Go to Firewall Schedule One time 2 Select the Delete icon beside the one time schedule you want to delete 3 Select OK To edit a one time schedule 1 Go to Firewall Schedule One time 2 Select the Edit icon beside the one time schedule you want to modify 3 Modify the schedule as required 4 Select...

Страница 213: ... before the start time the schedule starts at the start time and finishes at the stop time on the next day You can use this technique to create recurring schedules that run from one day to the next You can also create a recurring schedule that runs for 24 hours by setting the start and stop times to the same time Create New Select Create New to add a recurring schedule Name The name of the recurri...

Страница 214: ...IPs to access IP addresses on a destination network that are hidden from the source network by NAT security policies To allow connections between these networks you must create a mapping between an address on the source network and the real address on the destination network This mapping is called a virtual IP For example if the computer hosting your web server is located on your DMZ network it co...

Страница 215: ...network Using port forwarding you can also route packets with a specific port number and a destination address that matches the IP address of the interface that receives the packets This technique is called port forwarding or port address translation PAT You can also use port forwarding to change the destination port of the forwarded packets Dynamic port forwarding Similar to port forwarding dynam...

Страница 216: ...nal Interface Select the virtual IP external interface from the list Type Select Static NAT or Port Forwarding External IP Address Enter the external IP address that you want to map to an address on the destination network To configure dynamic port forwarding set the external IP address to 0 0 0 0 External Service Port Enter the external service port number that you want to configure port forwardi...

Страница 217: ...address and the external IP address can be on different subnets 7 Enter the Map to IP address to which to map the external IP address For example the IP address of a web server on an internal network 8 Select OK You can now add the virtual IP to firewall policies To add port forwarding virtual IPs 1 Go to Firewall Virtual IP 2 Select Create New 3 Enter a name for the port forwarding virtual IP 4 S...

Страница 218: ...etwork 9 Enter the Map to Port number to be added to packets when they are forwarded If you do not want to translate the port enter the same number as the External Service Port 10 Select OK To add a dynamic port forwarding virtual IP 1 Go to Firewall Virtual IP 2 Select Create New 3 Enter a name for the dynamic port forwarding virtual IP 4 Select the virtual IP External Interface from the list The...

Страница 219: ... destination interface is the same as the IP pool interface You can add an IP pool if you want to add NAT mode policies that translate source addresses to addresses randomly selected from the IP pool rather than being limited to the IP address of the destination interface For example if you add an IP pool to the internal interface you can select Dynamic IP pool for WAN1 Internal WAN2 Internal DMZ1...

Страница 220: ...ew 4 Enter the IP Range for the IP pool The IP range defines the start and end of an address range The start of the range must be lower than the end of the range The start and end of the range must be on the same subnet as the IP address of the interface to which you are adding the IP pool Create New Select Create New to add an IP pool Start IP The start IP defines the start of an address range En...

Страница 221: ...ol in the policy The firewall randomly selects an IP address from the IP pool and assigns it to each connection In this case the number of connections that the firewall can support is limited by the number of IP addresses in the IP pool IP pools and dynamic NAT You can use IP pools for dynamic NAT For example your organization might have purchased a range of Internet addresses but you might have o...

Страница 222: ...ght need strict protection traffic between trusted internal addresses might need moderate protection You can configure policies for different traffic services to use the same or different protection profiles Protection profiles can be added to NAT Route mode and Transparent mode policies This section describes Protection profile list Default protection profiles Protection profile options Configuri...

Страница 223: ... HTTP traffic You can add this protection profile to firewall policies that control HTTP traffic Unfiltered To apply no scanning blocking or IPS Use the unfiltered content profile if you do not want to apply content protection to content traffic You can add this protection profile to firewall policies for connections between highly trusted or highly secure networks where content does not need to b...

Страница 224: ... files to view them or submit files to Fortinet for analysis Pass fragmented emails Enable or disable passing fragmented email for mail protocols IMAP POP3 SMTP Fragmented email cannot be scanned for viruses Oversized file email Select block or pass for files and email that exceed configured thresholds for each protocol To configure the oversized file threshold go to Antivirus Config Config The ma...

Страница 225: ... the banned words and patterns in the content block list Web URL Block Enable or disable web page filtering for HTTP traffic based on the URL block list Web Exempt List Enable or disable web page filtering for HTTP traffic based on the URL exempt list Exempt URLs are not scanned for viruses Web Script Filter Enable or disable blocking scripts from web pages for HTTP traffic Web resume download blo...

Страница 226: ...n error pages to circumvent web category blocking Allow websites when a rating error occurs HTTP only Allow web pages that return a rating error from the web filtering service Category The FortiGuard web filtering service provides many categories by which to filter web traffic You can set the action to take on web pages for each category Choose from allow block or monitor IP address FortiShield ch...

Страница 227: ...eader of email identified as spam For SMTP if you have virus scan or splice CLI enabled you will only be able to discard spam email Note that splice is enabled automatically when you enable virus scanning Discard immediately drops the connection Without splice or scanning enabled you can chose to tag or discard SMTP spam You can tag email by adding a custom word or phrase to the subject or inserti...

Страница 228: ...file you want to modify 3 Modify the profile as required 4 Select OK Display content meta information on the system dashboard Enable to have meta information for each type of traffic display in the Content Summary section of the FortiGate status page There you can view statistics for HTTP traffic FTP traffic and Email traffic IMAP POP3 and SMTP combined Archive content meta information Enable or d...

Страница 229: ...n profile from the list 6 Configure the remaining policy settings if required 7 Select OK 8 Repeat this procedure for any policies for which you want to enable network protection Profile CLI configuration Use this command to add edit or delete protection profiles Use protection profiles to apply different protection settings for traffic controlled by firewall policies Command syntax pattern config...

Страница 230: ...loading large files When splice is disabled for ftp the FortiGate unit buffers the file for scanning before uploading it to the FTP server If the file is clean the FortiGate unit will allow the upload to continue Enter all the actions you want this profile to use Use a space to separate the options you enter If you want to remove an option from the list or add an option to the list you must retype...

Страница 231: ... and returns an error message to the sender listing the virus name and infected file name In this mode the SMTP server is not able to deliver the email if it was sent with an infected attachment Throughput is higher when splice is enabled When splice is disabled the FortiGate unit scans the email first If the FortiGate unit detects a virus it removes the infected attachment adds a customizable mes...

Страница 232: ...232 01 28007 0068 20041203 Fortinet Inc Profile CLI configuration Firewall ...

Страница 233: ...ify the user s credentials locally or using an external LDAP or RADIUS server Authentication expires if the user leaves the connection idle for longer than the authentication timeout period You need to determine the number and membership of your user groups appropriate to your authentication needs To set up user groups 1 If external authentication is needed configure RADIUS or LDAP servers See RAD...

Страница 234: ...s Local Go to User Local to add local user names and configure authentication Local user list Figure 112 Local user list Local user options Figure 113 Local user options Create New Add a new local username User Name The local user name Type The authentication type to use for this user The Delete and Edit icons User Name Enter the user name Disable Select Disable to prevent this user from authentic...

Страница 235: ...ver for authentication The default port for RADIUS traffic is 1812 If your RADIUS server is using port 1645 you can use the CLI to change the default RADIUS port For more information see the config system global command entry in the FortiGate CLI Reference Guide RADIUS server list Figure 114 RADIUS server list LDAP Select LDAP to require the user to authenticate to an LDAP server Select the name o...

Страница 236: ... server name that you want to delete 3 Select OK LDAP If you have configured LDAP support and a user is required to authenticate using an LDAP server the FortiGate unit contacts the LDAP server for authentication To authenticate with the FortiGate unit the user enters a user name and password The FortiGate unit sends this user name and password to the LDAP server If the LDAP server can authenticat...

Страница 237: ...gure 117 LDAP server configuration Create New Add a new LDAP server Server Name IP The domain name or IP address of the LDAP server Port The port used to communicate with the LDAP server Common Name Identifier The common name identifier for the LDAP server 20 characters maximum The common name identifier for most LDAP servers is cn However some servers use other common name identifiers such as uid...

Страница 238: ...AP 2 Select Delete beside the LDAP server name that you want to delete 3 Select OK Common Name Identifier Enter the common name identifier for the LDAP server The common name identifier for most LDAP servers is cn However some servers use other common name identifiers such as uid Distinguished Name Enter the distinguished name used to look up entries on the LDAP server Enter the base distinguished...

Страница 239: ...ng XAuth The FortiGate PPTP configuration Only users in the selected user group can use PPTP The FortiGate L2TP configuration Only users in the selected user group can use L2TP When you add user names RADIUS servers and LDAP servers to a user group the order in which they are added determines the order in which the FortiGate unit checks for authentication If user names are first then the FortiGate...

Страница 240: ...row to add the RADIUS server to the Members list 6 To add an LDAP server to the user group select an LDAP server from the Available Users list and select the right arrow to add the LDAP server to the Members list 7 To remove users RADIUS servers or LDAP servers from the user group select a user RADIUS server or LDAP server from the Members list and select the left arrow to remove the name RADIUS s...

Страница 241: ...e FortiGate CLI Reference Guide peer Use this command to add or edit the peer certificate information Command syntax pattern config user peer edit name_str set keyword variable config user peer edit name_str unset keyword config user peer delete name_str get user peer name_str show user peer name_str Example This example shows how to add the branch_office peer radius command keywords and variables...

Страница 242: ...branch_office peergrp Use this command to add or edit a peer group Command syntax pattern config user peergrp edit name_str set keyword variable config user peergrp edit name_str unset keyword config user peergrp delete name_str get user peergrp name_str show user peergrp name_str Example This example shows how to add peers to the peergrp EU_branches radius command keywords and variables Keywords ...

Страница 243: ...This example shows how to display the list of configured peer groups get user peergrp This example shows how to display the settings for the peergrp EU_branches get user peergrp EU_branches This example shows how to display the configuration for all the peers groups show user peergrp This example shows how to display the configuration for the peergrp EU_branches show user peergrp EU_branches ...

Страница 244: ...244 01 28007 0068 20041203 Fortinet Inc peergrp Users and authentication ...

Страница 245: ...wing protocols to authenticate and encrypt traffic Internet Protocol Security IPSec Point to Point Tunneling Protocol PPTP Layer Two Tunneling Protocol L2TP This chapter contains information about the following VPN topics Phase 1 Phase 2 Manual key Concentrator Ping Generator Monitor PPTP L2TP Certificates VPN configuration procedures CLI configuration ...

Страница 246: ...ional advanced phase 1 settings can be selected to ensure the smooth operation of phase 1 negotiations To configure phase 1 settings 1 Go to VPN IPSEC Phase 1 2 Follow the general guidelines in these sections Phase 1 list on page 246 Phase 1 basic settings on page 247 Phase 1 advanced settings on page 249 For information about how to choose the correct phase 1 settings for your particular situatio...

Страница 247: ...alup clients with dynamic IP addresses will be connecting to the FortiGate unit select Dialup User If a remote peer that has a domain name and subscribes to a dynamic DNS service will be connecting to the FortiGate unit select Dynamic DNS and type the domain name of the remote peer into the Dynamic DNS field IP Address If Static IP Address is selected type the IP address of the remote peer Dynamic...

Страница 248: ...ue must be identical to the value in the Local ID field of the phase 1 remote gateway configuration on the remote peer To grant access to selected remote peers or clients based on a peer ID select Accept this peer ID and type the identifier This value must be identical to the value in the Local ID field of the phase 1 remote gateway configuration on the remote peer or client To grant access to dia...

Страница 249: ... the following symmetric key algorithms DES Digital Encryption Standard a 64 bit block algorithm that uses a 56 bit key 3DES Triple DES in which plain text is encrypted three times by three keys AES128 A 128 bit block algorithm that uses a 128 bit key AES192 A 128 bit block algorithm that uses a 192 bit key AES256 A 128 bit block algorithm that uses a 256 bit key You can select either of the follo...

Страница 250: ...rom 120 to 172800 seconds Local ID If you are using peer IDs for authentication enter the peer ID that the local FortiGate unit will use to authenticate itself to remote VPN peers If you are using certificates for authentication select the distinguished name DN of the local certificate XAuth If you select Enable as Client type the user name and password that the FortiGate unit will need to authent...

Страница 251: ...ic IPSec encryption and or authentication key you must configure the FortiGate unit to use manual keys instead For more information see Manual key on page 253 Create New Select Create New to create a new phase 2 tunnel configuration Tunnel Name The names of existing tunnel configurations Remote Gateway The names of the phase 1 configurations that are associated with the tunnel configurations Lifet...

Страница 252: ...guration before it can be selected here See Concentrator on page 256 P2 Proposal Select the encryption and authentication algorithms that will be used to change data into encrypted code Add or delete encryption and authentication algorithms as required Select a minimum of one and a maximum of three combinations The remote peer must be configured to use at least one of the proposals that you define...

Страница 253: ...e Hellman exchange whenever keylife expires DH Group Select one Diffie Hellman group 1 2 or 5 The remote peer or client must be configured to use the same group Keylife Select the method for determining when the phase 2 key expires Seconds KBytes or Both If you select both the key expires when either the time has passed or the number of KB have been processed The range is from 120 to 172800 second...

Страница 254: ... specify two SPIs per configuration a local SPI and a remote SPI to cover bidirectional communications between two VPN peers To specify manual keys for creating a tunnel 1 Go to VPN IPSEC Manual Key and select Create New 2 Follow the guidelines in these sections Manual key list on page 254 Manual key options on page 255 Manual key list Figure 126 IPSec VPN Manual Key list Note It may not be safe o...

Страница 255: ...ss of the public interface to the remote peer The address identifies the recipient of ESP datagrams Encryption Algorithm Select one of the following symmetric key encryption algorithms DES Digital Encryption Standard a 64 bit block algorithm that uses a 56 bit key 3DES Triple DES in which plain text is encrypted three times by three keys AES128 A 128 bit block algorithm that uses a 128 bit key AES...

Страница 256: ...o define a concentrator 1 Go to VPN IPSEC Concentrator 2 Follow the guidelines in these sections Concentrator list on page 256 Concentrator options on page 257 Concentrator list Figure 128 IPSec VPN concentrator list Authentication Algorithm Select one of the following message digests MD5 Message Digest 5 algorithm which produces a 128 bit message digest SHA1 Secure Hash Algorithm 1 which produces...

Страница 257: ...resses refer to the source and destination addresses of IP packets that are to be transported through the VPN tunnel When source and destination addresses of 0 0 0 0 are entered no ping traffic is generated between the source and destination To configure the ping generator 1 Go to VPN IPSEC Ping Generator Create New Select Create New to define a new concentrator for an IPSec hub and spoke configur...

Страница 258: ... 3 and 4 for the Source IP 2 and Destination IP 2 settings 6 Select Apply Ping generator options Figure 130 Ping generator Monitor You can use the monitor to view activity on IPSec VPN tunnels and start or stop those tunnels The display provides a list of addresses proxy IDs and timeout information for all active tunnels To view active tunnels 1 Go to VPN IPSEC Monitor To interpret the display see...

Страница 259: ...tion for each tunnel configuration You can also start and stop individual tunnels from the list Figure 132 Static IP and dynamic DNS monitor Flush dialup tunnels icon Stop all dialup tunnels and stop the traffic passing through all dialup tunnels Dialup users may have to reconnect to establish new VPN sessions Name The name of the tunnel Remote gateway The IP address and UDP port of the remote gat...

Страница 260: ...s an IP address from a reserved range of IP addresses to the client PPTP interface The PPTP client uses the assigned IP address as its source address for the duration of the connection Figure 133 PPTP range Name The name of the tunnel Remote gateway The IP address and UDP port of the remote gateway For dynamic DNS tunnels the IP address is updated dynamically Timeout The time before the next key e...

Страница 261: ... the client is assigned an IP address from this range Afterward the FortiGate unit uses the assigned address to communicate with the remote client Figure 134 L2TP range Enable PPTP You must add a user group before you can select the option Starting IP Type the starting address in the range of reserved IP addresses Ending IP Type the ending address in the range of reserved IP addresses User Group S...

Страница 262: ...st on page 265 and Importing CA certificates on page 265 For detailed information and step by step procedures related to obtaining and installing digital certificates see the FortiGate VPN Guide Local certificate list Figure 135 Certificate list Generate Select to generate a local certificate request See Certificate request on page 263 Import Select to import a signed local certificate See Importi...

Страница 263: ...A that provides digital certificates that adhere to the X 509 standard The FortiGate unit provides a way for you to generate the request The generated request includes information such as the FortiGate unit s public static IP address domain name or email address To generate a certificate request 1 Go to VPN Certificates Local Certificates 2 Select Generate Figure 137 Generating a certificate signi...

Страница 264: ...h as with a dialup client use an email address For Host IP enter the public IP address of the FortiGate unit being certified For Domain name enter the fully qualified domain name of the FortiGate unit being certified Do not include the protocol specification http or any port number or path names For E mail enter the email address of the owner of the FortiGate unit being certified Typically email a...

Страница 265: ...ot certificate 1 Go to VPN Certificates CA Certificates 2 Select Import Figure 140 Importing a CA certificate 3 Browse to the location on the management PC where the certificate has been saved select the certificate and then select OK 4 Select OK Import Select to import a CA root certificate See Importing CA certificates on page 265 Name The names of existing CA root certificates The FortiGate uni...

Страница 266: ...r See Phase 2 on page 250 3 Define source and destination addresses for the IP packets that are to be transported through the VPN tunnel and create the firewall encryption policy which defines the scope of permitted services between the IP source and destination addresses See Adding firewall policies for IPSec VPN tunnels on page 266 Adding firewall policies for IPSec VPN tunnels Firewall policies...

Страница 267: ...as follows Interface Zone Source Select the local interface to the internal private network Destination Select the local interface to the external public network Address Name Source Select the name that corresponds to the local network server s or host s from which IP packets may originate Destination Select the name that corresponds to the remote network server s or host s to which IP packets may...

Страница 268: ...and 4 see the FortiGate VPN Guide To arrange for PPTP packets to pass through the FortiGate unit to an external PPTP server instead you must 1 Create a PPTP user group containing one user for each PPTP client See Users and authentication on page 233 2 Enable PPTP on the FortiGate unit and specify the range of addresses that can be assigned to PPTP clients when they connect See PPTP range on page 2...

Страница 269: ...bility dpd idlecleanup seconds_integer The DPD long idle setting when dpd is set to enable Set the time in seconds that a link must remain unused before the local VPN peer pro actively probes its state After this period of time expires the local peer will send a DPD probe to determine the status of the link even if there is no traffic between the local peer and the remote peer The dpd idlecleanup ...

Страница 270: ...ry 150 set dpd retrycount 5 set dpd retryinterval 30 end dpd retrycount retry_integer The DPD retry count when dpd is set to enable Set the number of times that the local VPN peer sends a DPD probe before it considers the link to be dead and tears down the security association SA The dpd retrycount range is 0 to 10 To avoid false negatives due to congestion or other transient failures set the retr...

Страница 271: ...local FortiGate interface No default All models dstaddr name_str Enter the name of the firewall destination IP address that corresponds to the recipient or network behind the remote VPN peer You must create the firewall address before you can select it here For more information see Adding firewall policies for IPSec VPN tunnels on page 266 No default All models selector must be set to specify dstp...

Страница 272: ...tions Select policy to choose a selector from a firewall encryption policy The VPN tunnel referenced in the firewall encryption policy will be referenced Select wildcard to disable selector negotiation for this tunnel Use this option to avoid negotiation errors such as invalid ID Information that may occur during quick mode when the set of policies between the peers is not symmetric Select specify...

Страница 273: ...he IPSec VPN tunnel config vpn ipsec vip edit 1 set ip 192 168 12 1 set out interface external next edit 2 set ip 192 168 12 2 set out interface external end Note The interface to the destination network must be associated with a VPN tunnel through a firewall encryption policy action must be set to encrypt The policy determines which VPN tunnel will be selected to forward traffic to the destinatio...

Страница 274: ...ate unit s virtual IP VIP table the FortiGate unit responds with its own MAC address and forwards traffic to the correct destination at the other end of the VPN tunnel afterward Consider the following example which shows two physically separate networks The IP addresses of the computers on both networks are in the 192 168 12 0 24 range but no two IP addresses are the same An IPSec VPN has been con...

Страница 275: ...th FortiGate units define the gateway tunnel on which to transmit VPN traffic to the remote location see Phase 1 on page 246 and Phase 2 on page 250 2 On both FortiGate units define the firewall encrypt policy that is needed to select and enable communication through the defined VPN gateway tunnel see Adding firewall policies for IPSec VPN tunnels on page 266 3 Using CLI commands to configure the ...

Страница 276: ...276 01 28007 0068 20041203 Fortinet Inc ipsec vip VPN ...

Страница 277: ...Profile select edit or Create New and select IPS See Protection profile options on page 223 Protection profile configuration For information about adding protection profiles to firewall policies see To add a protection profile to a policy on page 229 IPS updates and information FortiProtect services are a valuable customer resource and include automatic updates of virus and IPS attack engines and ...

Страница 278: ...ition to an extensive list of predefined attack signatures you can also create your own custom attack signatures for the FortiGate unit See Adding custom signatures on page 283 Predefined Predefined signatures are arranged into groups based on the type of attack By default all signature groups are enabled while some signatures within groups are not Check the default settings to ensure they meet th...

Страница 279: ...ers Action can be Pass Drop Reset Reset Client Reset Server Drop Session Clear Session or Pass Session See Table 24 Revision The revision number for individual signatures To show the signature group members click on the blue triangle Modify The Configure and Reset icons Reset only appears when the default settings have been modified Selecting Reset restores the default settings Table 24 Actions to...

Страница 280: ...e Used for TCP connections only If you set this action for non TCP connection based attacks the action will behave as Clear Session If the Reset Client action is triggered before the TCP connection is fully established it acts as Clear Session Reset Server The FortiGate unit drops the packet that triggered the signature sends a reset to the server and removes the session from the FortiGate session...

Страница 281: ... of a signature 1 Go to IPS Signature Predefined 2 Select the blue triangle next to a signature group name to display the members of that group 3 Select the Reset icon for the signature you want to restore to recommended settings The Reset icon is displayed only if the settings for the signature have been changed from recommended settings 4 Select OK Configuring parameters for dissector signatures...

Страница 282: ...out If a session is idle for longer than this number of seconds the session will not be maintained by tcp_reassembler min_ttl A packet with a higher ttl number in its IP header than the number specified here is not processed by tcp_reassembler port_list A comma separated list of ports The dissector can decode these TCP ports bad_flag_list A comma separated list of bad TCP flags reassembly_ directi...

Страница 283: ...custom signatures from the custom signature group Reset to recommended settings Reset all the custom signatures to the recommended settings Name The custom signature names Revision The revision number for each custom signature The revision number is a number you assign to the signature when you create or revise it Enable The status of each custom signature A white check mark in a green circle indi...

Страница 284: ...essions targeting a single destination in one second is over a threshold the destination is experiencing flooding Scan If the number of sessions from a single source in one second is over a threshold the source is scanning Source session limit If the number of concurrent sessions from a single source is over a threshold the source session limit is reached Destination session limit If the number of...

Страница 285: ...nt Reset Server Drop Session Clear Session or Pass Session Modify The Edit and Reset icons If you have changed the settings for an anomaly you can use the Reset icon to change the settings back to the recommended settings Name The anomaly name Enable Select the Enable box to enable the anomaly or clear the Enable box to disable the anomaly Logging Select the Logging box to enable logging for the a...

Страница 286: ... is fully established it acts as Clear Session Reset Client The FortiGate unit drops the packet that triggered the anomaly sends a reset to the client and removes the session from the FortiGate session table Used for TCP connections only If you set this action for non TCP connection based attacks the action will behave as Clear Session If the Reset Client action is triggered before the TCP connect...

Страница 287: ...fig limit edit name_str unset keyword end config limit delete name_str Example Use the following command to configure the limit for the tcp_src_session anomaly config ips anomaly tcp_src_session config limit edit subnet1 set ipaddress 1 1 1 0 255 255 255 0 set threshold 300 end end Note This guide only covers Command Line Interface CLI commands that are not represented in the web based manager For...

Страница 288: ...atures for attacks that your system is not vulnerable to for example web attacks when you are not running a web server For more information on FortiGate logging and alert email see Log Report on page 339 Default fail open setting If for any reason the IPS should cease to function it will fail open by default This means that crucial network traffic will not be blocked and the Firewall will continue...

Страница 289: ...rotocol HTTP FTP IMAP POP3 SMTP View a read only list of current viruses File Block Antivirus File Block Enable or disable file blocking for each protocol Configure file patterns to block enable or disable blocking for each protocol Quarantine Antivirus Quarantine Enable or disable quarantining for each protocol Quarantine is only available on units with a local disk View and sort the list of quar...

Страница 290: ...rotect Center at http www fortinet com FortiProtectCenter To set up automatic and push updates see Update center on page 118 This chapter describes File block Quarantine Config CLI configuration File block Configure file blocking to remove all files that are a potential threat and to prevent active computer virus attacks You can block files by name by extension or any other pattern giving you the ...

Страница 291: ...ram information files pif Figure 152 Default file block list File block list has the following icons and features Create New Select Create New to add a new file pattern to the file block list Apply Select Apply to apply any changes to the file block configuration Pattern The current list of blocked file patterns You can create a pattern by using or wildcard characters Check All Select a check box ...

Страница 292: ...es Quarantined files list Quarantined files list options AutoSubmit list AutoSubmit list options Configuring the AutoSubmit list Config Quarantined files list The quarantined files list displays information about each file that is quarantined because of virus infection or file blocking You can sort the files by any one of file name date service status duplicate count DC or time to live TTL You can...

Страница 293: ...s 3fc155d2 oversize exe Date The date and time that the file was quarantined in the format dd mm yyyy hh mm This value indicates the time that the first file was quarantined if the duplicate count increases Service The service from which the file was quarantined HTTP FTP IMAP POP3 SMTP Status The reason the file was quarantined infected heuristics or blocked Status Description Specific information...

Страница 294: ... options AutoSubmit list has the following icons and features Configuring the AutoSubmit list To add a file pattern to the AutoSubmit list 1 Go to Anti Virus Quarantine AutoSubmit 2 Select Create New Figure 155 Adding a file pattern 3 Enter the file pattern or file name you want to automatically upload to Fortinet for analysis 4 Select Enable 5 Select OK Create New Select Create New to add a new f...

Страница 295: ...e time limit in hours for which to keep files in quarantine The age limit is used to formulate the value in the TTL column of the quarantined files list When the limit is reached the TTL column displays EXP and the file is deleted although a record is maintained in the quarantined files list Entering an age limit of 0 zero means files are stored on disk indefinitely depending on low disk space act...

Страница 296: ...118 Figure 157 Virus list partial Config Oversize threshold configuration refers to the size limits you can apply to scan files and email in memory The maximum file size allowed in memory is usually 10 of the FortiGate RAM size For example a FortiGate unit with 256 MB of RAM could have a memory oversize threshold range of 1 to 25 MB The range for each FortiGate unit is displayed in the web based m...

Страница 297: ...thout the user s consent or knowledge Grayware programs are generally considered an annoyance but these programs can cause system performance problems or be used for malicious means The FortiGate unit scans for known grayware executable programs in each category you enable The category list and contents are added or updated whenever your FortiGate unit receives a virus update package New categorie...

Страница 298: ...yboard including passwords chat and instant messages Hijacker Select enable to block browser hijacking programs Browser hijacking occurs when a spyware type program changes web browser settings including favorites or bookmarks start pages and menu options Plugin Select enable to block browser plugins Browser plugins can often be harmless Internet browsing tools that are installed and operate direc...

Страница 299: ...ern config antivirus heuristic set keyword variable end config antivirus heuristic unset keyword end get antivirus heuristic show antivirus heuristic Example This example shows how to disable heuristic scanning config antivirus heuristic set mode disable end Note This guide only covers Command Line Interface CLI commands that are not represented in the web based manager For complete descriptions a...

Страница 300: ...e how the FortiGate unit handles antivirus scanning of large files in HTTP traffic and what ports the FortiGate unit scans for HTTP Command syntax pattern config antivirus service http set keyword variable end Note This command has more keywords than are listed in this Guide See the FortiGate CLI Reference Guide for a complete list of commands and keywords antivirus quarantine command keywords and...

Страница 301: ...e maximum file size in megabytes that can be buffered to memory for virus scanning The maximum file size allowed is 10 of the FortiGate RAM size For example a FortiGate unit with 256 MB of RAM could have a threshold range of 1 MB to 25 MB Note For email scanning the oversize threshold refers to the final size of the email after encoding by the email client including attachments Email clients may u...

Страница 302: ...t 70 set port 80 set port 443 end This example shows how to display the antivirus HTTP traffic settings get antivirus service http This example shows how to display the configuration for antivirus HTTP traffic show antivirus service http config antivirus service ftp Use this command to configure how the FortiGate unit handles antivirus scanning of large files in FTP traffic and how the FortiGate u...

Страница 303: ...size allowed is 10 of the FortiGate RAM size For example a FortiGate unit with 256 MB of RAM could have a threshold range of 1 MB to 25 MB Oversized files can be passed or blocked in a firewall protection profile Note For email scanning the memfilesizelimit refers to the final size of the email after encoding by the email client including attachments Email clients may use a variety of encoding typ...

Страница 304: ...rtiGate unit with 256 MB of RAM could have a threshold range of 1 MB to 25 MB Note For email scanning the memfilesizelimit refers to the final size of the email after encoding by the email client including attachments Email clients may use a variety of encoding types and some encoding types translate into larger file sizes than the original attachment The most common encoding base64 translates 3 b...

Страница 305: ...et uncompsizelimit 60 set port 110 set port 111 set port 992 end This example shows how to display the antivirus POP3 traffic settings get antivirus service pop3 This example shows how to display the configuration for antivirus POP3 traffic show antivirus service pop3 config antivirus service imap Use this command to configure how the FortiGate unit handles antivirus scanning of large files in IMA...

Страница 306: ... to memory for virus scanning The maximum file size allowed is 10 of the FortiGate RAM size For example a FortiGate unit with 256 MB of RAM could have a threshold range of 1 MB to 25 MB Note For email scanning the memfilesizelimit refers to the final size of the email after encoding by the email client including attachments Email clients may use a variety of encoding types and some encoding types ...

Страница 307: ...ximum file size allowed is 10 of the FortiGate RAM size For example a FortiGate unit with 256 MB of RAM could have a threshold range of 1 MB to 25 MB Note For email scanning the memfilesizelimit refers to the final size of the email after encoding by the email client including attachments Email clients may use a variety of encoding types and some encoding types translate into larger file sizes tha...

Страница 308: ... be buffered to memory for scanning at 1 GB 1000 MB and how to enable antivirus scanning on ports 25 and 465 for SMTP traffic config antivirus service smtp set memfilesizelimit 100 set uncompsizelimit 1000 set port 25 set port 465 end This example shows how to display the antivirus SMTP traffic settings get antivirus service smtp This example shows how to display the configuration for antivirus SM...

Страница 309: ...banned words and patterns in the content block list for HTTP traffic Add words and patterns to block web pages containing those words or patterns Web URL Block Web Filter URL Block Enable or disable web page filtering for HTTP traffic based on the URL block list Add URLs and URL patterns to block web pages from specific sources Web Exempt List Web Filter URL Exempt Enable or disable web page filte...

Страница 310: ...ck URL block URL exempt category block FortiGuard and script filter This chapter describes Content block URL block URL exempt Category block Script filter Protection Profile web category filtering Web Filter setting Enable category block HTTP only Web Filter Category Block Configuration Enable FortiGuard web filtering Enable or disable FortiGuard and enable and set the size limit for the cache Blo...

Страница 311: ...following icons and features Note Perl regular expression patterns are case sensitive for Web Filter content block To make a word or phrase case insensitive use the regular expression i For example bad language i will block all instances of bad language regardless of case Wildcard patterns are not case sensitive Note Enable Web filtering Web Content Block in your firewall Protection Profile to act...

Страница 312: ...act phrase 4 Set the pattern type if required 5 Select the language character set 6 Select Enable 7 Select OK URL block You can block access to specific URLs by adding them to the URL block list You can also add patterns using text and regular expressions or wildcard characters to block URLs The FortiGate unit blocks web pages matching any specified URLs or patterns and displays a replacement mess...

Страница 313: ...sts in a text file and upload them to the FortiGate unit by selecting the Upload URL block list icon URLs in a text file must be separated by hard returns to upload correctly Figure 162 Sample Web URL block list Web URL block options Web URL block has the following icons and features Note URL blocking does not block access to other services that users can access with a web browser For example URL ...

Страница 314: ... the block list For example adding badsite com blocks access to www badsite com mail badsite com www finance badsite com and so on 5 Select Enable 6 Select OK Web pattern block list In addition to blocking specific or partial URLs you can block all URLs that match patterns you create using text and regular expressions or wildcard characters For example badsite matches badsite com badsite org badsi...

Страница 315: ...rn Block 3 Select Create New Figure 165 Adding a new pattern 4 Enter a pattern to add to the web pattern block list 5 Select Enable 6 Select OK URL exempt This section describes URL exempt list URL exempt list options Configuring URL exempt Create New Select Create New to add a new pattern to the web pattern block list Pattern The current list of blocked patterns Select the check box to enable all...

Страница 316: ...a URL to the URL exempt list 1 Go to Web Filter URL Exempt 2 Select Create New Figure 167 Adding a new exempt URL 3 Enter the URL to add to the URL exempt list 4 Select Enable 5 Select OK Note Enable Web filtering Web Exempt List in your firewall Protection Profile to activate the URL exempt settings Create New Select Create New to add a URL to the URL exempt list total The number of URLs in the U...

Страница 317: ...gories may be added to or updated as the Internet evolves Users can also choose to allow block or monitor entire groups of categories to make configuration simpler Blocked pages are replaced with a message indicating that the page is not accessible according to the Internet usage policy FortiGuard ratings are performed by a combination of proprietary methods including text analysis exploitation of...

Страница 318: ...n profile Category block configuration options If you have ordered FortiGuard through Fortinet technical support or are using the free 30 day trial you only need to enable the service to start configuring and using FortiGuard Figure 168 Category block configuration You can configure the following options to enable and help maintain FortiGuard web filtering Enable Service FortiGuard Select to enabl...

Страница 319: ...iGuard categories on page 357 Once you select Apply the FortiGuard license type and expiration date appears on the configuration screen Web Filter Category Block Category block reports You can generate a text and pie chart format report on web filtering for any profile The FortiGate unit maintains statistics for allowed blocked and monitored web pages for each category You can view reports for a r...

Страница 320: ...Reference Guide for descriptions of all webfilter catblock keywords Profile Select the profile for which you want to generate a report Report Type Select the time frame for which you want to generate the report Choose from hour day or all historical statistics Report Range Select the time range 24 hour clock or day range from six days ago to today for which you want the report For example if you s...

Страница 321: ...ebfilter catblock This example shows how to display the configuration for the catblock settings show webfilter catblock If the show command returns you to the prompt the settings are at default Script filter You can configure the FortiGate unit to filter certain web scripts You can filter Java applets cookies and ActiveX controls from web pages catblock command keywords and variables Keywords and ...

Страница 322: ...hese items may prevent some web pages from functioning and displaying correctly Note Enable Web filtering Web Script Filter in your firewall Protection Profile to activate the script filter settings Javascript Select Javascript to block all Javascript based pages or applications Cookies Select Cookies to block web sites from placing cookies on individual computers ActiveX Select ActiveX to block a...

Страница 323: ...service FortiShield This service works like an RBL server and is continuously updated to block spam sources Check the status of the FortiShield server view the license type and expiry date and configure the cache IP address BWL check Spam Filter IP Address Black white list check Enable or disable checking incoming IP addresses against the configured spam filter IP address list SMTP only Add to and...

Страница 324: ...ders against the configured spam filter MIME header list Add to and edit MIME headers to the list with the option of using wildcards and regular expressions You can configure the action to take as spam or clear for each MIME header Banned word check Spam Filter Banned Word Enable or disable checking source email against the configured spam filter banned word list Add to and edit banned words to th...

Страница 325: ...FortiShield and RBL ORDBL are run simultaneously To avoid delays queries are sent while other filters are running The first reply to trigger a spam action will take effect as soon as the reply is received This chapter describes FortiShield IP address RBL ORDBL Email address MIME headers Banned word Using Perl regular expressions FortiShield FortiShield is an antispam system from Fortinet that uses...

Страница 326: ...rver After a moment the FortiShield status should change from Unknown to Available If the FortiShield status is unavailable wait and try again 3 Enable and set a TTL time to live for the cache Enable Service Select to enable the FortiShield service Status Select Check Status to test the connection to the FortiShield server Status should change from a flashing red yellow indicator to a solid green ...

Страница 327: ...n to the next spam filter You can enter an IP address and mask in two formats x x x x x x x x for example 62 128 69 100 255 255 255 0 x x x x x for example 62 128 69 100 24 This section describes IP address list IP address options Configuring the IP address list IP address list You can configure the FortiGate unit to filter email from specific IP addresses You can mark each IP address as clear spa...

Страница 328: ...BLs keep track of unsecured third party SMTP servers known as open relays which some spammers use to send unsolicited bulk email There are also several free and subscription servers available that provide reliable access to continually updated RBLs and ORDBLs Check with the service you are using to confirm the correct domain name for connecting to the server The FortiGate unit communicates with RB...

Страница 329: ...RBL ORDBL 2 Select Create New Note Because the FortiGate unit uses the server domain name to connect to the RBL or ORDBL server it must be able to look up this name on the DNS server For information on configuring DNS see DNS on page 61 Create New Select Create New to add a server to the RBL ORDBL list Total The number of items in the list The Page up Page down and Remove all entries icons RBL Ser...

Страница 330: ... the email is passed on to the next spam filter You can use Perl regular expressions or wildcards to add email address patterns to the list See Using Perl regular expressions on page 335 This section describes Email address list Email address options Configuring the email address list Email address list The FortiGate unit can filter email from specific senders or all email from a domain such as sa...

Страница 331: ...ntent encoding such as the type of text in the email body or the program that generated the email Some examples of MIME headers include X mailer outgluck X Distribution bulk Content_Type text html Content_Type image jpg The first part of the MIME header is called the header key or just header The second part is called the value Spammers will often insert comments into header values or leave them b...

Страница 332: ...t You can configure the FortiGate unit to filter email with specific MIME header key value pairs You can mark each MIME header as clear or spam Figure 178 Sample MIME headers list MIME headers options MIME headers list has the following icons and features Note MIME header entries are case sensitive Create New Select Create New to add a MIME header to the MIME headers list Total The number of items...

Страница 333: ...patterns The FortiGate unit searches for banned words in email messages If a match is found the corresponding protection profile action is taken If no match is found the email is passed to the recipient You can use Perl regular expressions or wildcards to add banned word patterns to the list See Using Perl regular expressions on page 335 This section describes Banned word list Banned word options ...

Страница 334: ...ng icons and features When you select Create New or Edit you can configure the following settings for the banned word Create new Select Create New to add a word or phrase to the banned word list Total The number of items in the list The Page up Page down and Remove all entries icons Pattern The list of banned words Select the check box to enable all the banned words in the list Pattern Type The pa...

Страница 335: ... See http www perldoc com perl5 8 0 pod perlre html for detailed information about using Perl regular expressions Pattern Enter the word or phrase you want to include in the banned word list Pattern Type Select the pattern type for the banned word Choose from wildcard or regular expression See Using Perl regular expressions on page 335 Language Select the character set for the banned word Choose f...

Страница 336: ...xpression test not only matches the word test but also matches any word that contains the test such as atest mytest testimony atestb The notation b specifies the word boundary To match exactly the word test the expression should be btest b Case sensitivity Regular expression pattern matching is case sensitive in the Web and Spam filters To make a word or phrase case insensitive use the regular exp...

Страница 337: ...s of case w a word a nonempty sequence of alphanumeric characters and low lines underscores such as foo and 12bar8 and foo_1 100 s mk the strings 100 and mk optionally separated by any amount of white space spaces tabs newlines abc b abc when followed by a word boundary e g in abc but not in abcd perl B perl when not followed by a word boundary e g in perlert but not in perl stuff x tells the regu...

Страница 338: ...338 01 28007 0068 20041203 Fortinet Inc Configuring the banned word list Spam filter ...

Страница 339: ...ion You can configure the FortiGate unit to send alert email to up to three recipients when selected events occur It is not necessary for an event to be logged to trigger an alert email The FortiGate unit will collect and send log messages in alert emails according to the level and time intervals you configure in the alert email options All collected messages are assembled in one alert email which...

Страница 340: ...3 28 52 device_id APS3012803033139 log_id 0101023002 type event subtype ipsec pri notice loc_ip 172 16 81 2 loc_port 500 rem_ip 172 16 81 1 rem_port 500 out_if dmz vpn_tunnel ToDmz action negotiate init local mode stage 112 dir inbound status success msg Initiator tunnel 172 16 81 1 transform ESP_3DES HMAC_SHA1 Message meets Alert condition 2004 04 27 13 28 54 device_id APS3012803033139 log_id 010...

Страница 341: ...is full the FortiGate unit begins to overwrite the oldest messages All log entries are deleted when the FortiGate unit restarts Syslog A remote computer running a syslog server WebTrends A remote computer running a NetIQ WebTrends firewall reporting server FortiGate log formats comply with WebTrends Enhanced Log Format WELF and are compatible with NetIQ WebTrends Security Reporting Center 2 0 and ...

Страница 342: ...og file is started Roll log policy The policy to follow for saving the current log and starting a new active log Overwritten deletes the oldest log entry when the disk is full Block traffic stops all network traffic when the disk is full Do not log stops logging messages when the disk is full Level The FortiGate unit logs all messages at and above the logging severity level you select For example ...

Страница 343: ...ove the logging severity level you select For example if you select Error the unit logs Error Critical Alert and Emergency level messages See Table 31 Logging severity levels on page 342 Facility Facility indicates the source of a log message By default FortiGate reports Facility as local7 You might want to change Facility to distinguish log messages from different FortiGate units Enable CSV Forma...

Страница 344: ...evel The FortiGate unit sends alert email for all messages at and above the logging severity level you select Emergency The interval to wait before sending an alert e mail for emergency level log messages Alert The interval to wait before sending an alert e mail for alert level log messages Critical The interval to wait before sending an alert e mail for critical level log messages Error The inter...

Страница 345: ...h logging severity level 6 Select the logging severity level for which you want to send alert email 7 Select Apply Log filter options For each logging location you enable you can create a customized log filter based on the log types described in the following sections Note If more than one log message is collected before an interval is reached the messages are combined and sent out as one alert em...

Страница 346: ...ession or packet log You can apply the following filters Event log The Event Log records management and activity events such as when a configuration has changed or a routing gateway has been added You can apply the following filters Policy allowed traffic The FortiGate unit logs all traffic that is allowed according to the firewall policy settings Policy violation traffic The FortiGate unit logs a...

Страница 347: ...dates HA activity event The FortiGate unit logs all high availability events such as link member and state information Firewall authentication event The FortiGate unit logs all firewall related events such as user authentication Pattern update event The FortiGate unit logs all pattern update events such as antivirus and IPS pattern updates and update failures Virus infected The FortiGate unit logs...

Страница 348: ...in the traffic log 1 Go to System Network Interface 2 Select the Edit icon for an interface 3 Select Log 4 Select OK 5 Repeat steps 1 through 4 for each interface for which you want to enable logging 6 Make sure you enable traffic logs for a logging location and set the logging severity level to Notification or lower Attack Signature The FortiGate unit logs all detected and prevented attacks based...

Страница 349: ... for a policy 3 Select Log Traffic 4 Select OK 5 Make sure you enable traffic log under Log Filter for a logging location and set the logging severity level to Notification or lower Log access Log Access provides access to log messages saved to the memory buffer You can view and search logs This section describes Viewing log messages Searching log messages Figure 186 Sample list of logs stored on ...

Страница 350: ... Figure 188 Column settings for viewing log messages Type The location of the log messages memory Go to previous page icon View to the previous page in the log file Go to next page icon View to the next page in the log file View per page Select the number of log messages displayed on each page Line Type the line number of the first line you want to display The number following the slash is the tot...

Страница 351: ...messages a simple keyword search or an advanced search that enables you to use multiple keywords and specify a time range To perform a simple keyword search 1 Display the log messages you want to search For more information see Viewing log messages on page 349 2 In the Search field type a keyword and select Go The log message list shows only the logs containing the keyword To perform an advanced s...

Страница 352: ...omplete descriptions of working with CLI commands see the FortiGate CLI Reference Guide fortilog setting Use this command to configure log settings for logging to a FortiLog unit The FortiLog unit is a log analyzer and manager that can combine the log information from various FortiGate units Command syntax pattern config log fortilog setting set keyword variable config log fortilog setting unset k...

Страница 353: ...e disable Enter enable to enable encrypted communication with the FortiLog unit disable All models localid str_id Enter the local ID for an IPSec VPN tunnel to a FortiLog unit You can create an IPSec VPN tunnel if one or more FortiGate units are sending log messages to a FortiLog unit across the Internet Using an IPSec VPN tunnel means that all log messages sent by the FortiGate are encrypted and ...

Страница 354: ...o enable the FortiGate unit to produce the log in Comma Separated Value CSV format If you do not enable CSV format the FortiGate unit produces plain text files disable All models facility alert audit auth authpriv clock cron daemon ftp kernel local0 local1 local2 local3 local4 local5 local6 local7 lpr mail news ntp syslog user uucp Enter the facility type Also known as message category facility in...

Страница 355: ...play the configuration for logging to a remote syslog server show log syslogd setting If the show command returns you to the prompt the settings are at default Table 32 Facility types Facility type Description alert audit auth security authorization messages authpriv security authorization messages private clock clock daemon cron cron daemon performing scheduled commands daemon system daemons runn...

Страница 356: ...356 01 28007 0068 20041203 Fortinet Inc syslogd setting Log Report ...

Страница 357: ...d sites that provide information about or promote the cultivation preparation or use of marijuana 2 Cult or Occult Sites that provide information about or promote religions not specified in Traditional Religions or other unconventional cultic or folkloric beliefs and practices Sites that promote or offer methods means of instruction or other resources to affect or influence real events through the...

Страница 358: ...ty with no pornographic intent 9 Advocacy Groups Sites that promote change or reform in public policy public opinion social practice economic activities and relationships 10 Alcohol and Tobacco Sites that provide information about promote or support the sale of alcoholic beverages or tobacco products or associated paraphernalia 11 Gambling Sites that provide information about or promote gambling o...

Страница 359: ...iscussion groups message boards and list servers includes blogs and mail magazines Digital post cards Sites for sending viewing digital post cards 22 Pay to Surf Sites that pay users to view Web sites advertisements or email 23 Web based Email Sites that host Web based email Potentially Bandwidth Consuming 24 File Sharing and Storage Peer to Peer File Sharing Sites that provide client software to ...

Страница 360: ...information about or cater to gay lesbian or bisexual lifestyles including those that support online shopping but excluding those that are sexually or issue oriented 33 Health Sites that provide information or advice on personal health or medical services procedures or devices but not drugs Includes self help groups 34 Job Search Sites that offer information about or support the seeking of employm...

Страница 361: ...ons devoted to professional advancement or workers interests Service and Philanthropic Organizations Sites sponsored by or that support or offer information about organizations devoted to doing good as their primary activity Social and Affiliation Organizations Sites sponsored by or that support or offer information about organizations devoted chiefly to socializing or common interests other than ...

Страница 362: ...lated business firms including sites supporting the sale of hardware software peripherals and services 53 Military Organizations Military Sites sponsored by branches or agencies of the armed services Others 54 Dynamic Content Dynamic Content URLs that are generated dynamically by a Web server 55 Miscellaneous Content Delivery Networks Commercial hosts that deliver content to subscribing Web sites ...

Страница 363: ...e medium See Diffie Hellman group Diffie Hellman group FortiGate units support Diffie Hellman groups 1 2 and 5 The size of the modulus used to calculate the key varies according to the group Group 1 768 bit modulus Group 2 1024 bit modulus Group 5 1536 bit modulus digital certificate A digital document that guarantees the identity of a person or entity and is issued by a CA DMZ Demilitarized Zone ...

Страница 364: ...tocol An Internet email protocol that allows access to an email server from any IMAP compatible browser internal interface The FortiGate interface that connects to an internal private network Internet The network that encompasses the world As a generic term it refers to any collection of interdependent networks IP Internet Protocol The component of TCP IP that handles routing IP address The point ...

Страница 365: ... DCE interface PPPoE PPP over Ethernet A protocol that specifies how to encapsulate PPP packets over Ethernet PPTP Point to Point Tunneling Protocol A security protocol that creates a VPN by encapsulating PPP packets protocol A standard format for transmitting data The protocol determines the type of error checking to be used the data compression method if any how the sending device indicates that...

Страница 366: ...essed on the same subnet See also netmask TCP Transmission Control Protocol One of the main protocols in TCP IP networks TCP guarantees delivery of data and also guarantees that packets are delivered in the same order sent trojan horse A harmful program that disguises itself as another program UDP User Datagram Protocol A connectionless protocol that runs on IP networks and is used primarily for b...

Страница 367: ...okey Keep Alive 253 B back up configuration 116 bandwidth guaranteed 195 196 maximum 195 196 banned word spam 333 bindtoif 271 border routers 163 browsing the Internet through a VPN tunnel 253 C CA certificates 264 Certificate Name 248 264 CLI 18 upgrading the firmware 34 36 cluster managing an HA cluster 94 cluster ID HA 95 cluster members HA 86 command line interface 18 Concentrator 252 256 Conc...

Страница 368: ... monitor 258 259 dynamic IP pool IP pool 199 234 235 237 239 dynamic port forwarding 215 218 E Email address 330 Enable perfect forward secrecy PFS 253 Enable replay detection 253 Encryption for FortiLog unit 341 Encryption Algorithm 247 254 Encryption Algorithm Manual Key 255 Encryption Key Manual Key 255 Exempt URL options 316 expire system status 32 F facility 354 fail open 288 failover monitor...

Страница 369: ...ter configuring 90 HA monitor active sessions 96 CPU usage 96 intrusion detected 96 memory usage 96 monitor 95 network utilization 96 total bytes 96 total packets 96 up time 95 virus detected 96 heartbeat failover 84 heartbeat device IP addresses HA 89 hello interval 174 182 High Availability 85 high availability introduction 18 http 230 HTTPS 18 204 hub HA schedule 88 I ICMP 205 idle timeout web ...

Страница 370: ...age HA monitor 96 metric 185 metric type 185 MIB FortiGate 101 MIME headers 331 Mode 246 247 mode HA 86 Transparent 16 monitor HA monitor 95 IPSec VPN 258 monitor priorities HA 90 mtu 182 MTU size 53 mtu ignore 182 N NAT introduction 16 push update 124 NAT Route mode introduction 16 natip 198 Nat traversal 250 neighbor 163 netmask administrator account 110 111 network address translation introduct...

Страница 371: ...ternal IP address changes 123 management IP address changes 124 through a NAT device 124 through a proxy server 122 Q Quarantine 292 Quarantine list 292 Quick Mode Identities 253 R random HA schedule 88 RBL and ORDBL 328 read write access level administrator account 81 110 115 119 126 read only access level administrator account 81 110 115 recurring schedule creating 213 refresh every HA monitor 9...

Страница 372: ...stub type 169 Subject Information 264 substitute 172 substitute status 172 syn interval 82 synchronize with NTP server 82 Syslog logging settings 343 system configuration 81 system date and time setting 81 system options changing 82 T tag 185 186 TCP custom service 206 207 208 technical support 23 threshold 287 time setting 81 time zone 82 Timeout 251 259 260 timeout firewall authentication 83 idl...

Страница 373: ...us detected HA monitor 96 virus protection worm protection 14 VLAN overview 63 VLAN subinterface bringing down 54 bringing up 54 starting 54 VPN introduction 17 VPN certificates restore 117 upload 117 VPN Tunnel Policy 267 VPNs 245 W web content filtering introduction 14 Web filter 309 357 content block 311 Web pattern block 314 Web script filter options 322 Web URL block list 313 web based manage...

Страница 374: ...374 01 28007 0068 20041203 Fortinet Inc Index ...

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