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CompUSA 333628, Руководство пользователя

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51

2.7.3 DoS (Denial of Service) 

The Broadband router's firewall can block common hacker attacks, including Denial of Service, Ping of Death, Port 
Scan, and Sync Flood.

 If Internet attacks occur the router can log the events.

 

 

 
Parameters 

    Description 

 
Intrusion Detection Feature 

 

Ping of Death

 

Protections from Ping of Death attack. 

 

 

 

Discard Ping From WAN

 

The router’s WAN port will not respond to any Ping requests. 

 

Port Scan

 

    Protections 

the 

router 

from 

Port 

Scan. 

 

Sync Flood

 

 

 

 

 

Protections the router from Sync Flood attack. 

 
Click <

Apply>

 at the bottom of the screen to save the above configurations. 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание 333628

Страница 1: ...54 Mbps Wireless G Broadband Router SKU 333628 User s Manual ...

Страница 2: ... radio frequency energy and if not installed or used in accordance with the instructions may cause harmful interference to radio communication However there is no guarantee that interference will not occur in television reception which can be determined by turning the equipment off and on The user is encouraged to try and correct the interference by one or more of the following measures Reorient o...

Страница 3: ...ss via Cable or xDSL modem Access Private LAN Servers from the Public Network Equipped with four LAN ports 10 100Mbps and one WAN port 10 100Mbps Provides IEEE 802 11g b wireless LAN access point Support DHCP Server Client for easy setup Support advance features such as Special Applications DMZ Virtual Servers Access Control and Firewall Allows you to monitor the router s status such as DHCP Clien...

Страница 4: ...e on your LAN If there is another DHCP server on your network then you ll need to switch one of the DHCP servers off 3 Once your PC has obtained an IP address from your router enter the default IP address 192 168 2 1 broadband router s IP address into your PC s web browser and press enter 4 The login screen below will appear Enter the User Name and Password and then click OK to login Note By defau...

Страница 5: ... the region you are currently in The router will set its time based on your selection Time Server Address You can manually assign a time server address if the default time server is unavailable Enable Daylight Savings The router can also take Daylight Savings into account If you wish to use this function you must check the enable box to enable your Daylight Savings configuration Start Daylight Sav...

Страница 6: ... address already 1 3 PPPoE Your ISP requires you to use a Point to Point Protocol over an Ethernet PPPoE connection 1 4 PPTP Your ISP requires you to use a Point to Point Tunneling Protocol PPTP connection 1 5 L2TP Your ISP requires you to use a Layer Two Tunneling Protocol L2TP connection 1 6 Telstra Big Pond This Protocol is only used for Australia s ISP connection Click on one of the WAN types ...

Страница 7: ...ress is the PC s MAC address that your ISP had originally connected your Internet connection to Type in this MAC address in this section or use the Clone MAC Address button to replace the WAN MAC address with the MAC address of that PC you have to be using that PC for the Clone MAC Address button to work Click OK when you have finished the configuration above Congratulations You have completed the...

Страница 8: ...wish to set a maximum packet size Connection Type If you select Continuous the router will always connect to the ISP If the WAN line breaks down and links again the router will auto reconnect to the ISP If you select Connect On Demand the router will auto connect to the ISP when someone wants to use the Internet and will remain connected until the WAN idle timeout is reached If you select Manual t...

Страница 9: ... 255 255 255 0 Gateway Enter the IP address of the ISP Gateway User ID Enter the User Name provided by your ISP for the PPTP connection Sometimes called a Connection ID Password Enter the Password provided by your ISP for the PPTP connection PPTP Gateway If your LAN has a PPTP gateway then enter that PPTP gateway IP address here If you do not have a PPTP gateway then enter the ISP s Gateway IP add...

Страница 10: ...on or use the Clone MAC Address button to replace the WAN MAC address with the MAC address of that PC you have to be using that PC for the Clone MAC Address button to work Use the following IP address Select this option if your ISP requires a static IP address to be used to connect to the L2TP server IP Address This is the IP address that your ISP has given you to establish a L2TP connection Subne...

Страница 11: ... idle timeout auto disconnect function can be disturbed by various uncontrollable issues In order to prevent extra fee s being charged by your ISP please TURN OFF THE ROUTER WHEN YOU ARE FINISHED USING THE INTERNET Click OK when you have finished the configuration above Congratulations You have completed the configuration for the L2TP connection Your router is now ready to be used 1 6 Telstra Big ...

Страница 12: ...Settings 2 2 WAN This section allows you to select the connection method you need to establish a connection with your ISP 2 3 LAN You can specify the LAN segment s IP address subnet Mask enable disable DHCP and select an IP range for your LAN 2 4 Wireless You can setup the wireless LAN s SSID WEP key and MAC filtering 2 5 QoS You can setup the QoS bandwidth control policy 2 6 NAT You can configure...

Страница 13: ...Select the time zone of the region you are currently in The router will set its time based on your selection 2 1 2 Password Settings Allows you to change your password in order to access the web based management website 2 1 3 Remote Management You can specify a Host IP address that can perform remote management functions Select one of the above three system settings selections and proceed to the r...

Страница 14: ...on Time Server Address The router s default Time Server Address is 192 43 244 18 Enable Daylight Savings The router can also take Daylight Savings into account If you wish to use this function you must check the enable box to enable your Daylight Savings configuration Start Daylight Savings Time Select the period in which you wish to start Daylight Savings Time End Daylight Savings Time Select the...

Страница 15: ...lphanumeric characters Parameters Description Current Password Enter your current password for the remote management administrator to login to your Broadband router Note By default the password is 1234 New Password Enter your new password Confirmed Password Enter your new password again to verify Note If you forgot your password you ll have to reset the router to the factory default 1234 with the ...

Страница 16: ...en you will be able to configure this router from your home If the Host Address field is left with 0 0 0 0 this means anyone can access the router s web based configuration from a remote location if the user knows the password Click the Enabled box to enable the Remote Management function Note When you want to access the web based management from a remote site you must enter the router s WAN IP ad...

Страница 17: ... ISP will automatically give you an IP address 2 2 2 Static IP address Your ISP has given you an IP address already 2 2 3 PPPoE Your ISP requires PPPoE connection 2 2 4 PPTP Your ISP requires you to use a Point to Point Tunneling Protocol PPTP connection 2 2 5 L2TP Your ISP requires L2TP connection 2 2 6 Telstra Big Pond Your ISP requires Telstra Big Pond connection 2 2 7 DNS You can specify a DNS...

Страница 18: ...SP requires PPPoE protocol to connect you to the Internet Your ISP should provide all the information required in this section 2 2 4 PPTP Select PPTP if your ISP requires PPTP protocol to connect you to the Internet Your ISP should provide all the information required in this section 2 2 5 L2TP Select L2TP if your ISP requires L2TP protocol to connect you to the Internet Your ISP should provide al...

Страница 19: ...ly that the DNS server IP address is provided automatically However if there is a DNS server that you would rather use you need to specify the IP address of that DNS server here Parameters Description Domain Name Server DNS Server This is the ISP s DNS server IP address that your ISP gave you or you can specify your own preferred DNS server IP address Secondary DNS Address optional This is optiona...

Страница 20: ...S service providers Parameters Default Description Enable Disable Disable Enable Disable the DDNS function of this router Provider Select a DDNS service provider Domain Name Your static domain name that uses DDNS Account E mail The account that your DDNS service provider assigned to you Password Key The password you set for the DDNS service account above Click Apply at the bottom of the screen to ...

Страница 21: ...e to manually set your LAN client s IP addresses make sure the LAN Client is in the same subnet as this broadband router if you want the router to be your LAN client s default gateway Lease Time The DHCP when enabled will temporarily give your LAN clients an IP address In the Lease Time setting you can specify the time period that the DHCP lends an IP address to your LAN clients The DHCP will chan...

Страница 22: ...t It supports WEP and WPA2 encryption to enhance the security of your wireless network Parameters Default Description Enable or disable Enable You can select enable or disable the wireless access point module of this router You will disable the wireless features of this router if this is disabled Click Apply at the bottom of the screen to save the above configurations ...

Страница 23: ...tings You can set parameters that are used for the wireless stations to connect to this router The parameters include Mode ESSID Channel Number and Associated Client AP Mode setting Page Station Ad Hoc mode setting page ...

Страница 24: ...23 Station Infrastructure mode setting page AP Bridge Point to Point mode setting page ...

Страница 25: ...24 AP Bridge Point to Multi Point mode setting page AP Bridge WDS mode setting page ...

Страница 26: ...ations that are connecting to the access point WLAN MAC This is the MAC address used by the Wireless interface of this AP when it is in the station mode Clone MAC Clicking the Clone MAC button will copy the MAC address of your PC that you are using to configure the AP to the WLAN MAC MAC address If you want to bridge more than one network together with wireless LAN you have to set this access poin...

Страница 27: ... either one of these two authentication types Fragment Threshold Fragment Threshold specifies the maximum size of packet during the fragmentation of data to be transmitted If you set this value too low it will result in reduced performance RTS Threshold When the packet size is smaller than the RTS threshold the wireless router will not use the RTS CTS mechanism to send this packet Beacon Interval ...

Страница 28: ... the same wireless LAN 802 11g Protection This is also called CTS Protection It is recommended to enable this protection mechanism This mechanism can decrease the rate of data collision between 802 11b and 802 11g wireless stations When the protection mode is enabled the throughput of the AP will be lower due to too many of frame traffic should be transmitted Click Apply at the bottom of the scree...

Страница 29: ...length for encryption 64 bit or 128 bit The larger 128 bit WEP key length will provide a higher level of security but the data throughput will be lower Key Format You may select ASCII Characters alphanumeric format or Hexadecimal Digits in the A F a f and 0 9 range for the WEP Key format For example ASCII Characters guest Hexadecimal Digits 12345abcde Default Key Select one of the four keys to enc...

Страница 30: ...is mode only authenticates users by IEEE 802 1x but it does not encrypt the data during communication Parameters Default Description RADIUS Server IP address The IP address of the external RADIUS server RADIUS Server Port The service port of the external RADIUS server RADIUS Server Password The password used to access the external RADIUS server Click Apply at the bottom of the screen to save the a...

Страница 31: ...t to log into the Access Point before accessing the wireless LAN The authentication is processed by a RADIUS server This mode also uses WEP to encrypt the data during communication For the WEP settings please refer to section 2 4 3 1 WEP only For the 802 1x settings please refer to section 2 4 3 2 802 1x only ...

Страница 32: ...enhance the wireless LAN security WPA2 Mixed This will automatically use either TKIP or AES based on the encryption method configured on the device being connected to Pre shared Key Format You may select Pass phrase alphanumeric format or Hexadecimal Digits in the A F a f and 0 9 range to be the Pre shared Key For example Pass phrase iamguest Hexadecimal Digits 12345abcde Pre shared Key The Pre sh...

Страница 33: ...enhance the wireless LAN security WPA2 AES This uses the CCMP protocol to change the encryption key frequently AES can provide high level encryption to enhance the wireless LAN security WPA2 Mixed This will automatically use either TKIP or AES based on the encryption method configured on the device being connected to RADIUS Server IP address The IP address of the external RADIUS server RADIUS Serv...

Страница 34: ...ill be added to the Current Access Control List below If you find any issues before adding it and want to retype again just click Clear and both the MAC Address and Comment fields will be cleared Remove MAC address from the list If you want to remove MAC address from the Current Access Control List select the MAC address you want to remove in the list and then click Delete Selected If you want to ...

Страница 35: ... port the other applications will not get any bandwidth Parameters Description Enable Disable QoS Check Enable QoS to enable the QoS function for the WAN port You can also uncheck Enable QoS to disable QoS function for the WAN port Add a QoS rule into the table Click Add to create a new Rule Name and enter the information required Click Apply after completing the form and the rule will be added in...

Страница 36: ...y to If you assign 192 168 2 3 192 168 2 5 it means 3 IP addresses 192 168 2 3 192 168 2 4 and 192 168 2 5 Local Port Range Enter the local port range of the packets that this rule will apply to You can assign a single port number here or assign a range of port numbers by assigning the first port number and the last port number of the range The two numbers are separated by a dash for example 101 1...

Страница 37: ...r attacks and has the flexibility to allow you to map Private IP Addresses to Public IP Addresses for key services such as Websites and FTP Parameter Description 2 6 1 Port Forwarding You can have different services e g email FTP Web etc going to different service servers clients in your LAN The Port Forwarding allows you to re direct a particular range of service port numbers from the Internet WA...

Страница 38: ...ction and setup the routing rules manually Click on one of the three NAT selections and proceed to the manual s relevant sub section 2 6 1 Port Forwarding Port Forwarding allows you to re direct a particular range of service port numbers from the Internet WAN Ports to a particular LAN IP address It helps you to host some servers behind the router NAT firewall Parameter Description Enable Port Forw...

Страница 39: ... to clear your current selections Click Apply at the bottom of the screen to save the above configurations 2 6 2 Virtual Server Use the Virtual Server function when you want different servers clients in your LAN to handle different service Internet application type e g Email FTP Web server etc from the Internet Computers use numbers called port numbers to recognize a particular service Internet ap...

Страница 40: ...gs Comment The description of this setting Add Virtual Server Fill in the Private IP Private Port Type Public Port and Comment of the setting to be added and then click Add Then this Virtual Server setting will be added into the Current Virtual Server Table below If you find any typo before adding it and want to retype again just click Clear and the fields will be cleared Remove Virtual Server If ...

Страница 41: ...our private LAN to be accessible to Internet users The configuration below means that any request coming from the Internet to access your web server will be translated to your LAN s web server 192 168 2 2 Note For the virtual server to work properly Internet remote users must know your global IP address For websites you will need to have a fixed static global public IP address ...

Страница 42: ... to separate the two port number range e g 2300 2400 Public Type Select the Inbound port protocol type TCP UDP or both Comment The description of this setting Popular Applications This section lists the more popular applications that require multiple connections Select an application from the Popular Applications selection Once you have selected an application select a location 1 10 in the Copy to...

Страница 43: ...Example Special Applications If you need to run applications that require multiple connections then specify the port outbound normally associated with that application in the Trigger Port field Then select the protocol type TCP or UDP and enter the public ports associated with the trigger port to open them up for inbound traffic Example ID Trigger Port Trigger Type Public Port Public Type Comment ...

Страница 44: ...able the UPnP feature here After you enable the UPnP feature all client systems that support UPnP like Windows XP can discover this router automatically and access the Internet through this router without any configuration The NAT Traversal function provided by UPnP can let applications that support UPnP connect smoothly to Internet sites without any incompatibility problem due to the NAPT port tr...

Страница 45: ...tion Layer Gateway support Parameters Default Description Enable You can select to enable Application Layer Gateway then the router will let that application correctly pass though the NAT gateway Click Apply at the bottom of the screen to save the above configurations ...

Страница 46: ... network address of destination LAN Subnet Mask The subnet mask of destination LAN Default Gateway The next stop gateway of the path toward the destination LAN This is the IP of the neighbor router that this router communicates with on the path to the destination LAN Hop Count The number of hops routers to pass through to reach the destination LAN Interface The interface type of the next hop route...

Страница 47: ...er for applications that require unrestricted access to the Internet you can configure a specific client server as a Demilitarized Zone DMZ Note To enable the Firewall settings select Enable and click Apply Parameters Description 2 6 1 Access Control Access Control allows you to specify which host users can or cannot have access to certain Internet applications 2 6 2 URL Blocking URL Blocking allo...

Страница 48: ...PC to add an access control rule for users by IP addresses Remove PC If you want to remove some PC from the IP Filtering Table select the PC you want to remove in the table and then click Delete Selected If you want remove all PCs from the table just click Delete All button Filter client PC by MAC address Check Enable MAC Filtering to enable MAC Filtering Add PC Fill in Client PC MAC Address and C...

Страница 49: ...e Access Control rule to work properly Client PC Service You can block the clients from accessing some Internet services by checking the services you want to block Protocol This allows you to select UDP TCP or both protocol types you want to block Port Range It can be assign up to five port ranges The router will block clients from accessing Internet services that use these ports Apply Changes Cli...

Страница 50: ... Example Access Control In the example below LAN client A can only access websites that use Port 80 However LAN client B is able to access websites and any other service that uses ports between 80 and 999 ...

Страница 51: ...address or the keyword of the web site you want to block If you find any typo before adding it and want to retype it again click Reset and the field will be cleared Remove URL Keyword If you want to remove some URL keywords from the Current URL Blocking Table select the URL keyword you want to remove in the table and then click Delete Selected If you want to remove all URL keyword from the table j...

Страница 52: ...he router can log the events Parameters Description Intrusion Detection Feature Ping of Death Protections from Ping of Death attack Discard Ping From WAN The router s WAN port will not respond to any Ping requests Port Scan Protections the router from Port Scan Sync Flood Protections the router from Sync Flood attack Click Apply at the bottom of the screen to save the above configurations ...

Страница 53: ... particular LAN client server whereas DMZ re directs all packets regardless of services going to your WAN IP address to a particular LAN client server Parameters Description Enable DMZ Enable disable DMZ Note If there is a conflict between the Virtual Server and the DMZ setting then Virtual Server function will have priority over the DMZ function Public IP Address The IP address of the WAN port or...

Страница 54: ...rmation Shows the router s system information 3 2 Internet Connection View the Broadband router s current Internet connection status and other related information 3 3 Device Status View the Broadband router s current status 3 4 System Log View the Broadband router s system log 3 5 Security Log View any unauthorized attempts to gain access to your network 3 6 Active DHCP Client View your LAN client...

Страница 55: ...tion allows you to view the router s system information Parameters Description Information You can see the router s system information such as the router s LAN MAC Address WAN MAC Address Hardware version Serial Number Boot Code Version and Runtime Code Version ...

Страница 56: ... and other related information Parameters Description Internet Connection This page displays whether the WAN port is connected to a Cable DSL connection It also displays the router s WAN port WAN IP address Subnet Mask and ISP Gateway as well as the Primary DNS and Secondary DNS being used ...

Страница 57: ... settings you configured in the Quick Setup Wizard General Setup section Parameters Description Device Status This page shows the Broadband router s current device settings This page displays the Broadband router LAN port s current LAN IP Address and Subnet Mask It also shows whether the DHCP Server function is enabled or disabled ...

Страница 58: ... It displays any failed event that occurred after system start up At the bottom of the page the system log can be saved Save to a local file for further processing or the system log can be cleared Clear You may refresh Refresh to get the most updated information When the system is powered down the system log will disappear if not saved to a local file ...

Страница 59: ... the Broadband router It displays any attempts to gain unauthorized access your network At the bottom of the page the security log can be saved Save to a local file for further processing or the security log can be cleared Clear You may refresh Refresh to get the most updated situation When the system is powered down the security log will disappear if not saved to a local file ...

Страница 60: ...outer s DHCP server Parameters Description Active DHCP Client This page shows all DHCP clients LAN PCs currently connected to your network The Active DHCP Client Table displays the IP address and the MAC address and Time Expired of each LAN Client Use the Refresh button to get the most updated information ...

Страница 61: ...0 3 7 Statistics View the statistics of packets sent and received on WAN LAN and Wireless LAN Parameters Description Statistics Shows the counters of packets sent and received on WAN LAN and Wireless LAN ...

Страница 62: ...n 4 1 Configuration Tools You can save the router s current configuration restore the router s saved configuration files and restore the router s factory default settings 4 2 Firmware Upgrade This page allows you to upgrade the router s firmware 4 3 Reset You can reset the router s system should any problem exist Select one of the above three Tools Settings selection and proceed to the relevant su...

Страница 63: ...tore selection If extreme problems occur you can use the Restore to Factory Defaults selection this will set all configurations to its original default settings e g when you first purchased the router Parameters Description Configuration Tools Use the Backup tool to save the Broadband router s current configuration to a file named config bin on your PC You can then use the Restore tool to restore ...

Страница 64: ...ou need to download the firmware file to your local hard disk then enter that file name and path in the appropriate field on this page You can also use the Browse button to find the firmware file on your PC Once you ve selected the new firmware file click Apply at the bottom of the screen to start the upgrade process You may have to wait a few minutes for the upgrade to complete Once the upgrade i...

Страница 65: ...nt that the system stops responding correctly or in some way stops functioning you can perform a reset Your settings will not be changed To perform the reset click on the APPLY button You will be asked to confirm your decision The reset will be complete when the power light stops blinking Once the reset process is complete you may start using the router again ...

Страница 66: ... open the Command Prompt program 2 Type Ipconfig all and enter Your PC s IP address is the one entitled IP address 192 168 1 77 The router s IP address is the one entitled Default Gateway 192 168 1 254 Your PC s MAC Address is the one entitled Physical Address 00 50 FC FE 02 DB ...

Страница 67: ...is a 32 bit binary pattern which can be represented as four cascaded decimal numbers separated by aaa aaa aaa aaa where each aaa can be anything from 000 to 255 or as four cascaded binary numbers separated by bbbbbbbb bbbbbbbb bbbbbbbb bbbbbbbb where each b can either be 0 or 1 A network mask is also a 32 bit binary pattern and consists of consecutive leading 1 s followed by consecutive trailing 0...

Страница 68: ...ell defined and can be made objectively without confusion or misunderstanding Router A router is an intelligent network device that forwards packets between different networks based on network layer address information such as IP addresses Subnet Mask A subnet mask which may be a part of the TCP IP information provided by your ISP is a set of four numbers e g 255 255 255 0 configured like an IP ad...

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