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Appendix C – Tools for Your RF550VPN

Multi-Tech Systems, Inc. RF550VPN User Guide

63

Appendix C – Tools for Your
RF550VPN

PING

Ping is an acronym for

P

acket

I

nter

n

et

G

roper. The PING utility is used as a diagnostic tool to

determine if a communication path exists between two devices on the network. The utility sends a
packet to the specified address and then waits for a reply. PING is used primarily to troubleshoot
Internet connections, but it can be used to test the connection between any devices using the TCP/IP
protocol.
If you PING an IP address, the PING utility will send four packets and stop.
If you add a -t to the end of the command, the PING utility will send packets continuously.

WINIPCFG and IPCONFIG

These tools find a computer’s IP configuration, MAC address, and default gateway.

WINIPCFG (for Windows 95/98)

1.

Select

Start

|

Run

and type

WINIPCFG

.

2.

The IP address, default gateway (the RF550VPN IP address), and the MAC (adapter
address) display.

IPCONFIG (for Window NT/2000)

1.

From a DOS Prompt, type

IPCONFIG

and press

Enter

.

2.

The IP address, default gateway (the RF550VPN address), and the MAC (adapter address)
display.

TRACERT

TRACERT is an extensive PING utility that allows you to trace the route of an IP address. The utility
reports the number of router hops, the time for each hop, and any failed attempts to cross a hop. The
information that is provided by this utility assists you to locate the specific site of a failed PING. You
can run TRACERT at the DOS prompt (e.g., c:\tracert www.yahoo.com). The utility will provide
information about the route and number of hops required to reach the destination IP address
associated with the network address or URL.

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Содержание RouteFinder RF550VPN

Страница 1: ...SOHO Internet Security Appliance Model RF550VPN User Guide ...

Страница 2: ...of such revisions or changes Revision Date Description A 11 26 01 Initial release B 01 25 02 Changes to some screen captures Formatting changes Renamed and modified the section entitled Configuring Your PC Added an Appendix to describe the SSH IPSec Client Setup C 05 17 02 New examples New screen captures SSH IPSec Sentinel new version v 1 3 Advanced features are discussed in the User Guide only D...

Страница 3: ...igating the Screens 19 Chapter 5 Configuring the RouteFinder Using a Web Browser 20 About the Browser Interface 20 Setup Wizard 22 Chapter 6 Managing the RouteFinder Using a Web Browser 33 Device Information 33 Device Status 34 Advanced Settings 37 System Tools 47 Chapter 7 Troubleshooting 54 Chapter 8 Frequently Asked Questions 57 Appendix A Specifications 60 Appendix B Installing TCP IP 61 Appen...

Страница 4: ...Appendix E Regulatory Compliance Information 66 FCC Part 15 Regulation 66 EMC Safety and R TTE Directive Compliance 67 Other Approvals 67 Appendix F Technical Support 68 Glossary 70 Index 75 ...

Страница 5: ...Internet accounts See the Glossary for more about NAT Key Features One WAN Ethernet port connects to a DSL or cable modem for shared Internet access Supports up to 5 IPSec VPN tunnels for secure LAN to LAN and Client to LAN access over the Internet 3DES encryption throughput of 700K bps Built in 4 port 10 100M bps switch Built in firewall and DHCP services with Network Address Translation NAT Prot...

Страница 6: ...g or leaving the local network Connects up to 253 Users to the Internet with Broadband Speed With the SOHO RouteFinder VPN up to 253 users are connected to the Internet with only one IP account LAN Segmentation For added LAN security the RouteFinder can be used to segment the LAN by connecting the corporate servers to one RouteFinder Ethernet port and the Internet Servers to the other Ethernet por...

Страница 7: ...000258C The four examples show A LAN to LAN VPN configuration between two RF550VPNs One at Site A and one at Site B Both RouteFinders use static IP address at their WAN port gateways A LAN to LAN VPN configuration between an RF550VPNs at Site A that uses a static IP through its WAN port and an RF550VPN at Site B that uses a dynamic IP address through its WAN port A LAN to LAN VPN configuration bet...

Страница 8: ...when the LAN client is connected at 10MB FDX COL Lights when the LAN client is connected as full duplex Off when the LAN client is connected as half duplex Blinks when there are collisions on the network Serial Data Blinks when the Serial async port is receiving or transmitting data Serial DCD Lights when the Serial async port is properly connected to a remote site WAN Link Lights when a successfu...

Страница 9: ...xDSL modem or cable modem Serial The Serial port connects a standard modem optional Reset The Reset button resets the router to factory defaults Press and hold button until the serial LEDs of the RF550VPN blink and then release the reset button Do not press this button unless you want to clear the current data Ports 1 4 There are 4 LAN ports You can connect network devices such as PCs FTP servers ...

Страница 10: ...al shock from lightening 6 Do not use the telephone to report a gas leak in the vicinity of the leak 7 To reduce the risk of fire use only No 26 AWG or larger Telecommunications line cord System Requirements Microsoft I E 4 0 or later version or Netscape Navigator 4 0 or later version One computer with an installed 10Mbps 100Mbps or 10 100Mbps Ethernet card One Modem or ISDN TA if a dialup backup ...

Страница 11: ...Start Guide Cabling the RouteFinder RF550VPN 1 Turn the power off on all network devices PCs cable modems DSL modems analog modems ISDN TAs and the router 2 Plug one end of a cable into the Ethernet port and other into one of the 4 LAN ports If you have more than one PC connect the others in the same way to the other LAN ports 3 If you are using an analog modem connect it to the RF550VPN s serial ...

Страница 12: ... Windows 98 Procedures may differ slightly in Windows Me For Windows 98 check to see that you have installed the Windows 98 patch dated August 1998 1 Click Start Settings Control Panel 2 Double click the Network icon 3 On the Configuration tab select the TCP IP protocol line associated with your network card adapter 4 If the TCP IP protocol line associated with your network card adapter is listed ...

Страница 13: ... Addresses are used in the Example Reference Guide in Example 2 Site B and Example 3 Site B To set a Fixed IP Address check Specify an IP address Fixed Addresses are used in the Example Reference Guide in all the examples except the two mentioned above For our example set the address to 192 168 2 x Click OK 8 You have completed the client settings Click OK to close out of the Network Control Panel...

Страница 14: ... Windows NT 1 Click Start Settings Control Panel 2 Double click the Network icon 3 The Network dialog box displays Click the Protocols tab Select the TCP IP protocol line associated with your network card adapter If TCP IP is not listed see Appendix B for installation directions 4 Click the Bindings tab ...

Страница 15: ...he Show Bindings for drop down list box select all adapters A list of all adapters displays on the lower part of the screen Double click the entry for your Ethernet card adapter This expands the list Verify that TCP IP Protocol is included in the list below your adapter name 6 TCP IP and your adapter are now setup ...

Страница 16: ...eck Obtain an IP Address Automatically Dynamic Addresses are used in the Example Reference Guide in Example 2 Site B and Example 3 Site B To set a Fixed IP Address check Specify an IP address Fixed Addresses are used in the Example Reference Guide in all the examples except the two mentioned above For our example set the address to 192 168 2 x Click OK 9 Close out of the Control Panel 10 Repeat th...

Страница 17: ...er Guide 17 If Your Operating System Is Windows 2000 XP 1 Click Start Settings Control Panel Double click the Network and Dial Up Connections icon 2 The Network and Dial Up Connections screen displays Right click the Local Area Connection icon and choose Properties ...

Страница 18: ...nternet Protocol TCP IP Properties dialog box displays You will set your workstation s IP Address To set a Dynamic IP Address check Obtain an IP Address Automatically Dynamic Addresses are used in Example 2 Site B and Example 3 Site B To set a Fixed IP Address check Specify an IP address Fixed Addresses are used in all the examples except the two mentioned above For our example set the address to ...

Страница 19: ...he Function Screens Buttons at the Top of the Screen These are the main function buttons They allow you to move from one function to another Device Information Device Status Setup Wizard Advanced Settings System Tools and Help Buttons on Side of the Screen These are submenus under some of the main functions When you select one of these buttons it will turn from red to blue denoting that this is no...

Страница 20: ...nsure that your information remains private Start the RF550VPN Configuration 1 Connect your workstation Be sure your workstation is connected to one of the RF550VPN s LAN ports 2 Apply power Apply power to the RF550VPN RouteFinder and allow the LEDs to stabilize on the unit 3 Set the workstation IP address The directions for setting your workstation IP address are covered in Chapter 3 4 Open a Web...

Страница 21: ...ype your network password Type admin admin is the default user name in the user name box Leave the password box empty Click OK The Setup Wizard screen displays Note To change your password select Advanced Settings and then choose Administrative Settings See Chapter 6 6 The Main Menu displays On the Main Menu click the Setup Wizard button ...

Страница 22: ...llowing screen is the first Setup Wizard screen From here you will follow a step by step process that lets you input all of the basic settings to configure your RF550VPN Time Zone Selection Select the time zone and then click the Next button to continue You can also click the buttons on the left side of the screen These buttons are useful when you want to change the information on individual scree...

Страница 23: ...e internal LAN IP address that you want to assign to the LAN port of the RF550VPN This is not the IP address from your ISP it is the local internal LAN IP address Device IP Address The default IP address of your RF550VPN 192 168 2 1 Device IP Subnet Mask The subnet mask can usually be left at its default of 255 255 255 0 Click the Next button ...

Страница 24: ... server or you can choose one of four options for manually inputting your IP settings 1 From the drop down list box select the type of settings you will be entering The default screen is Static IP Settings 2a Static IP Settings Use this screen when your ISP requires you to enter your ISP settings and you want to use static IP settings Enter the IP assigned by your ISP your IP Subnet Mask and your ...

Страница 25: ... Use this screen when your ISP requires you to enter your ISP settings and you want to use PPPoE settings Enter your User Name Password Retype the Password for verification and select your idle time Select your Connection Type by clicking on the desired connection type button Choose either Dynamic or Fixed This will determine how you IP address will be assigned A Dynamic IP address is one automati...

Страница 26: ...onnection ID or Name Select your Connection Type by clicking on the desired connection type button Choose either Dynamic or Fixed This will determine how you IP address will be assigned A Dynamic IP address is one automatically assigned by your ISP A Fixed IP address is an address that always stays the same You will have to enter the Fixed IP address assigned by your ISP and your IP Netmask Click ...

Страница 27: ...res you to manually setup DNS settings if your ISP requires this Then enter the DNS Domain Name Server address or addresses These can be left as 0 0 0 0 for a LAN to LAN RouteFinder connection 2 Check the box labeled Your ISP requires you to input Host Name or Domain Name if your ISP requires this Then enter the Host Name and the Domain Name 3 Check the box labeled Your ISP requires you to input W...

Страница 28: ...hen the cable or xDSL are not working To add the modem to your setup connect the modem and input the ISP account settings Enter your ISP Phone Number User Name Password Retype the Password for verification and select your idle time Select your Connection Type by clicking on the desired connection type button Enter your External IP Address Select your Baudrate Settings Enter your dialing strings Pr...

Страница 29: ...he VPN Settings detail screen will display see the next screen Once you have entered the settings the Connection Name displays on the lower half of the screen above 3 Click the checkbox if you want to Disable Internet Access VPN Tunnel Only 4 You can then edit delete or enable disable this connection by clicking the corresponding buttons 5 To enable this connection check the Enable box Note If you...

Страница 30: ...the Connection Name box Enter the following Name of VPN Setting Description Example Enable Disable UID Accept the default Disable UID When Disable is selected the Local and Remote IPSEC Identifier fields are not active Enable UID is an option for compatibility purposes only other IPSEC VPN gateways might require you to input a Local and Remote IPSec Identifier Disable ...

Страница 31: ...ation the Following Fields Display Secure Association Select IKE the default to set how inbound packets will be filtered IKE primarily encompasses router key exchange and the negotiation of security policy Selecting IKE activates the remaining input settings on this screen Perfect Forward Secure Check the Enabled button Encryption Protocol Select 3DES PreShared Key Enter the PreShared Key name You...

Страница 32: ...on the left hand side of the screen This will save all of the preceding settings and restart the device After the restart the device will function according to the saved settings During the save and restart process system messages will let you know that you have successfully configured the settings for the device and saved the settings You will see a status bar across the bottom of your browser sh...

Страница 33: ...anced Setup features Use Tools for managing the system Device Information Click the Device Information button The Device Information screen displays It shows the current setting of the RF550VPN Device Name The host name of the VPN gateway IP Address The IP address of the VPN gateway Private LAN Mac Address The Mac address of the VPN gateway LAN Ethernet port This address cannot be changed it is as...

Страница 34: ...odem Dialup and the Device IP addresses You can view other items by clicking the buttons on left side of the screen Device Status Screen Buttons WAN Ethernet This shows the current connection status of the Cable xDSL Modem When the Cable xDSL is connected the screen displays a message Cable xDSL Active Modem Dialup A modem can be used as a dialup backup for the Cable xDSL modem If this modem is th...

Страница 35: ...ick this button to view the IPSec connection status DHCP Log Click this button to view the current DHCP client information The information is displayed on the screen as illustrated on the Device Status screen above VPN Log Click this button to view the current VPN activity You will see a screen similar to this one ...

Страница 36: ...rs Use this option only when you receive a notification from your ISP provider saying that the account will be removed if an update is not performed If you receive such a notification from your ISP provider click the Update DDNS button When you click this button you will first receive the following warning To continue click the Yes button ...

Страница 37: ...e Enable DHCP Server Functions box IP Address Pool Range The IP address pool contains the range of the IP addresses that will automatically be assigned to the clients of your network The default setting is 192 168 2 2 to 192 168 2 100 WINS Server Address Enter the Primary and the Secondary WINS Server addresses IP Address Reservation You can use the IP address reservation option to give particular...

Страница 38: ...AN IP If this address is dynamically assigned then enter all zeroes You can use the IP mapping function to access an FTP server or Telnet server etc on your LAN via your ISP Internet connection Port numbers include FTP 20 21 Telnet 23 SMTP 25 DNS 53 TFTP 69 HTTP 80 POP3 110 News 144 SNMP 161 SNMP trap 162 Port Redirection If you want to route the Internet through the RF550VPN onto a port other tha...

Страница 39: ...e network to which you want to assign a static route Subnet Mask the Subnet Mask of your network IP address Gateway IP Address the IP address of the interface used to link to the remote network The entry displays in the lower half of the screen To change an entry click the Delete Del button and then re enter the information Dynamic Routing Dynamic Routing is a routing protocol that adjusts automat...

Страница 40: ...ermissions 2 Select the LAN side filter Block or Pass 3 Select the client filter settings Block or Pass 4 Select the protocol to be used from the Protocol drop down list box 5 Enter the client IP Address Range and Destination Port Range 6 Click the Add button The entry displays on the lower part of the screen 7 Continue adding table entries When complete click the Submit button Example To prevent ...

Страница 41: ...emote outside users have the permission to access the local network To activate check the WAN Side Filter Enabled box Then define the policy 1 Check the WAN Side Filter Enabled box to begin a list of users and permissions 2 Select the WAN side filter Block or Pass 3 Select the client filter settings Block or Pass 4 Select the protocol to be used from the Protocol drop down list box 5 Enter the cli...

Страница 42: ...50VPN HTTP Port Number The default value is 80 Allow Remote User to Configure the Device Check Box To give remote users the ability to configure and administrate the RF550VPN you have to check this box IP Address Type the RF550VPN WAN IP address into the browser of the specific PC on the network http 192 168 100 1 1023 http WAN IP Address Port Number Important Once the HTTP port number NOT Port 80...

Страница 43: ...Chapter 6 Managing the RouteFinder Using a Web Browser Multi Tech Systems Inc RF550VPN User Guide 43 ...

Страница 44: ...ust sign up with a DNS service provider in order to use this option To set up dynamic DNS check Use a dynamic DNS service All fields are required to be filled in Update Server Enter the name of your organization with the new DNS indicator members dyndns org members orgdns org Host Name Enter the name of the DNS provider dyndns org orgdns org Domain Name Enter the name of your domain org com User N...

Страница 45: ...er Settings can prevent user s from accessing certain Internet sites To enable this option check Enable URL Filter Functions Enter the name of the Internet address in the Filter String box Click the Add button The URL address then displays in the box in the middle of the screen Once the URL appears here you can delete one or all entries ...

Страница 46: ...when users have tried to access URLs that have been filtered see the screen on the previous page To enable this option check Turn E Mail Notification On Enter the name of your outgoing mail server Enter the email address of the person who receives this alert Indicate how often you would like the alert to be sent Click the Submit button not shown on this screen capture ...

Страница 47: ...s functions allow you to view the Intruder Detection Log the Routing Table and a System Diagnosis screen You can also choose to save your settings load the RF550VPN default settings upgrade firmware and reset the device Intruder Detection Log The event messages of the Intruder Detection Log show the possible hacker attacks that have occurred on your Internet gateway Up to 32 hacker attacks may be ...

Страница 48: ...n To exit this screen select another button on the left side of the screen System Diagnostics Click the System Diagnostics button from the System Tools screen to display the screen is on the next page When selected the System Diagnostics function performs a check up on your RF550VPN to make sure that everything is functioning properly This screen displays even when one component is not functioning...

Страница 49: ...Chapter 6 Managing the RouteFinder Using a Web Browser Multi Tech Systems Inc RF550VPN User Guide 49 ...

Страница 50: ... User Guide 50 Save Settings to a File Use this screen to save your configuration settings to a file This will provide a backup of your settings in case for some reason you have to reset your RF550VPN 1 Click the Save File button 2 Then click Save This File to Disk in the browsing wizard ...

Страница 51: ... screen The Load Default Settings screen displays Use this screen to load the original RF550VPN factory defaults Click the Start button to load the default settings Load Settings from a File 1 To load settings from a file click the Load Settings from File button under Load Settings The screen displays 2 Select the browse button to locate the file 3 When the file is located click the Start button ...

Страница 52: ...N How will I be notified of new router firmware upgrades All Multi Tech firmware upgrades are posted on the Multi Tech Web site at www multitech com where they can be downloaded for free Your Router does NOT need the latest firmware upgrade if your Internet connection is already successful as firmware upgrades will not increase your connection speed or enhance your Router s performance 1 Use the b...

Страница 53: ...from the System Tools screen The Reset Device screen displays Resetting the device will restart it Click on the Start button to reset the device A warning message displays before the reset process starts Note Another way to reset the device is to push the reset button on the back panel of the RouteFinder until the serial LEDs blink and then release the reset button ...

Страница 54: ...ou call Technical Support Problem 1 Other computers can connect to the network device but my computer can t Whenever I click on Internet Explorer or Netscape I see the Windows Dial up utility popping up on my screen asking for my phone number and password to dial up my ISP Remove the TCP IP dial up adapter from all computers that will be using your RouteFinder to access the Internet TCP IP dial up...

Страница 55: ...ation string Problem 4 My RouteFinder dials up a connection but can t seem to communication with the ISP Verify that your baud rate is not set too high for your modem or ISDN TA The maximum baud rate that your modem or ISDN claims it can achieve may not be attainable due to poor line or connection quality Use the RouteFinder Web browser management interface to set the baud rate to a lower rate and...

Страница 56: ...f this feature is enabled Outlook will send a request for your Internet POP3 server which will cause your RF550VPN to dial up your ISP To determine which computer on your network is processing a request for an Internet connection use the RouteFinder Web browser management interface The event messages will provide information about which computer is causing the RF550VPN to dial and which service po...

Страница 57: ...to sensing Fast Ethernet 10 100 switch on the LAN side of the router What Is Network Address Translation and How Is It Used Network Address Translation NAT translates multiple IP addresses on the private LAN to one public address that is sent out to the Internet This adds a level of security since the address of a PC connected to the private LAN is never transmitted on the Internet Furthermore NAT...

Страница 58: ...s are compatible with the router The Router is compatible with any cable modem or DSL modem that supports Ethernet What are the advanced features of the Router They include asynchronous port dial up backup VPN pass through hacker attack logging and Virtual server See Chapter 1 for a complete list What is the maximum number of VPN sessions allowed by the router Five How do I access the Router s set...

Страница 59: ...ill I be notified of new router firmware upgrades All Multi Tech firmware upgrades are posted on the Multi Tech Web site at www multitech com where they can be downloaded for free Your Router does NOT need the latest firmware upgrade if your Internet connection is already successful as firmware upgrades will not increase your connection speed or enhance your Router s performance Does the Router su...

Страница 60: ... IPSec PPTP pass through VPN Protocol IPSec with IKE key management 3DES Encryption 168 bit 700K bps throughput Number of Tunnels 5 Firewall Port and IP Filtering Denial of Service Protection DoS Network Address Translation NAT and Virtual Server Management Local and Remote Management Logging Web Based HTTP Syslog Dimensions 201 x 151 x 44 mm L x W x H 7 1 x 4 9 x 1 4 Weight 380g 13 oz Temperature...

Страница 61: ...rk icon In the Network dialog box Configuration tab click the Add button 2 Select Protocol and click Add 3 The Select Network Protocol dialog box displays In the Manufacturers box select Microsoft and then select TCP IP in the Network Protocols box 4 Click OK and you will be returned to the Network dialog box Click OK to close out of the Network dialog box 5 Allow your system to reboot ...

Страница 62: ... icon In the Network dialog box click the Protocols tab and click the Add button This screen shows TCP IP already installed 2 The Select Network Protocol screen displays Select TCP IP and follow the on screen instructions to complete installation 3 Allow your system to reboot Windows 2000 XP TCP IP is automatically installed in Windows 2000 and Windows XP ...

Страница 63: ... a computer s IP configuration MAC address and default gateway WINIPCFG for Windows 95 98 1 Select Start Run and type WINIPCFG 2 The IP address default gateway the RF550VPN IP address and the MAC adapter address display IPCONFIG for Window NT 2000 1 From a DOS Prompt type IPCONFIG and press Enter 2 The IP address default gateway the RF550VPN address and the MAC adapter address display TRACERT TRAC...

Страница 64: ...AGES AND UNDER NO CIRCUMSTANCES WILL ITS LIABILITY EXCEED THE PRICE FOR DEFECTIVE PRODUCTS Repair Procedures for U S and Canadian Customers In the event that service is required products may be shipped freight prepaid to our Mounds View Minnesota factory Multi Tech Systems Inc 2205 Woodale Drive Mounds View MN 55112 Attn Repairs Serial ____________ A Returned Materials Authorization RMA is not req...

Страница 65: ...S A Please include inside the shipping box a description of the problem a return shipping address must have street address not P O Box your telephone number and if the product is out of warranty a check drawn on a U S bank or your company s purchase order for repair charges Repaired units shall be shipped freight collect unless other arrangements are made in advance Please direct your questions re...

Страница 66: ...he user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Plug the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with Part 1...

Страница 67: ...of 3 May 1989 on the approximation of the laws of Member States relating to electromagnetic compatibility and Council Directive 73 23 EEC of 19 February 1973 on the harmonization of the laws of Member States relating to electrical equipment designed for use within certain voltage limits and Council Directive 1999 5 EC of March 1999 on radio equipment and telecommunications terminal equipment and t...

Страница 68: ...ne calls are handled with first priority Contacting Technical Support Country Using Email By Phone France support multitech fr 33 1 64 61 09 81 India support multitechindia com 91 124 340778 U K support multitech co uk 44 118 959 7774 Rest of World support multitech com 800 972 2439 U S Canada or 763 785 3500 Recording RouteFinder Information Before placing a call to our Technical Support staff re...

Страница 69: ...ernet Multi Tech System Inc maintains a Web and an FTP site at http www multitech com ftp ftp multitech com Ordering Accessories SupplyNet Inc can provide you with replacement transformers cables and connectors for select Multi Tech products You can place an order with SupplyNet via mail phone fax or the Internet at Mail SupplyNet Inc 614 Corporate Way Valley Cottage NY 10989 Phone 800 826 0279 Fa...

Страница 70: ... DHCP Dynamic Host Configuration Protocol A protocol that was made to lessen the administrative burden of having to manually configure TCP IP Hosts on a network DHCP makes it possible for every computer on a network to extract its IP information from a DHCP server instead of having to be manually configured on each network computer The DHCP server built in to your RouteFinder allows every computer...

Страница 71: ...mines each message and blocks those that do not meet the specified security criteria Firmware Software that has been has been permanently or semi permanently written to the RouteFinder s memory Your RouteFinder supports flash ROM which means you can upgrade the firmware in your network device very easily by downloading a copy of the new firmware from the Multi Tech Web site and using the RouteFind...

Страница 72: ... such as dial up accounts e mail web hosting or News L LAN Local Area Network A data network intended to serve an area of only a few square kilometers or less This often means a small private network in companies M ML PPP Also called MP or MPPP Stands for Multilink Point to Point Protocol and is an advancement of the PPP protocol that allows for the bridging or bundling of two ISDN or analog chann...

Страница 73: ...rt number 80 and the standard Telnet port is 23 Port numbers are controlled and assigned by the IANA Internet Assigned Numbers Authority Most computers have a table in their systems containing a list of ports that have been assigned to specific services You can also find lists of standard port numbers on the World Wide Web PPPoE Point to point protocol over the Ethernet It is a means of connecting...

Страница 74: ... a private network to the Internet requires using registered IP addresses to avoid duplication The four groups of numbers octets are used to identify a particular network and host on that network The InterNIC assigns Internet addresses as Class A Class B or Class C Class A supports 16 million hosts on each of 127 networks Class B supports 65 000 hosts on each of 16 000 networks Class C supports 25...

Страница 75: ...ain Name 70 DomainNameSystem 70 DoS 6 Dynamic DNS Settings 44 Dynamic Host Configuration Protocol 70 Dynamic Routing 71 E E Mail Alert 46 EMC Safety and R TTE Directive Compliance 67 Encryption 71 Ethernet 71 F FCC Part 15 Regulation 66 File Transfer Protocol 71 Filtering 6 71 Firewall 71 Firewall Features 60 Firmware 52 71 firmware upgrade notification 52 Frequently Asked Questions 57 Front Panel...

Страница 76: ...eset Device 53 Router 73 Routing Table 48 S Safety Warnings 10 Save and Restart 32 Save Settings to a File 50 Secure VPN Connections 6 Server 74 Specifications 60 Static Routing 39 74 Subnet 74 SubnetMask 74 System Administration 42 System Diagnosis 48 System Log 42 System Requirements 10 System Tools 47 T TCP IP 74 Technical Support 68 Temperature 60 TRACERT 63 Triple DES 3DES 74 Troubleshooting ...

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