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vi
Contents
Verifying Connections
.....................................................................................................
2-7
Chapter 3
Preparing Your Network
Preparing Your Personal Computers for IP Networking
.................................................
3-1
Configuring Windows 95, 98, and ME for IP Networking
................................................
3-2
Install or Verify Windows Networking Components
..................................................
3-2
Assign TCP/IP configuration by DHCP
....................................................................
3-4
Selecting Internet Access Method
............................................................................
3-4
Verifying TCP/IP Properties
.....................................................................................
3-5
Configuring Windows NT or 2000 for IP Networking
......................................................
3-5
Install or Verify Windows Networking Components
..................................................
3-5
Verifying TCP/IP Properties
.....................................................................................
3-6
Configuring the Macintosh for IP Networking
.................................................................
3-6
MacOS 8.6 or 9.x
...............................................................................................
3-7
MacOS X
...........................................................................................................
3-7
Verifying TCP/IP Properties (Macintosh)
..................................................................
3-8
Your Internet Account
.....................................................................................................
3-8
Login Protocols
........................................................................................................
3-9
Account Information
.................................................................................................
3-9
Obtaining ISP Configuration Information (Windows)
.......................................
3-10
Obtaining ISP Configuration Information (Macintosh)
.....................................
3-11
Restarting the Network
.................................................................................................
3-11
Ready for Configuration
................................................................................................
3-12
Chapter 4
Basic Configuration
Accessing the Web Configuration Manager
...................................................................
4-1
Configuration using the Setup Wizard
............................................................................
4-4
Configuring for Dynamic IP Account
........................................................................
4-5
Configuring for Fixed IP Account
.............................................................................
4-6
Configuring for an Account with Login
.....................................................................
4-7
Manual Configuration
.....................................................................................................
4-8
Completing the Configuration
.........................................................................................
4-9
Chapter 5
Security
What is a Firewall
...........................................................................................................
5-1
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Contents
vii
Security Log
....................................................................................................................
5-2
Examples of log messages
......................................................................................
5-4
Activation and Administration
............................................................................
5-4
Dropped Packets
...............................................................................................
5-4
Block Sites
......................................................................................................................
5-5
Rules
..............................................................................................................................
5-6
Inbound Rules (Port Forwarding)
.............................................................................
5-8
Inbound Rule Example: A Local Public Web Server
..........................................
5-9
Inbound Rule Example: Allowing Videoconference from Restricted Addresses 5-10
Considerations for Inbound Rules:
..................................................................
5-10
Outbound Rules (Service Blocking)
.......................................................................
5-11
Following is an application example of outbound rules:
..................................
5-11
Outbound Rule Example: Blocking Instant Messenger
...................................
5-11
Order of Precedence for Rules
..............................................................................
5-12
Default DMZ Server
...............................................................................................
5-12
Respond to Ping on Internet WAN Port
.................................................................
5-13
Services
........................................................................................................................
5-14
Schedule
.......................................................................................................................
5-16
Time Zone
........................................................................................................
5-17
E-Mail
...........................................................................................................................
5-18
Chapter 6
Wireless
Wireless Settings
............................................................................................................
6-2
Identification
......................................................................................................
6-2
Options
..............................................................................................................
6-3
Access Point
......................................................................................................
6-3
Configuring WEP (Wired Equivalent Privacy)
.................................................................
6-4
Restricting Wireless Access by MAC Address
...............................................................
6-5
Additional Notes
.............................................................................................................
6-6
Security
....................................................................................................................
6-6
Placement and Range
..............................................................................................
6-6
Chapter 7
Print Server
Network Printing from Windows
.....................................................................................
7-1
Installing the PTP Driver
..........................................................................................
7-1
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Contents
Printer Management
..........................................................................................
7-3
Port Options
.......................................................................................................
7-3
LPD/LPR Printing from Windows
.............................................................................
7-4
Windows NT 4.0 Server Configuration
..............................................................
7-5
Client PC Setup for LPD/LPR Printing
...............................................................
7-7
Network Printing from the Macintosh
..............................................................................
7-9
MacOS 8 or 9 Configuration
.....................................................................................
7-9
MacOS X Configuration
.........................................................................................
7-10
Network Printing from Linux
.........................................................................................
7-10
Troubleshooting the Print Server
..................................................................................
7-10
Chapter 8
Maintenance
System Status
.................................................................................................................
8-1
Attached Devices
............................................................................................................
8-4
Changing the Administration Password
..........................................................................
8-4
Configuration File Settings Management
.......................................................................
8-5
Restore and Backup the Configuration
....................................................................
8-6
Erase the Configuration
...........................................................................................
8-6
Router Upgrade
..............................................................................................................
8-7
Diagnostics
.....................................................................................................................
8-8
Ping an IP Address
..................................................................................................
8-8
Perform a DNS Lookup
............................................................................................
8-8
Display the Routing Table
........................................................................................
8-9
Reboot the Router
....................................................................................................
8-9
Chapter 9
Advanced Configuration
Dynamic DNS
.................................................................................................................
9-1
LAN IP Setup
..................................................................................................................
9-3
LAN TCP/IP Setup
...................................................................................................
9-3
MTU Size
.................................................................................................................
9-5
DHCP
.......................................................................................................................
9-5
Use router as DHCP server
...............................................................................
9-5
Reserved IP adresses
.......................................................................................
9-6
Static Routes
..................................................................................................................
9-6
Static Route Example
...............................................................................................
9-8
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Contents
ix
Remote Management
.....................................................................................................
9-9
Chapter 10
Troubleshooting
Basic Functioning
.........................................................................................................
10-1
Power LED Not On
.................................................................................................
10-2
Test LED Never Turns On or Test LED Stays On
...................................................
10-2
Local or Internet Port Link LEDs Not On
................................................................
10-2
Troubleshooting the Web Configuration Interface
........................................................
10-4
Troubleshooting the ISP Connection
............................................................................
10-5
Troubleshooting a TCP/IP Network Using a Ping Utility
...............................................
10-6
Testing the LAN Path to Your Firewall
....................................................................
10-6
Testing the Path from Your PC to a Remote Device
..............................................
10-7
Restoring the Default Configuration and Password
......................................................
10-8
Using the Default Reset button
..............................................................................
10-8
Problems with Date and Time
.......................................................................................
10-8
Appendix A
Technical Specifications
Appendix B
Networks, Routing, and Firewall Basics
Basic Router Concepts
..................................................................................................
B-1
What is a Router?
...................................................................................................
B-1
Routing Information Protocol
...................................................................................
B-2
IP Addresses and the Internet
.................................................................................
B-2
Netmask
..................................................................................................................
B-4
Subnet Addressing
..................................................................................................
B-5
Private IP Addresses
...............................................................................................
B-7
Single IP Address Operation Using NAT
.................................................................
B-8
MAC Addresses and Address Resolution Protocol
.................................................
B-9
Domain Name Server
..............................................................................................
B-9
IP Configuration by DHCP
....................................................................................
B-10
Internet Security and Firewalls
....................................................................................
B-10
What is a Firewall?
................................................................................................
B-10
Stateful Packet Inspection
......................................................................................
B-11
Denial of Service Attack
.........................................................................................
B-11
Wireless Networking
....................................................................................................
B-12
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Contents
Wireless Network Configuration
............................................................................
B-12
Ad-hoc Mode (Peer-to-Peer Workgroup)
........................................................
B-12
Infrastructure Mode
........................................................................................
B-12
Extended Service Set Identification (ESSID)
........................................................
B-13
Authentication and WEP Encryption
.....................................................................
B-13
Wireless Channel Selection
..................................................................................
B-14
Ethernet Cabling
..........................................................................................................
B-15
Uplink Switches and Crossover Cables
................................................................
B-16
Cable Quality
.........................................................................................................
B-16
Glossary
Index

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