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Contents
v1.0, March 2008
Configuring the WAN Mode
..........................................................................................
2-15
Configuring Dynamic DNS (If Needed)
.........................................................................
2-16
Chapter 3
LAN Configuration
Configuring Your LAN (Local Area Network)
..................................................................
3-1
Using the VPN Firewall as a DHCP Server
..............................................................
3-1
Configuring Multi-Home LAN IPs
.............................................................................
3-4
Managing Groups and Hosts
..........................................................................................
3-6
Creating the Network Database
...............................................................................
3-6
Setting Up Address Reservation
............................................................................
3-10
Configuring Static Routes
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3-10
Static Route Example
.............................................................................................
3-11
RIP Configuration
...................................................................................................
3-12
Chapter 4
Firewall Protection and Content Filtering
About Firewall Security
...................................................................................................
4-1
Using Rules to Block or Allow Specific Kinds of Traffic
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4-1
Services-Based Rules
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4-2
Outbound Rules (Service Blocking)
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4-2
Inbound Rules (Port Forwarding)
......................................................................
4-4
Order of Precedence for Firewall Rules
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4-6
Setting LAN WAN Rules
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4-7
LAN WAN Outbound Services Rules
.......................................................................
4-8
LAN WAN Inbound Services Rules
..........................................................................
4-9
Attack Checks
........................................................................................................
4-10
Session Limit
..........................................................................................................
4-12
Inbound Rules Examples
.......................................................................................
4-13
Hosting A Local Public Web Server
.................................................................
4-13
Allowing Videoconference from Restricted Addresses
....................................
4-14
Setting Up One-to-One NAT Mapping
.............................................................
4-15
Specifying an Exposed Host
............................................................................
4-17
Outbound Rules Example – Blocking Instant Messenger
......................................
4-18
Adding Customized Services
........................................................................................
4-18
Specifying Quality of Service (QoS) Priorities
..............................................................
4-20
Setting a Schedule to Block or Allow Traffic
.................................................................
4-21