ISA Server 2004 Configuration Guide 101
Firewall Policy Description
The following access rules will be created:
1. Allow HTTP, HTTPS, FTP from Internal Network and VPN
Clients Network to the External Network (Internet)
2. Allow DNS from Internal Network, VPN Clients Network and
Perimeter Network to External Network (Internet)
3. Allow all protocols from VPN Clients Network to Internal
Network
Allow unrestricted
access
Allow all types of access to the Internet through the firewall. The
firewall will prevent access from the Internet to the protected
networks. Use this option when you want to allow all Internet
access. You can modify this policy later to block some types of
network access.
The following rules will be created:
1. Allow all protocols from Internal Network and VPN Clients
Network to External Network (Internet) and Perimeter Network
2. Allow all protocols from VPN Clients to Internal Network
Perform the following steps to use the 3-Leg Perimeter network template:
1. Open the Microsoft Internet Security and Acceleration Server 2004 management
console and expand the server name. Expand the Configuration node and click on the
Networks node.
2. Click the Networks tab in the Details pane and then click the Templates tab in the Task
pane. Click on the 3-Leg Perimeter network template.