IPSec Filtering

From: Tom (anonymous_at_discussions.microsoft.com)
Date: 07/27/04 

Date: Tue, 27 Jul 2004 02:59:51 -0700

Hello
I have 3 Web servers on which I need to apply
filters,..port filtering and Ipsec filtering.
I am running Win2000 advanced servers in an Active
Directory DNS domain and I have two nics in each server.
Nic1 allows traffic in and Nic2 allows traffic to flow and
communicate with the other servers.
The Port filtering is fine has I only need to allow Port
80 traffic through one Nic1.
When setting up IPSec filtering on these servers, I assume
extra care must be taken not to filter Win200 ports
specific to AD and DNS (ie. TCP Port 53 etc).
Is there a list of ports that shows what's needed for FULL
AD functionality or examples of IPSec anywhere..?

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