RE: ISA 2004 Blocking LAN Traffic
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Fri, 17 Sep 2004 21:32:38 -0500
Hi Stephen,
How many networks do you have behind the same interface of the ISA
firewall?
Thanks!
Tom
-----Original Message-----
From: Stephen Herrera [mailto:sherrera@xxxxxxxxxx]
Sent: Thursday, September 16, 2004 11:02 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA 2004 Blocking LAN Traffic
http://www.ISAserver.org
I have been testing ISA2004 for a few weeks now to replace my existing
ISA 2000 servers. Everything has been going very well but I was testing
while no users were on the network.
Yesterday I put the ISA 2004 server in place of my Internal ISA 2000
Server (back to back setup) and the network came to a screeching halt. I
had tested and configured all the basics (http, mail, ftp, etc.) while
it was just myself and everything was fine. When all users were on the
network they were working spotty.
I checked the logs and noticed that a lot of internal network talking
(DNS, NetBios, LDAP, etc) was being blocked between internal clients and
the domain controllers. Even the domain controllers were being blocked
from communicating with each other. I have checked isaserver.org and MS
knowledge base but can't find anything like this happening. For a quick
fix I tired creating a rule that allows all traffic from internal to
internal but that didn't seem to work. Any idea what I might have
configured wrong?
Steve
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