RE: Internal WAN
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 21 Nov 2005 19:18:07 -0600
Hi Andy,
From what I can make out from the figure, network Y is behind the same
ISA firewall interface as Network X. This means that both networks are
part of the same ISA firewall Network. All addresses behind the same ISA
firewall interface are part of the same ISA firewall Network. So, you'll
need to include all addresses in networks Y and X in the definition of
the same ISA firewall network, which in this case I"m guessing is the
default Internal Network.
HTH,
Tom
Thomas W Shinder, M.D.
Site: www.isaserver.org <http://www.isaserver.org/>
Blog: http://spaces.msn.com/members/drisa/
Book: http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7>
MVP -- ISA Firewalls
________________________________
From: Andy Haigh [mailto:ahaigh@xxxxxxxxxxxxxxxx]
Sent: Monday, November 21, 2005 5:22 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Internal WAN
http://www.ISAserver.org
I have just upgraded a server to use ISA 2004 and have run into
a problem.
On the old ISA 2000 server had some static routes configured to
other networks which are connected via a router on the internal network,
this worked fine.
Now that we have installed the ISA 2004 server we are unable to
access the other networks due to the stricter rules set now used. I have
tried adding a rule to allow the traffic to the other LAN's but think I
have confused myself. The network is as below
Internet-----------ISA 2004 -------LAN X
(172.22.4.0/24)----------Router A--------------WAN------------Router
B------------LAN Y (172.22.11.0/24)
What would be the best way to set the rules up to allow traffic
from LAN Y to the ISA 2004 server.
I also have a SBS 2003 site which we are about to upgrade to SP1
which will require this. The SBS box currently is configured as the
default gateway for the clients and they have an application which is
required to be routed via the clients internal WAN.
Thanks
Andy
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