RE: ISA and subnets...
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 9 Sep 2003 19:57:41 -0500
Hi Ryan,
Firewall policy isn't applied to the internal interfaces of the ISA
firewalls, so you probably would not benefit from ISA's method of access
control if you need to firewall internal network segments from one
another.
HTH,
Tom
Thomas W Shinder
www.isaserver.org/shinder
ISA Server and Beyond: http://tinyurl.com/1jq1
Configuring ISA Server: http://tinyurl.com/1llp
-----Original Message-----
From: Ryan [mailto:rpriest@xxxxxxxxx]
Sent: Tuesday, September 09, 2003 11:08 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA and subnets...
http://www.ISAserver.org
I am just getting started looking into using ISA as a potential FW
solution. Someone mentioned to me that you cannot have multiple subnets
protected from each other on one or two (load balanced) ISA servers --
you'd have to have a separate ISA server for each subnet. Is this true?
I
would like to implement a pair of load balanced ISA servers, but as I
have
4 subnets that require varying degrees of segregation, I would need 4-8
ISA servers (1-2 per subnet). Will ISA not handle multiple subnets - 1
for
each NIC? I have read some MS literature that mentions multi-homming for
a
DMZ, but does not go beyond 2 subnets. Does anyone have any experience
with using 1 ISA server with 3, 4 or more subnets?
Any advice is appreciated, thanks.
-Ryan
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