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From: Christian Hampson (champsonhampsonservices.com)
Date: Mon Jun 10 2002 - 12:19:29 CDT
It would appear that you have an ISA server that is (practically) set up
only as a proxy server. From what you have described, your external
router is translating addresses and proiding any security you may have.
On the plus side, however, anyone who manages to gain control of your
ISA server will have no more power than they did before.
I personally would find it necessary to add a NIC, move translation to
the ISA server and place the ISA server between the router and your
internal network. Otherwise your company has wasted whatever money they
spent on ISA.
Christian Hampson, MCSE, CISSP
From: miloskv1netscape.net [mailto:miloskv1netscape.net]
Sent: Monday, June 10, 2002 05:03
Subject: Help me and my ISA server
I've just got a job as a system administrator in one company which have
ISA 2000 server in it. When I look at the configuration of my isa server
I saw that it has only one network adapter connected to the public range
of IP adressess on my network. Internal client are comming from my
private range (192.168.x.x) through win2000 router 192.168.x.x /
194.x.x.x and comming to my ISA server one and only NIC 194.x.x.140.
Something like this
I saw that lot of people use my ISA server as their proxy (people from
internet). I went to microsoft web site and saw that minimal
requirements for ISA 2000 (In integrated mode) are two network adapters
(one for private one for public). So I think LAT table in my case is
useless... Am I Right???? I want to know if this is real problem (My ISA
is exploited becouse of stupidity of an ex-administrator (guy before me
who installed ISA2000) Any help will be great and any questions or
suggestions will help me a lot. Thanks for your time and everything you
have allready done for me and my knowledge.
Milos K. V. , System Administrator
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