RE: ISA 2004 blocking XP local loopback

  • From: "Young, Gerald G" <Gerald.Young@xxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 13 Jan 2006 12:29:36 -0600

Is ISA sitting on the XP workstation?  Since 127.0.0.1 only ever refers
to itself (every box has a 127.0.0.1 IP bound to its NIC), if ISA is on
a different box than the XP workstation, something else is occurring
that is local to the ISA box.

 

Check your network elements in ISA and see what network element
127.0.0.1 falls into.  My guess is that you don't have a rule allowing
the network element to talk to itself.

Cordially yours, 
Jerry G. Young II 
  MCSE (4.0/W2K) 
Atlanta EES Implementation Team Lead 
HHS Engineering 
Unisys 
  
11493 Sunset Hills Rd. 
Reston, VA 20190 
Office: 703-579-2727 
Cell: 703-625-1468 

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________________________________

From: Eric Poole [mailto:EPoole@xxxxxxxxxxxxxxxxxxxx] 
Sent: Friday, January 13, 2006 1:15 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA 2004 blocking XP local loopback

 

http://www.ISAserver.org



Ok, I've been looking for the answer to this for about 45min.  Why would
ISA 2004 block a workstation from getting to 127.0.0.1?  Same
workstation going through ISA 2000 is able to access it's local
loopback.  Someone enlighten me please!

_______________________________________________ 
Eric Poole, CISSP 
Senior Information Security Analyst 
Community Medical Centers <http://communitymedical.org/>  
1140 "T" Street, Fresno, California 93721 
559-459-6784 (phone) 559-459-2045 (fax) 


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