RE: RPC Over HTTP througn ISA 2004

  • From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Sat, 16 Jul 2005 11:35:34 -0700

99 times out of 10, a "403" response indicates a mismatch between the
rule data and the requested URL.

Take a look in the MANY articles on www.microsoft.com/isaserver/guidance
and www.isaserver.org <http://www.isaserver.org/>  for instructions on
how to set up RPC/HTTP through ISA.

 

________________________________

From: Syed, Mohsin Ali [mailto:SMohsin@xxxxxxxxx] 
Sent: Saturday, July 16, 2005 4:12 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RPC Over HTTP througn ISA 2004

 

http://www.ISAserver.org

 

Hi , 

 

I am facing problem with the RPC over HTTP (outlook client doesn't work
from outside)

 

My scenario 

FE_Exchg and BE_Exchg are in the internal network, ISA 2004 is in the
DMZ. 

 

1) Configured OWA and RPC Over Http.  OWA Works fine from outside,
facing problems with the RPC, it doesn't connect, 

 

Configured 2 ext IP on the ISA, one listener is listening for OWA (with
forms based auth) and other listener is listening on other IP for RPC
(Basic Auth) 

I have tested RPC Over HTTP Internally, it connects through TCI/IP
Connection, certificate is exported and imported to the ISA from
exchg_frontend server (web site certificate), internally it doesn't
connect through HTTPS(in outlook) , I checked with Outlook /RPCDIAG it
shows that TCIP/IP Connection Established, 

 

From browser I tested for the RPC, when I put https://exchange
(front-end server) /rpc it asks for the authentication and it gives the
403 Error, 

https:mail.domaina.com/exchange (internally works fine and OWA from out
side works fine) 

 

 

Does any have the step-by-step configuration to publish OWA and RPC Over
http on ISA 2004, or if any tools to check the RPC connection
internally.

 

Appreciate your help 

 

Regards

M o h s i n 

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