RE: Host Server Unreachable
- From: "Wayne Berry" <wayne@xxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 21 Apr 2005 12:58:12 -0700
Jim,
Unless the Internal resource is across a VPN like in my case. Ok, just got
off the phone with Microsoft. Here is the problem:
1) I needed to uncheck Web Proxy Filter in the HTTP protocol rules.
Basically, I didn't have my browser set to use ISA 2004 as a proxy, I was
using it as a gateway for my client and I guess for some reason you don't
need the web proxy filter.
Which is really odd, since external worked, just not the VPN network.
Support thought it might be related to not having the external IP of the
destination gateway of the VPN in my IP for the VPN network on the ISA 2004
server however adding it didn't help.
-Wayne
-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Thursday, April 21, 2005 12:49 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Host Server Unreachable
http://www.ISAserver.org
Your definition is a waste.
There is no reason to force internal clients through ISA to internal
resources.
-------------------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
-------------------------------------------------------
-----Original Message-----
From: Wayne Berry [mailto:wayne@xxxxxxxxxx]
Sent: Thursday, April 21, 2005 11:43
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Host Server Unreachable
http://www.ISAserver.org
Dan,
The guy at Microsoft support said that there are two sessions with a
proxy
connection like would happen with HTTP, however the connections are made
on
the networks that are involved and not from Local Host. So in my case
it is
the Internal and Remote networks. Which means that if I am connecting
from
the Internal network with the ISA proxy the local host doesn't need
access
to the Remote network. My definition of proxy in this case is two
connection, client to ISA and ISA to web server, not a bridge.
-Wayne
-----Original Message-----
From: Ball, Dan [mailto:DBall@xxxxxxxxxxx]
Sent: Thursday, April 14, 2005 11:42 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Host Server Unreachable
http://www.ISAserver.org
The ISA server itself is referred to as "Local Host" as far as policies
is concerned. If you don't have a policy to allow you to connect from
the ISA server to your webserver, you will need to add one. The
computers on your internal network probably are contacting the server
directly if they are on the same subnet.
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