RE: ISA preventing external clients from downloading exe files from internal web server

  • From: Jim Harrison <jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Mon, 29 Sep 2003 05:49:40 -0700

404 is just a bad link.
I've run afoul of the UR

  Jim Harrison
  MCP(NT4, W2K), A+, Network+, PCG
  http://isaserver.org/Jim_Harrison/
  http://isatools.org
  Read the help / books / articles!


On Sun, 28 Sep 2003 23:32:28 -0500
 "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx> wrote:
http://www.ISAserver.org


Hi Jim,

That's what was really strange about this case. When I went to the site
(when it wasn't working) I was getting 404s returned, not 502 or 12202.

I'll have to see if I can replicate this, it just gets stranger and
stranger.

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: Jim Harrison [mailto:jim@xxxxxxxxxxxx] 
Sent: Sunday, September 28, 2003 11:09 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA preventing external clients from downloading
exe files from internal web server


http://www.ISAserver.org


Actually, no.
URLScan causes ISA to return a 502 and 12202.

  Jim Harrison
  MCP(NT4, W2K), A+, Network+, PCG
  http://isaserver.org/Jim_Harrison/
  http://isatools.org
  Read the help / books / articles!


On Sun, 28 Sep 2003 09:53:59 -0500
 "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx> wrote:
http://www.ISAserver.org


Hi Jim,

But would that give a 404? I would expect an access denied, but I've
never investigated it and who knows.

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: Jim Harrison [mailto:jim@xxxxxxxxxxxx] 
Sent: Sunday, September 28, 2003 8:36 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA preventing external clients from downloading
exe files from internal web server

http://www.ISAserver.org


Do you have URLScan installed on theat ISA?
That can also block executables.

  Jim Harrison
  MCP(NT4, W2K), A+, Network+, PCG
  http://isaserver.org/Jim_Harrison/
  http://isatools.org
  Read the help / books / articles!


On Sat, 27 Sep 2003 23:49:19 -0600
 "Brian Reeves" <bjr@xxxxxxxxxxxxxx> wrote:
http://www.ISAserver.org


I assure you that they are there.  We made a copy of one of the files
and
then added an extra character at the end of the file name to change it
from exe to exe_ and then it would work which led us to a possible Site
and Content Rule that was causing the problem, but the rules allow all
content types and there are no rules to deny any tyupe of content.  This
problem only occurs when the file extension is EXE.

I was working with a consulting firm and they can't figure out what is
going wrong either, which is why I turned to this board for help before
I
go and dish out $250 for Microsoft to try and figure it out.

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