[isalist] Re: Error 502 in browsed site
- From: Jim Harrison <Jim@xxxxxxxxxxxx>
- To: "isalist@xxxxxxxxxxxxx" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 14 Feb 2008 17:17:01 -0800
http://www.ISAserver.org
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Let's make this even more fun.
The same response packet that includes a buggered header also specifies:
chunkSize: 1220
..but the data chunk weighs in at a measly 985 bytes; 235 bytes short.
Even if you were to add the chunk management bytes to the total (you wouldn't),
it's still short quite a few.
ISA is right to round-file this response; it's poopy-ka-ka.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Thomas W Shinder
Sent: Thursday, February 14, 2008 4:04 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Error 502 in browsed site
Ah, the lovely typos you get when using a CLI interface :)
Thomas W Shinder, M.D.
Site: www.isaserver.org <http://www.isaserver.org/>
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7>
MVP -- Microsoft Firewalls (ISA)
________________________________
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Jim Harrison
Sent: Thursday, February 14, 2008 5:24 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Error 502 in browsed site
Yep - it's another Crapache server with "customized" headers:
- Http: Response, HTTP/1.1, Status Code = 200, URL: /cgi-gre/LI_login
- Response: 0x1
ProtocolVersion: HTTP/1.1
StatusCode: 200, Ok
Reason: OK
Date: Thu, 14 Feb 2008 18:11:17 GMT
Server: Apache/1.3.34 (Unix) mod_ssl/2.8.25 OpenSSL/0.9.7i
Set-Cookie: INVPKT=Y; path=/
Set-Cookie: INVDAT=24199098,tugwro,X,gre,60; path=/
P3P: policyref="/w3c/p3p.xml", CP="NOI NID CURa ADMa DEVa OUR NOR
COM NAV STA"
Keep-Alive: timeout=15, max=199
Connection: Keep-Alive
TransferEncoding: chunked
ContentType: text/html
HeaderEnd: CRLF
The first Set-Cookie header is preceded by whitespace.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Mayo, Bill
Sent: Thursday, February 14, 2008 10:42 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Error 502 in browsed site
Also, I see under the response header an entry named " Set-Cookie:
...", noting the space in front of it. The entry underneath is also
set-cookie, but doesn't have the space in front of it. Apologies if this info
is unhelpful, I confess I don't completely understand what I am looking for.
________________________________
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Mayo, Bill
Sent: Thursday, February 14, 2008 1:29 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Error 502 in browsed site
Jim, I have a network capture, and I have isolated it down to the
packets that are sent after the logon request (and where it fails). I do see
an HTTP payload on 2 packets that says "httpcontenttype = ". The latter of
these is the last packet sent by the server. Does that clarify anything, or is
there something else I should be looking for?
Bill Mayo
________________________________
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Jim Harrison
Sent: Thursday, February 14, 2008 1:37 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Error 502 in browsed site
Until you know what ISA rejects, there can be no "fix".
What is the site?
From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Mayo, Bill
Sent: Wednesday, February 13, 2008 1:43 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Error 502 in browsed site
I am running into a problem that appears to be well documented, but I
am not having any success in getting it to work. I have a user going to a
"critical" (sigh) site that is causing ISA 2006 EE to throw a 502 error to
them, and in logging it shows: The HTTP message includes an unsupported header
or an unsupported combination of headers. (12156) . I have found KBs regarding
this error, the most pertinent seeming to be 935693. I have downloaded and
installed the "ISA Server 2006 Supportability Update package", which indicates
that is addresses this issue. I also have applied the registry changes that
are indicated in 935693. Unfortunately, the error persists. I am wondering if
a reboot or services restart is necessary after the registry change, but the
article doesn't indicate one way or other (I will try that after hours).
I understand that, at its core, this a problem with the site they are
visiting. However, I have no realistic way to get this addressed on that end,
and the client wants it fixed now. Is there anything that I am missing, or any
pointers anyone can provide?
~~~~~~~~~~
Bill Mayo
Pitt County MIS
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