[isalist] Re: Error 502 in browsed site

http://www.ISAserver.org
-------------------------------------------------------

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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