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From Axel-St├ęphane SMORGRAV <>
Subject RE: [users@httpd] User Agent Display Problem? (IE6/SP2)
Date Thu, 20 Apr 2006 06:32:12 GMT
I believe that Apache just reports the contents of the User-Agent HTTP header. Whatever UA
information you find in the logs is what IE sent.


-----Original Message-----
From: Fink, Mike [] 
Sent: Wednesday, April 19, 2006 8:52 PM
Subject: [users@httpd] User Agent Display Problem? (IE6/SP2)

We have been running the Apache web server to run our 'autoproxy'
(automatic proxy configuration) on a global basis for 4+ years using 4 regional Solaris engines.
 Currently running Apache version 2.0.35 but have 'checked' the problem described below on
the 2.2 version with the same negative results.  Given that my hours of searching in the problem
forums, documentation, etc, I suspect this problem is rooted in IE itself but want to throw
it out for possible comment.

We are still confirming this -- but prior to IE6/SP2 we had no problem displaying (in the
'combined' Apache logs) the complete 'user agent'
information from all the win32 clients.  Based on our research, all
IE6/SP2 clients (running both XP and W2K3 server) now ONLY display a 'generic' UA (in the
Apache logs) of:

Mozilla/4.0 (compatible; MSIE 6.0; Win32)

This is displayed irregardless of the client registry settings, e.g.
SV1, etc.  When verifying the UA from the client browser using 'javascript:alert(navigator.userAgent)'
EVERYTHING is there.  I have tried different tweaks of the XP/W2K3 server registry settings
article) but can't seem to find an answer.  Other browsers like Firefox, etc. display their
full UA string just fine with my current Apache version/config.

I was hoping someone else has seen this behavior and could comment on any workarounds -- like
I said, didn't see any in the forums, etc.  My next step is to sniff the client to server
traffic during the autoproxy exchange to make sure it is actually being sent.

Thanks for any thoughts or guidance.

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