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From "Fink, Mike" <>
Subject [users@httpd] User Agent Display Problem? (IE6/SP2)
Date Wed, 19 Apr 2006 18:52:02 GMT
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 (MSDN
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

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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