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I just finished installed Ubuntu 11.04. When I point my web browser to http://whatsmyuseragent.com/ , then it reports my User Agent as :

Mozilla/4.0 (compatible; MSIE 5.5; Windows 98)

I get the same results with Firefox 4.0/7.0/8.0 & Chromium 14 & Konqueror which leads me to believe that it is an OS issue, rather than a browser specific issue

I have tried Firefox User Agent Switcher, didn't work

I have tried specifying the User Agent setting when launching Chrome, that didn't work either

I suspect it is because those extensions / options alters the browsers User Agent settings in Javascript and not the underlying header that the browser sends. See http://browserspy.dk/useragent.php for the 2 different user agents.

Anybody have idea any ideas how I can update it?

Firebug says:

Host: whatsmyuseragent.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:8.0) Gecko/20100101 Firefox/8.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
Accept-Language: en-us
Accept-Encoding: gzip, deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Proxy-Connection: keep-alive
Proxy-Authorization: Basic Hello Bob
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1 Answer

up vote 2 down vote accepted

It could be that you're going through a proxy which alters the user agent header.

Check with Wireshark (or Firebug + its network tab) if the correct agent header is being sent.

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I ran Firebug + its network tab as you suggested Got the following results Host: whatsmyuseragent.com User-Agent: Mozilla/5.0 (X11; Linux i686; rv:8.0) Gecko/20100101 Firefox/8.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Language: en-us Accept-Encoding: gzip, deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Proxy-Connection: keep-alive Proxy-Authorization: Basic Hello Bob –  pokkie Nov 17 '11 at 14:04
1  
then you've probably got a proxy in your network that modifies the user-agent header. –  cweiske Nov 17 '11 at 14:22
    
thanks for the suggestion. i will ask the other ubuntu users in our company if they are experiencing the same issue and then take it from there –  pokkie Nov 17 '11 at 15:21
    
It's been solved. The problem wasn't with the corporate proxy, but the fact that I was using a third party proxy on my localbox (ntlmaps). –  pokkie Nov 18 '11 at 5:24
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