[Assist] User agent in iceweasel

Isaac David isacdaavid at isacdaavid.info
Mon Jan 18 15:06:04 GMT 2016

It's a privacy feature, not a bug. Icecat and Torbrowser do the same by 

Web servers can use the user agent string to identify users. Because 
GNU+Linux users
are far less common than other kinds of users they really stand out in 
the crowd.
Ironically, lying about our user agent makes our operating system come 
even lower in the
market share studies, and the process repeats.

The go-to reference for browser fingerprinting is EFF's Panopticlick 
They explain it in more detail and allow you to measure your browser's 

(Non-free javascript warning! Most javascript at eff.org is free and 
 but the panopticlick code isn't marked as such and I could't verify 
its license)

Le lun. 18 janv. 2016 à 6:15, Benoît <benoitne at gmail.com> a écrit :
> Hi,
> Is there any reason why by default iceweasel is using Mozilla/5.0 
> (Windows NT 6.1; rv:43.0) Gecko/20100101 Firefox/43.0 ?
> I already have user agent switcher but I don't understand why 
> iceweasel doesn't detect the OS properly to put Linux instead?
> thanks
> belette
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