Security & Disguise: a small improvement with user agent strings

Kid Shaleen

Oct 29, 2009
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I just bumped into this web site and think the information there can be useful for BH SEO work.

We use a variety of disguises to conceal our account creations, the most popular (or required) are different IP addresses.

But even so, we can end up with accounts that are all named "SusieJamison2182, "SusieJansen8315," "SusieJohnson3975," all created within ten minutes of each other and all with a browser user agent "Mozilla/5.0 (Windows; U; Windows NT 6.0; ru; rv:1.9.2) Gecko/20100115 Firefox/3.6".

We look for ways to mash up the accounts differently. There are utilities that provide a very limited set of additional user agent strings

But the database at useragentstring probably includes thousands of different valid user agent strings that let you accurately:
change your reported hardware
change your reported OS
change your reported browser
change your reported version
change your reported model
change your reported language
Being able to provide a massive number of different valid user agent strings certainly doesn't improve our security by 100% or perhaps even 10%.

But every little bit helps, particularly when it's free. And the little bits add up.
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