Our site is receiving page views with strange browser locales. The most recent, on Sunday, included the following;
The UA string is;
Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20100101 Firefox/13.0
We can't see any malicious input being attempted but we don't currently support any locales besides en_GB and en_US. The IP is located in Arizona.
Has anyone experienced this before? If so, what was the motivation behind it?
Is this something I should be concerned about?