We get some odd errors reported on our website and try to find out some details about who is looking. I look at sample user agent lines and see things like:
Mozilla / 5.0 (Windows; U; Windows NT6.0; en-US; rv: 1.9.0.6) Gecko / 2009011913 Firefox / 3.0.6
Now some of them are obvious, but some are less so ("U"?). Following the pattern of hits, I suspect that it was a robot, but I don’t see anything that I recognize in this line to push me to this. I would like to know what some things mean in this (and other) lines. Is there an exhaustive link somewhere?
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