Identifying Comment SpammersPosted by Roger Keays, 3 July 2007, 6:52 PM |
Today I've been having a closer look at the Apache log files to try and sort out a problem we've been having with comment spam. It was surprisingly easy to find the log entries for comment spam. The pattern is basically:
- A POST without a Referer header or preceding GET, and/or
- The text 'User-Agent' in the User-Agent identifier
I was surprised that the spammer(s) made the mistake of beginning their fake User-Agent identifier with the words 'User-Agent'. That made it very simple for me to find the relevant log entries.
Thanks 
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