[wp-hackers] Trackback Spam Fix
newsletter at scytheman.net
Wed Apr 6 11:06:53 GMT 2005
Quick hack (well not so quick, but at least it's tested and works):
Does this solve your problem?
Elliott Bäck wrote:
> As far as I know, the trackback form doesn't verify that the trackback
> URL resolves to the host IP sending the trackback, which in my opinion
> and experience, is the cause of most or all of the trackback spam
> currently getting posted. I know that in theory trackback can be send
> by a server of behalf of someone else, but I know of very few
> implementations that work that way.
More information about the wp-hackers