[wp-hackers] Trackback Spam Fix

Sebastian Herp 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.

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