trac ticket spam

[Claus Reinke]

>> Is there any way to have a "moderate first comment by new submitter"
>> policy for trac, to avoid the kind of ticket spam we have at the moment?
>>
>> They seem to have started commenting on existing tickets now (#4510),
>> which could turn into a real mess really quickly, if the currently known
>> spam accounts aren't blocked soon, btw.
> 
> We've deleted all the spam tickets and ticket changes.  Ian blocked a 
> few IPs, and I've added some more patterns to the spam filter:
> 
>   http://hackage.haskell.org/trac/ghc/wiki/BadContent

Thanks! 

You've been using trac's spam filter for a while now, and 
these still got through. Also, I hadn't seen the commenting
and "make random changes to fields" aspect before - it
could be that someone is improving/testing trac spamming
tools (as trac is in wide-spread use).