Stopping Open Proxy Commenters
Matt points to a great concept: stopping comments that come via open proxies.
There are some plugins extant for it … I’m going to take a little time this weekend to try and find a good one to recommend.
Update: I’ve installed LostFocus’s open proxy checking plugin. It’s supposed to filter the comment before it ever gets to the database. For whatever reason, gfmorris.com has been getting hammered by open proxy comment spammers for weeks, so I’ve installed it there and removed all my IPs from my IP Tarpit banlist. I’ll report back after the weekend.

We’re pullin’ for you!
November 5th, 2004 at 22:29A Day of Blocking Open Proxy Comment Spammers
November 6th, 2004 at 13:08In a little over a day of blocking comment spammers who exploit open proxies, I’ve had 13 comment spammers make attempts that actually made it to my moderation queue. Considering that this value is about the average of spam attempts I was getting per…