Re: [development] My site is under attack (trackbacks, spam and cpu usage).

Alternatively, you could block all the IPs at the firewall (thus, dropping the traffic instead of responding to it, above), but that's a bit more difficult to do unless you own the box.

I started blocking the IPs in .htaccess. This worked for a while when I had comment spam attacks. Then they smartened up and started bombadring from various IP addresses which makes this a cat and mouse game.