Originally Posted by raymor

Throttlebox is an Apache module, with support scripts for reporting and such.
It works quite a bitt differently than Traffic Guardian and similar "anti-hotlink" setups,
though, as those are all easily fooled by even the clueless script kiddies. Often, there
ripper software will spoof the referer by default, which bypasses your normal
"anti-hotlink" stuff. Throttlebox isn't based on trusting the referrer header, so it
can;t be spoofed.