I think this can be done using ipfw through /exec.php page =)
From: David Henry [mailto:dhenry at nauticallandings dot com]
Sent: Wednesday, August 17, 2005 4:39 AM
To: m0n0wall dash dev at lists dot m0n0 dot ch
Subject: [m0n0wall-dev] Rate limiting a certain port
Is there a way to rate limit the amount of connections to say port 25?
The reason I ask is that we would like to limit the connections to help
deter spamming from a hotspot.
Any hack or advice would be greatly appreciated.