Please correct me if I'm wrong, but here's a guess at a Mac OS X version of the commands: sudo ipfw add 1 pipe 1 src-port 80 sudo ipfw pipe 1 config bw 500

Please correct me if I'm wrong, but here's a guess at a Mac OS X version of the commands: sudo ipfw add 1 pipe 1 src-port 80 sudo ipfw pipe 1 config bw 500Byte/s