Comtrend DSL modem use iptables in their code. I discovered this while trying to understood why small-MTU FTP breaks when issuing the PORT command.
Frank -----Original Message----- From: Ricky Beam [mailto:jfb...@gmail.com] Sent: Monday, February 09, 2009 4:01 PM To: Owen DeLong Cc: nanog@nanog.org Subject: Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space <snip> DSL and cable modems are extremely simple devices. I'm amazed they have any amount of "router" in them at all. And I've yet to see one running Linux. (the 2 popular brands around here -- westell and motorola -- run vxworks.) --Ricky