I think pfctl is the suggested replacement for ipfw, which was deprecated in Mavericks. I wrote the Comcast tool someone linked in this thread. Haven't had a ch

I think pfctl is the suggested replacement for ipfw, which was deprecated in Mavericks. I wrote the Comcast tool someone linked in this thread. Haven't had a chance to dive through the pfctl man pages to add support for Yosemite yet unfortunately.