Date: Fri, 11 Jul 1997 15:48:30 -0700 From: John Polstra <jdp@polstra.com> To: hackers@freebsd.org Subject: CVSup vs. firewalls: a solution Message-ID: <199707112248.PAA18858@austin.polstra.com>
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Quite a few of you have been unable to use CVSup in the past, because you are behind a firewall that is too restrictive for it. If you are in that category, I encourage you to try version 15.1, which I just released last night. It supports a new "multiplexed" mode of operation. In multiplexed mode, CVSup needs just a single TCP connection, initiated by the client, to do its work. If you can persuade your firewall administrator to let you issue connections to port 5999 of your favorite CVSup server, you'll be in business. To select multiplexed mode, add the option "-P m" to the cvsup command line. As its name implies, multiplexed mode works by managing a built-in packet protocol on top of the single TCP connection. That enables the client and server to multiplex multiple logical connections in parallel through the channel. Several people have been using it for a month or so, and it seems to function and perform just fine. See the announcement in the FreeBSD-announce mailing list, or just grab it from <ftp://hub.freebsd.org/pub/CVSup/>. -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Self-knowledge is always bad news." -- John Barth
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