Date: Fri, 7 Nov 2003 06:09:38 -0800 From: "Drew Tomlinson" <drew@mykitchentable.net> To: "Helge Oldach" <helge.oldach@atosorigin.com> Cc: freebsd-net@freebsd.org Subject: Re: Routing With Two ISPs? Message-ID: <010801c3a538$ce5e8b40$0301a8c0@bigdaddy> References: <200311070759.IAA19949@galaxy.hbg.de.ao-srv.com>
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----- Original Message ----- From: "Helge Oldach" <helge.oldach@atosorigin.com> Sent: Thursday, November 06, 2003 11:59 PM > Drew Tomlinson: > >I have a 4.8 box serving as a gateway with two connections to the > >Internet. Is there some way to set the box up so that packets are > >routed out through the same interface from which they arrived? For > >example, if a connection is initiated on port 80 from a packet arriving > >on one interface, is there a way to make the outgoing packets from my > >web server use that same interface as a gateway instead of the default > >interface? > > Unfortunately not. While your application (multi-homing, aka "strong ES" > model of RFC 1122) would appear simpler, a general solution would target > at true policy-based routing. > > The latest information I have seen is > http://www.mail-archive.com/freebsd-net@freebsd.org/msg07737.html. Thank you for your reply. I can understand that it's more difficult than it appears. I get easily confused when thinking about routing. :) Now that I know what "terms" I'm looking for (like "strong ES") I can search this in the threads and see if/when it gets implemented. Cheers, Drew
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