Date: Sun, 27 Nov 2005 12:28:04 -0800 From: Doug Barton <dougb@FreeBSD.org> To: Julian Elischer <julian@elischer.org> Cc: net@freebsd.org Subject: Re: proposal: TCP rendevous Message-ID: <438A16D4.8050108@FreeBSD.org> In-Reply-To: <43894FC9.6040205@elischer.org> References: <43894FC9.6040205@elischer.org>
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Julian Elischer wrote:
> In this world of P2P apps it would be neat to have a way that two P2P apps
> could attach to each other even though each is through a firewall. Most
> firewalls only allow
> "outgoing" connections.
There is a great deal of work in this area in the IETF. It's mostly focused
on NAT issues, but the same techniques are applicable to hosts with globally
routable addresses behind a restrictive firewall.
I'd recommend investigating that work first before reinventing any wheels here.
hth,
Doug
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