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Date:      Thu, 22 Aug 1996 14:22:16 -0700
From:      Paul Traina <pst@jnx.com>
To:        Julian Elischer <julian@whistle.com>
Cc:        sos@freebsd.org, "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com>, current@freebsd.org, archie@whistle.com
Subject:   Re: cvs commit: src/sys/netinet in.h ip_fw.h ip_input.c ip_output.c 
Message-ID:  <199608222122.OAA05175@base.jnx.com>
In-Reply-To: Your message of "Thu, 22 Aug 1996 14:15:14 PDT." <321CCDE2.794BDF32@whistle.com>
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Just on the subject of NAT in general, I would strongly suggest anyone
considering NAT look at the Linux code.  It's not pretty, but one interface
that is *critical* is the "nat exceptions" code.  They've done a really good
job on that bit of work.

By NAT exceptions, I mean that there is actual code that sniffs datastreams
and looks for things like FTP port numbers and irc DCC's and RealAudio stream
IDs, etc.

Paul
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