Date: Tue, 23 Feb 1999 14:48:12 +0100 From: Andreas Braukmann <braukmann@tse-online.de> To: freebsd-stable@freebsd.org Subject: Wanted: descr. packet dataflow interfaces / forwarding / ipfw / nat Message-ID: <19990223144812.D7691@paert.tse-online.de>
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Hi there,
I'm searching for a piece of documentation or a 'simple' illustration
describing the flow of packets through the network stack.
Currently I'm building a 'gateway-machine' that should get some
rather complicated (considering my knowledge of the networking code)
jobs done. (NAT on multiple interfaces, transparent proxying, etc.)
My former natd/ipfw-setups were quite simple. But now I'm in need
of more detailed information concerning:
- at which stages/times the filter engine sees each packet
- whether a packet already translated by the natd, carries all
the 'additional' information (e.x. direction, incoming interface, etc)
further on
- etc. etc.
Yes, ... I've read the obviously available (man-page, READMEs, etc.)
documentation thoroughly.
Thanks in advance,
Andreas
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