From: Gerd Knorr <kraxel@bytesex.org>
To: Kernel List <linux-kernel@vger.kernel.org>
Subject: [2.5] ipsec + iptables
Date: Sat, 30 Nov 2002 12:11:31 +0100 [thread overview]
Message-ID: <20021130111131.GA30922@bytesex.org> (raw)
Hi *,
Is there any documentation on how the new 2.5 ipsec plays together with
itables? How do ipsec packets traverse the tables? Where is the
encryption/decryption of the packets done? In transport mode? In
tunnel mode?
The freeswan documentation is quite clear about this: For example
incoming packets: The paket filters see the packets twice: Once from
the physical device (eth0, ppp0, whatever), with data still encrypted
and protocol 50/51, and once from the attached virtual ipsec<n> device,
after decryption in cleartext (so iptables actually sees what tcp/udp
port it is addressed to, ...).
How does the new ipsec code work compared to that? Probably different
as there is no virtual ipsec<n> device any more, but how exactly?
Gerd
--
You can't please everybody. And usually if you _try_ to please
everybody, the end result is one big mess.
-- Linus Torvalds, 2002-04-20
reply other threads:[~2002-11-30 11:32 UTC|newest]
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