From: Harald Welte <laforge@netfilter.org>
To: dimitri borjac <dimitri_borjac@hotmail.com>
Cc: netfilter-devel@lists.netfilter.org
Subject: Re: iptables and SPI...
Date: Fri, 31 Oct 2003 15:47:45 +0100 [thread overview]
Message-ID: <20031031144745.GG21066@sunbeam.de.gnumonks.org> (raw)
In-Reply-To: <Law10-F124Y6YHkidcD0000000d@hotmail.com>
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On Wed, Oct 22, 2003 at 04:44:51PM +0000, dimitri borjac wrote:
> Hi!
> i sent this question to the user list but maybe you would have more precise
> answers ...
>
> I'd like to know if it's possible to use the current version of iptables in
> order to NAT different VPN established between different NATted hosts and 1
> remote gateway (the same gateway for all of them) ? Such a NAT would be
> made by watching both addresses, ports and SPIs...
I don't really understand what you want to achieve. Please try to
explain this in more detail.
> In other words : is it possible for iptables to go and check the SPI field
> in the ESP Header of the IPsec packet in ESP tunnel mode ?
are you talking about freeswan or the 2.6 kenel ipsec implementation?
Is your iptables running on one end of a tunnel or just enroute your ESP
tunnel? Are you using UDP ESP encapsulation mode (nat-traversal)?
> Hope i make me clear enough :)
no, unfortunately not. Or I'm too stupid, sorry.
> Dimo
--
- Harald Welte <laforge@netfilter.org> http://www.netfilter.org/
============================================================================
"Fragmentation is like classful addressing -- an interesting early
architectural error that shows how much experimentation was going
on while IP was being designed." -- Paul Vixie
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next prev parent reply other threads:[~2003-10-31 14:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-22 16:44 iptables and SPI dimitri borjac
2003-10-31 14:47 ` Harald Welte [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-10-31 18:07 dimitri borjac
2003-10-31 22:01 ` Henrik Nordstrom
2003-10-31 15:32 dimitri borjac
2003-10-31 17:41 ` Henrik Nordstrom
2003-11-02 15:06 ` Harald Welte
2003-10-22 13:26 dimitri borjac
2003-10-22 13:50 ` Julian Gomez
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