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From: Patrick McHardy <kaber@trash.net>
To: Stephen.Clark@seclark.us
Cc: netfilter-devel@lists.netfilter.org
Subject: Re: masquerade & ipsec
Date: Wed, 05 Jul 2006 17:34:45 +0200	[thread overview]
Message-ID: <44ABDC15.9050606@trash.net> (raw)
In-Reply-To: <44A6FDDE.8050805@seclark.us>

Stephen Clark wrote:
> Hello,
> 
> I am running kernel 2.6.16-1.2115_FC4 - I have network that looks like
> this:
>                                           
> FreeBSD                                           FC-4
> 10.0.128.0/17 <-> 10.0.254.254-65.162.x.x ipsec tunnel
> 24.x.x.x-192.168.2.1 <-> 192.168.2.0/24
> 
> Some change recently caused masquerading to happen on my FC-4 box before
> ipsec happens
> so my packets from my 192.168.2.0/24 network have the source address
> changed to my external interface address and don't get picked up by the
> SA. If I turn off masquerading
> then ipsec works again. I didn't use to have this problem.

You can use the policy match to exclude the packets that should
be handled by IPsec from masquerading. Or simple do it by
address.

  reply	other threads:[~2006-07-05 15:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-01 22:57 masquerade & ipsec Stephen Clark
2006-07-05 15:34 ` Patrick McHardy [this message]
     [not found]   ` <44ABE469.7000001@seclark.us>
2006-07-05 16:51     ` Patrick McHardy

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