From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Phil Oester <kernel@linuxace.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH] netfilter: ip[6]t_REJECT: tcp-reset using wrong MAC source if bridged
Date: Wed, 28 Aug 2013 00:49:08 +0200 [thread overview]
Message-ID: <20130827224908.GA15535@localhost> (raw)
In-Reply-To: <20130626211627.GA22947@gmail.com>
On Wed, Jun 26, 2013 at 05:16:28PM -0400, Phil Oester wrote:
> As reported by Casper Gripenberg, in a bridged setup, using ip[6]t_REJECT
> with the tcp-reset option sends out reset packets with the src MAC address
> of the local bridge interface, instead of the MAC address of the intended
> destination. This causes some routers/firewalls to drop the reset packet
> as it appears to be spoofed. Fix this by bypassing ip[6]_local_out and
> setting the MAC of the sender in the tcp reset packet.
>
> This closes netfilter bugzilla #531.
Applied, thanks Phil.
prev parent reply other threads:[~2013-08-27 22:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-26 21:16 [PATCH] netfilter: ip[6]t_REJECT: tcp-reset using wrong MAC source if bridged Phil Oester
2013-07-02 23:41 ` Pablo Neira Ayuso
2013-07-03 16:59 ` Phil Oester
2013-08-27 22:49 ` Pablo Neira Ayuso [this message]
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