From: Balazs Scheidler <bazsi@balabit.hu>
To: "Rémi Denis-Courmont" <remi.denis-courmont@nokia.com>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] [TPROXY] implemented IP_RECVORIGDSTADDR socket option
Date: Thu, 13 Nov 2008 12:37:46 +0100 [thread overview]
Message-ID: <1226576266.7446.13.camel@bzorp.balabit> (raw)
In-Reply-To: <200811131309.10693.remi.denis-courmont@nokia.com>
On Thu, 2008-11-13 at 13:09 +0200, Rémi Denis-Courmont wrote:
> On Thursday 13 November 2008 12:37:04 ext Balazs Scheidler, you wrote:
> > In case UDP traffic is redirected to a local UDP socket,
> > the originally addressed destination address/port
> > cannot be recovered with the in-kernel tproxy.
> >
> > This patch adds an IP_RECVORIGDSTADDR sockopt that enables
> > a IP_ORIGDSTADDR ancillary message in recvmsg(). This
> > ancillary message contains the original destination address/port
> > of the packet being received.
>
> Does this not duplicate the IP_PKTINFO functionality?
>
IP_PKTINFO does not have a port number field which may be changed with
tproxy redirections.
--
Bazsi
next prev parent reply other threads:[~2008-11-13 11:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-13 10:37 [PATCH] [TPROXY] implemented IP_RECVORIGDSTADDR socket option Balazs Scheidler
2008-11-13 11:09 ` Rémi Denis-Courmont
2008-11-13 11:37 ` Balazs Scheidler [this message]
2008-11-13 20:21 ` David Stevens
2008-11-14 12:41 ` Balazs Scheidler
2008-11-17 3:32 ` David Miller
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