From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] ip: add loose reverse path filtering Date: Sat, 21 Feb 2009 23:56:01 -0800 (PST) Message-ID: <20090221.235601.92406212.davem@davemloft.net> References: <20090220102536.2d39ddb9@extreme> <20090221130907.GA28765@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: shemminger@vyatta.com, hawk@diku.dk, netdev@vger.kernel.org To: herbert@gondor.apana.org.au Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45532 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751969AbZBVH4U (ORCPT ); Sun, 22 Feb 2009 02:56:20 -0500 In-Reply-To: <20090221130907.GA28765@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-ID: From: Herbert Xu Date: Sat, 21 Feb 2009 21:09:07 +0800 > Stephen Hemminger wrote: > > Extend existing reverse path filter option to allow strict or loose > > filtering. (See http://en.wikipedia.org/wiki/Reverse_path_filtering). > > > > For compatibility with existing usage, the value 1 is chosen for strict mode > > and 2 for loose mode. > > > > Signed-off-by: Stephen Hemminger > > Rather than extending the rp_filter stuff any further, I'd prefer > to see this replaced with netfilter plugin. Normally I would agree, but in this case the cost is exactly zero for the added flexibility. So I'll apply this to net-next-2.6