From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v2 0/2] Disable rp_filter for IPsec packets Date: Sun, 10 Apr 2011 18:51:16 -0700 (PDT) Message-ID: <20110410.185116.39190482.davem@davemloft.net> References: <1302187911-20688-1-git-send-email-msmith@cbnco.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: msmith@cbnco.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:51661 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752543Ab1DKBvw (ORCPT ); Sun, 10 Apr 2011 21:51:52 -0400 In-Reply-To: <1302187911-20688-1-git-send-email-msmith@cbnco.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Michael Smith Date: Thu, 7 Apr 2011 10:51:49 -0400 > The reverse path filter interferes with IPsec subnet-to-subnet tunnels, > especially when the link to the IPsec peer is on an interface other than > the one hosting the default route. > > IPsec provides a much stronger anti-spoofing policy than rp_filter, so > this patch disables the rp_filter for packets with a security path. > > Patch is against net-next. All applied, thanks Michael.