From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Clark Subject: Re: Linux vs FreeBSD Which is correct. Date: Wed, 17 Aug 2011 15:44:00 -0400 Message-ID: <4E4C1A00.80207@earthlink.net> References: <4E4BF456.9000807@earthlink.net> <201108172017.48683.remi@remlab.net> Reply-To: sclark46@earthlink.net Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Linux Kernel Network Developers To: =?ISO-8859-1?Q?R=E9mi_Denis-Courmont?= Return-path: Received: from elasmtp-galgo.atl.sa.earthlink.net ([209.86.89.61]:60935 "EHLO elasmtp-galgo.atl.sa.earthlink.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751200Ab1HQToD (ORCPT ); Wed, 17 Aug 2011 15:44:03 -0400 In-Reply-To: <201108172017.48683.remi@remlab.net> Sender: netdev-owner@vger.kernel.org List-ID: On 08/17/2011 01:17 PM, R=E9mi Denis-Courmont wrote: > Le mercredi 17 ao=FBt 2011 20:03:18 Stephen Clark, vous avez =E9crit = : > =20 >> I have run into a situation where if I ping our HQ the response come= s >> back on a different >> interface than what the request went out on. FreeBSD is happy and sa= ys >> it got the response, >> Linux is not and gives no indication it got a response. >> >> So is FreeBSD wrong or is Linux wrong? >> =20 > Most distributions enable reverse path filtering by default. > It can be disabled: > # echo -n 0> /proc/sys/net/ipv4/conf/all/rp_filter > > But you should probably fix the configuration instead (e.g. /etc/sysc= tl.conf). > > =20 Sorry that didn't help either. --=20 "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)