From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martijn Lievaart Subject: Re: ICMP packets associated with NAT connections sent out wrong interface? Date: Thu, 28 Jun 2007 21:10:34 +0200 Message-ID: <468407AA.7030900@rtij.nl> References: <46819191.10808@rtij.nl> <1182944650.6183.17.camel@ray-linux.internal> <46835BA5.3080705@rtij.nl> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Jordan Russell Cc: netfilter@lists.netfilter.org Jordan Russell wrote: > Martijn Lievaart wrote: > >> The source of the packet is 123.23.23.23, it comes from the Internet. >> The destination is local. Why do you think this packet is generated locally? >> > > 123.23.23.23 is the address of the machine's eth1 (Internet) interface. > > Since this only happens when I boot into certain kernel versions (2.6.20 > and 2.6.21), it seems unlikely that someone on the Internet is sending > me ICMP packets with a spoofed source address. > My bad. But still seems like a bug somewhere. M4