From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: [nf-next PATCH] netfilter: Extend SYNPROXY with a --continue option Date: Wed, 28 Aug 2013 18:00:42 +0200 Message-ID: <20130828160038.GA25799@macbook.localnet> References: <20130828152549.8250.97982.stgit@dragon> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Pablo Neira Ayuso , netfilter-devel@vger.kernel.org, netdev@vger.kernel.org, mph@one.com, as@one.com To: Jesper Dangaard Brouer Return-path: Received: from stinky.trash.net ([213.144.137.162]:42824 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752358Ab3H1QAq (ORCPT ); Wed, 28 Aug 2013 12:00:46 -0400 Content-Disposition: inline In-Reply-To: <20130828152549.8250.97982.stgit@dragon> Sender: netfilter-devel-owner@vger.kernel.org List-ID: On Wed, Aug 28, 2013 at 05:26:55PM +0200, Jesper Dangaard Brouer wrote: > Packets reaching SYNPROXY are default dropped, as they are most likely > invalid (given the state matching). In other configurations it might > be beneficial to let packet not consumed by SYNPROXY (SYN and ACK) to > continue being processed by the stack. > > Introducing a --continue option/flag for the SYNPROXY target to allow > these unmatched packets to continue being processed. This would also > help in debugging the module via LOG. I don't think we should add an option for this. Just DROP packets consumed by the target and have the other ones continue.