From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: Follow packets in rules Date: Thu, 14 Jun 2007 15:13:12 +0200 Message-ID: <46713EE8.6060906@trash.net> References: <466FB176.7040306@netfilter.org> <467020F6.2050906@trash.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: netfilter-devel@lists.netfilter.org To: Jozsef Kadlecsik Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-devel-bounces@lists.netfilter.org Errors-To: netfilter-devel-bounces@lists.netfilter.org List-Id: netfilter-devel.vger.kernel.org Jozsef Kadlecsik wrote: > On Wed, 13 Jun 2007, Patrick McHardy wrote: > >> It would be interesting for the kernel if it can be done in a >> non-intrusive way. I can't remember what the old patches exactly >> did, but I believe it was kind of a hack. > > > It was just a little bit of hack ;-). I could not find the patch lying > around here, fortunately there is an old copy from the patch-o-matic era > in svn: > > http://svn.netfilter.org/cgi-bin/viewcvs.cgi/old_stuff/netfilter/trunk/patch-o-matic/extra/TRACE.patch?rev=3069 Yeah, it doesn't look too bad. Unfortunately it breaks userspace compatibility. How about just adding a new match that prints a user-supplied string for specially marked packets?