From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jorge Davila Subject: Re: [PATCH] Unspecified proto should print as "all" in iptables -L Date: Thu, 03 May 2007 10:16:05 -0600 Message-ID: References: <20070428220206.GA26272@linuxace.com> <463524E7.60107@netfilter.org> <20070430171317.GA6904@linuxace.com> <20070430173654.GB6904@linuxace.com> <20070430200930.GA8187@linuxace.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: 8bit Cc: netfilter-devel@lists.netfilter.org, Jan Engelhardt , Pablo Neira Ayuso To: Phil Oester Return-path: In-Reply-To: <20070430200930.GA8187@linuxace.com> 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 Sorry for the delay in answering your question ... Well, it's because some users inside the internal networks under my administration visit http://www.grc.com/ and run the Shields Up! to see the open ports in the gateways and they see the port 0 open. That was the reason to apply the rule. Jorge. On Mon, 30 Apr 2007 13:09:30 -0700 Phil Oester wrote: > On Mon, Apr 30, 2007 at 12:17:13PM -0600, Jorge Davila wrote: >> I was trying to apply a rule >> >> iptables -p 0 -j DROP >> >> to block only the protocol 0. I know now why that rule was not working. >> >> I think that -p 0 must be a reference to the protocol 0 and not to all >> protocols. >> >> Jorge. > > Which application uses protocol 0? Or is this a custom app you wrote? > > Phil > Jorge Isaac Davila Lopez Nicaragua Open Source davila@nicaraguaopensource.com