From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jean-Michel CARICAND" Subject: Iptables don't understand network address Date: Tue, 09 Jul 2002 09:03:00 +0200 (MET DST) Sender: netfilter-admin@lists.samba.org Message-ID: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Errors-To: netfilter-admin@lists.samba.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: "netfilter@lists.samba.org" I have a local network with 10.0.2.0 address and 255.255.254.0 netmask. My firewall have IP 10.0.2.130 on eth0. My station have IP 10.0.2.2. I configure my firewall for drop the ping from the station with 1 rules := # iptables -A INPUT -i eth0 -s 10.0.2.2 -p icmp -j DROP When I ping the firewall from my station (ping 10.0.2.130) , I receive an= response from the serveur Why =3F What is the problem =3F My netmask =3F If i modify my netmask to 255.0.0.0 on firewall and my station, the ping = doesn't work. Normal ! Iptables don't understand network address not in class A, B or C HELP ME !!!