From mboxrd@z Thu Jan 1 00:00:00 1970 From: dave Subject: fc4 iptables blocking yum and smtp (postfix) Date: Sun, 30 Apr 2006 15:03:12 +1000 Message-ID: <44544510.5020907@dtracorp.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: 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: netfilter@lists.netfilter.org hi all ok, i know this is an iptables issue, because both yum and smtp work when i turn iptables off i don't really have any idea when it comes to server level stuff, so i really need someone to help me out here i have been told that it has something to do with ESTABLISHED,RELATED settings that i need to add (but don't know what i need to do) my iptables listed below thanks dave [code] # Generated by iptables-save v1.3.0 on Tue Apr 11 23:20:05 2006 *filter :FORWARD ACCEPT [0:0] :INPUT DROP [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -p tcp -m tcp -m multiport -j ACCEPT --dports 22,10000 -A INPUT -p tcp -m tcp -m multiport -j ACCEPT --dports 20,21,25,80,110,143,443,993,995,3306 -A INPUT -p udp -m udp -m multiport -j ACCEPT --dports 53,123 #-A INPUT -p udp -m udp --sport 53 -j ACCEPT # Localhost traffic -A INPUT -i lo -j ACCEPT COMMIT # Completed on Tue Apr 11 23:20:05 2006 # Generated by iptables-save v1.3.0 on Tue Apr 11 23:20:05 2006 *mangle :FORWARD ACCEPT [0:0] :INPUT ACCEPT [247924:148337622] :OUTPUT ACCEPT [203797:85733410] :POSTROUTING ACCEPT [203797:85733410] :PREROUTING ACCEPT [273515:151663480] COMMIT # Completed on Tue Apr 11 23:20:05 2006 # Generated by iptables-save v1.3.0 on Tue Apr 11 23:20:05 2006 *nat :OUTPUT ACCEPT [3330:227736] :POSTROUTING ACCEPT [3330:227736] :PREROUTING ACCEPT [41038:5544645] COMMIT # Completed on Tue Apr 11 23:20:05 2006 [/code] -- http://dtracorp.com