Hello I will try to help you.
> Hi - i have just installed an mailserver with postfix and wu-imap/pop3 > now i just want to have iptables running. I am no iptables guro, i just > want to close all exept from ssh(port 22), pop3(port 110) and > imap(port143). Is there and easy way to do this. ???? # change of politics to drop iptables -t nat -P PREROUTING DROP iptables -t nat -P POSTROUTING DROP #add ssh serwer (allow incoming) iptables -t nat -A PREROUTING -d $yourPublicIP -p tcp --destination-port 22 -j ACCEPT #add pop3 and imap iptables -t nat -A PREROUTING -d $yourPublicIP -p tcp --destination-port 110 -j ACCEPT iptables -t nat -A PREROUTING -d $yourPublicIP -p tcp --destination-port 143 -j ACCEPT iptables -t nat -A PREROUTING -d $yourPublicIP -p udp --destination-port 110 -j ACCEPT iptables -t nat -A PREROUTING -d $yourPublicIP -p udp --destination-port 143 -j ACCEPT iptables -t nat -A POSTROUTING -s $yourPublicIP -j ACCEPT # are you want to alow ping you machine ? (I dont know if postfix require it) iptables -t nat -A PREROUTING -d $yourPublicIP -p icmp -j ACCEPT iptables -t nat -A POSTROUTING -s $yourPublicIP -p icmp -j ACCEPT I think that is all. Jakub Staszek -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
