![]() A OUTPUT -p tcp -m tcp -dport 465 -j ACCEPTĪre there any (obvious) issues with my iptables setup considering the above mentioned issues? Saying that the firewall is doing exactly nothing in this state is also an answer.Īnd again, if you have any other suggestions for me to increase security (considering the basic things I do with this box), I would love hear it, also the obvious ones! A OUTPUT -p tcp -m tcp -dport 8000 -j ACCEPT A OUTPUT -m state -state RELATED,ESTABLISHED -j ACCEPT A FORWARD -j REJECT -reject-with icmp-host-prohibited A INPUT -j REJECT -reject-with icmp-host-prohibited A INPUT -p tcp -m tcp -dport 465 -j ACCEPT A INPUT -p tcp -m tcp -dport 80 -j ACCEPT A INPUT -p tcp -m tcp -dport 8000 -j ACCEPT ![]() A INPUT -m state -state RELATED,ESTABLISHED -j ACCEPT This is my iptables configuration (using vim): # Generated by iptables-save v1.4.7 on Sun Jun 1 13:20:20 2014 After each change I tried implementing I restarted the iptables service. Ssh connections from the terminal are working fine though. I tried opening up the firewall to accept traffic for ports 465 (gmail smtp) and ssh port (lets say this port is 8000), but both the issues remain. I have the feeling that these are both related to the iptables configuration, because I've tried everything else (I think). Smtp (Failed to connect to server: Permission denied (13)) ![]()
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