*nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] COMMIT *filter :INPUT DROP [0:0] :FORWARD DROP [0:0] :OUTPUT ACCEPT [0:0] :FILTERS - [0:0] -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m conntrack --ctstate INVALID -j DROP -A INPUT -i eth0 -p ipv6-icmp -m icmp6 --icmpv6-type 128 -m limit --limit 5/sec -j ACCEPT -A INPUT -i eth0 -p ipv6-icmp -m icmp6 --icmpv6-type 133 -m limit --limit 5/sec -j ACCEPT -A INPUT -i eth0 -p ipv6-icmp -m icmp6 --icmpv6-type 134 -m limit --limit 5/sec -j ACCEPT -A INPUT -i eth0 -p ipv6-icmp -m icmp6 --icmpv6-type 135 -m limit --limit 5/sec -j ACCEPT -A INPUT -j FILTERS -A INPUT -j DROP -A FILTERS -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A FILTERS -p tcp -m conntrack --ctstate NEW -m tcp --dport 80 --tcp-flags FIN,SYN,RST,ACK SYN -j ACCEPT -A FILTERS -p tcp -m conntrack --ctstate NEW -m tcp --dport 443 --tcp-flags FIN,SYN,RST,ACK SYN -j ACCEPT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 1719 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 1720 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 1723 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 5060 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 5061 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 6566 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 8080 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 8443 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 8880 -j REJECT -A FILTERS -p tcp -m conntrack --ctstate NEW,RELATED,ESTABLISHED -m tcp --dport 10080 -j REJECT -A FILTERS -m conntrack --ctstate INVALID -j DROP -A FILTERS -j REJECT -A OUTPUT -o lo -j ACCEPT -A OUTPUT -o eth0 -j ACCEPT -A OUTPUT -o eth1 -j ACCEPT -A FORWARD -o eth1 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A FORWARD -i eth1 -o eth1 -j FILTERS -A FORWARD -o eth0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A FORWARD -i eth1 -o eth0 -m conntrack --ctstate NEW -j ACCEPT -A FORWARD -i eth0 -o eth1 -j FILTERS -A FORWARD -j REJECT COMMIT