iptables -F iptables -X iptables -Z iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT ACCEPT iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -i lo -j ACCEPT iptables -A INPUT -p icmp --icmp-type 3 -j ACCEPT iptables -A INPUT -p icmp --icmp-type 11 -j ACCEPT iptables -A INPUT -p icmp --icmp-type 12 -j ACCEPT iptables -A INPUT -p tcp --syn --dport 113 -j REJECT --reject-with tcp-reset iptables -A INPUT -p tcp -s 81.31.45.41 --dport 22 -j ACCEPT ip6tables -F ip6tables -X ip6tables -Z ip6tables -P INPUT DROP ip6tables -P FORWARD DROP ip6tables -P OUTPUT ACCEPT ip6tables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT ip6tables -A INPUT -i lo -j ACCEPT ip6tables -A INPUT -m conntrack --ctstate INVALID -j DROP ip6tables -A INPUT -s fe80::/10 -p ipv6-icmp -j ACCEPT ip6tables -A INPUT -p udp -m conntrack --ctstate NEW -j REJECT --reject-with icmp6-port-unreachable ip6tables -A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
iptables -nvL
iptables -nvL -t mangle