*filter
:INPUT DROP
:FORWARD DROP
:OUTPUT DROP
:icmp_in -
# weird api/accounts crawler
-A INPUT -p tcp -m tcp -s 2001:19f0:6001:5aa0:5400:2ff:fecf:eee5/128 -j DROP
# Teredo IP for AS206728 bot
-A INPUT -p tcp -m tcp -s 2002:2d8d:56bb::2d8d:56bb/128 -j DROP
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m multiport --dports 80,443 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5665 -j ACCEPT
-A INPUT -p ipv6-icmp -j icmp_in
-A OUTPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -p tcp -m multiport --dports 80,443 -j ACCEPT
-A OUTPUT -p udp -m udp --dport 53 -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 53 -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 587 -j ACCEPT
-A OUTPUT -p ipv6-icmp -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 5665 -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 25 -j ACCEPT
-A OUTPUT -p udp -m udp --dport 123 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 128 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 134 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 135 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 136 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 1 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 2 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 3 -j ACCEPT
-A icmp_in -p ipv6-icmp -m icmp6 --icmpv6-type 4 -j ACCEPT
COMMIT