*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -m state --state NEW -j ACCEPT
-A INPUT ! -i {{ lan_iface }} -m state --state NEW -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 53 -j ACCEPT
-A INPUT -p udp -m state --state NEW -m udp --dport 53 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p udp -m state --state NEW -m udp --dport 67 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p udp -m state --state NEW -m udp --dport 69 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p udp -m state --state NEW -m udp --dport 111 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p udp -m state --state NEW -m udp --dport 123 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p tcp -m state --state NEW -m tcp --dport 2049 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p udp -m state --state NEW -m udp --dport 2049 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p udp -m state --state NEW -m udp --dport 4047 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p tcp -m state --state NEW -m tcp --dport 4047 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p tcp -m state --state NEW -m tcp --dport 4048 -j ACCEPT
-A INPUT -i {{ lan_iface }} -p udp -m state --state NEW -m udp --dport 4048 -j ACCEPT
-A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i {{ lan_iface }} -o {{ lan_iface }} -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i {{ lan_iface }} -j ACCEPT
COMMIT
*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A POSTROUTING -o {{ wan_iface }} -j MASQUERADE
COMMIT