ROUTER A root@OpenWrt:/etc# iptables -L input_rule -nv Chain input_rule (1 references) pkts bytes target prot opt in out source destination 0 0 ACCEPT tcp -- ppp0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:8088 root@OpenWrt:/etc# root@OpenWrt:/etc# iptables -L input_wan -nv Chain input_wan (1 references) pkts bytes target prot opt in out source destination 0 0 ACCEPT esp -- * * 0.0.0.0/0 0.0.0.0/0 10130 2229K ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:500 0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:4500 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 state NEW root@OpenWrt:/etc#