root@OpenWrt:~$ iptables -L -v
Chain INPUT (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination                                     
    0     0 DROP       all  --  any    any     anywhere             anywhere                                                state INVALID
  266 16912 ACCEPT     all  --  any    any     anywhere             anywhere                                                state RELATED,ESTABLISHED
    0     0 DROP       tcp  --  any    any     anywhere             anywhere                                                tcp option=!2 flags:SYN/SYN
   11   894 input_rule  all  --  any    any     anywhere             anywhere                                       
    0     0 input_wan  all  --  ppp0   any     anywhere             anywhere                                        
   11   894 LAN_ACCEPT  all  --  any    any     anywhere             anywhere                                       
    0     0 ACCEPT     icmp --  any    any     anywhere             anywhere                                        
    0     0 ACCEPT     gre  --  any    any     anywhere             anywhere                                        
    0     0 REJECT     tcp  --  any    any     anywhere             anywhere                                                reject-with tcp-reset
    0     0 REJECT     all  --  any    any     anywhere             anywhere                                                reject-with icmp-port-unreachable

Chain FORWARD (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination                                     
    0     0 DROP       all  --  any    any     anywhere             anywhere                                                state INVALID
    0     0 TCPMSS     tcp  --  any    any     anywhere             anywhere                                                tcp flags:SYN,RST/SYN TCPMSS clamp to PMTU
    0     0 ACCEPT     all  --  any    any     anywhere             anywhere                                                state RELATED,ESTABLISHED
    0     0 forwarding_rule  all  --  any    any     anywhere             anywhe                                    re
    0     0 forwarding_wan  all  --  ppp0   any     anywhere             anywher                                    e
    0     0 ACCEPT     all  --  br0    br0     anywhere             anywhere                                        
    0     0 ACCEPT     all  --  br0    ppp0    anywhere             anywhere                                        
    0     0 MINIUPNPD  all  --  vlan1  !vlan1  anywhere             anywhere                                        

Chain LAN_ACCEPT (1 references)
 pkts bytes target     prot opt in     out     source               destination                                     
    0     0 RETURN     all  --  ppp0   any     anywhere             anywhere                                        
    0     0 RETURN     all  --  vlan1  any     anywhere             anywhere                                        
   11   894 ACCEPT     all  --  any    any     anywhere             anywhere                                        

Chain MINIUPNPD (1 references)
 pkts bytes target     prot opt in     out     source               destination                                     

Chain OUTPUT (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination                                     
    0     0 DROP       all  --  any    any     anywhere             anywhere                                                state INVALID
  299  156K ACCEPT     all  --  any    any     anywhere             anywhere                                                state RELATED,ESTABLISHED
  222 78144 output_rule  all  --  any    any     anywhere             anywhere                                      
  222 78144 ACCEPT     all  --  any    any     anywhere             anywhere                                        
    0     0 REJECT     tcp  --  any    any     anywhere             anywhere                                                reject-with tcp-reset
    0     0 REJECT     all  --  any    any     anywhere             anywhere                                                reject-with icmp-port-unreachable

Chain forwarding_rule (1 references)
 pkts bytes target     prot opt in     out     source               destination                                     

Chain forwarding_wan (1 references)
 pkts bytes target     prot opt in     out     source               destination                                     

Chain input_rule (1 references)
 pkts bytes target     prot opt in     out     source               destination                                     

Chain input_wan (1 references)
 pkts bytes target     prot opt in     out     source               destination                                     

Chain output_rule (1 references)
 pkts bytes target     prot opt in     out     source               destination