root@OpenWrt:/etc/openvpn# iptables -L -v
Chain INPUT (policy DROP 1 packets, 48 bytes)
 pkts bytes target     prot opt in     out     source               destination 
    0     0 DROP       all  --  any    any     anywhere             anywhere            state INVALID
  797 86950 ACCEPT     all  --  any    any     anywhere             anywhere            state RELATED,ESTABLISHED
    0     0 DROP       tcp  --  any    any     anywhere             anywhere            tcp option=!2 flags:SYN/SYN
  106  5268 input_rule  all  --  any    any     anywhere             anywhere   
  106  5268 input_wan  all  --  eth0.1 any     anywhere             anywhere    
   48  2484 LAN_ACCEPT  all  --  any    any     anywhere             anywhere   
    0     0 ACCEPT     icmp --  any    any     anywhere             anywhere    
    0     0 ACCEPT     gre  --  any    any     anywhere             anywhere    
   48  2484 REJECT     tcp  --  any    any     anywhere             anywhere            reject-with tcp-reset
    0     0 REJECT     all  --  any    any     anywhere             anywhere            reject-with icmp-port-unreachable
    0     0 ACCEPT     all  --  tap0   any     anywhere             anywhere    

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             anywhere
    0     0 forwarding_wan  all  --  eth0.1 any     anywhere             anywhere
    0     0 ACCEPT     all  --  br-lan br-lan  anywhere             anywhere    
    0     0 ACCEPT     all  --  br-lan eth0.1  anywhere             anywhere    
    0     0 ACCEPT     all  --  tap0   any     anywhere             anywhere    
    0     0 ACCEPT     all  --  tap0   any     anywhere             anywhere    
    0     0 ACCEPT     all  --  tap0   any     anywhere             anywhere    

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
  808  110K ACCEPT     all  --  any    any     anywhere             anywhere            state RELATED,ESTABLISHED
    0     0 output_rule  all  --  any    any     anywhere             anywhere  
    0     0 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 LAN_ACCEPT (1 references)
 pkts bytes target     prot opt in     out     source               destination 
   48  2484 RETURN     all  --  eth0.1 any     anywhere             anywhere    
    0     0 ACCEPT     all  --  any    any     anywhere             anywhere    

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 
   56  2688 ACCEPT     tcp  --  any    any     anywhere             anywhere            tcp dpt:443
    2    96 ACCEPT     tcp  --  any    any     anywhere             anywhere            tcp dpt:22

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