Chain INPUT (policy ACCEPT 668 packets, 74407 bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT udp -- any any anywhere anywhere udp dpt:sip
0 0 ACCEPT udp -- any any anywhere anywhere udp dpts:ndmp:dnp
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 501 packets, 178K bytes)