Netexpertise

As any other firewall, iptables is also able to do network statistics reporting. the -v (–verbose) option makes the list command (-L) show the packet and byte counters. Network stats are available on a per rule basis. Here’s an example on the INPUT chain:
 

[stats@network_server]$ sudo iptables -nvL INPUT
Chain INPUT (policy DROP 74941 packets, 7900K bytes)
[...]

Tags: firewall, iptables, linux, network, stats, traffic