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Watch the number of packets/bytes coming through the firewall. Useful in setting up new iptables rules or chains. Use this output to reorder rules for efficiency.
There are 2 alternatives - vote for the best!
This will allow you to watch as matches occur in real-time. To filter out only ACCEPT, DROP, LOG..etc, then run the following command: watch 'iptables -nvL | grep -v "0 0" && grep "ACCEPT"' The -v is used to do an inverted filter. ie. NOT "0 0"
this alternative shows the differences as they occur so that they are made plain
This will highlight (with a box over it) any changes since the last refresh.
If you can do better, submit your command here.
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