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watch iptables counters

Terminal - watch iptables counters
watch --interval 0 'iptables -nvL | grep -v "0 0"'
2009-08-22 18:18:05
User: Code_Bleu
Functions: grep watch
7
watch iptables counters

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"

Alternatives

There are 3 alternatives - vote for the best!

Terminal - Alternatives
watch 'iptables -vL'
2009-03-20 14:49:12
User: alanr723
Functions: watch
3

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.

while true; do iptables -nvL > /tmp/now; diff -U0 /tmp/prev /tmp/now > /tmp/diff; clear; cat /tmp/diff; mv /tmp/now /tmp/prev; slee p 1; done
2012-04-15 00:02:33
Functions: cat diff iptables mv
0

this alternative shows the differences as they occur so that they are made plain

watch -d -n 2 iptables -nvL
2014-02-23 16:35:03
User: xxdesmus
Functions: iptables watch
0

This will highlight (with a box over it) any changes since the last refresh.

Know a better way?

If you can do better, submit your command here.

What others think

You can use watch to identify/highlight the changes between refreshes like this:

watch -d -n 2 iptables -nvL

It'll highlight (with a box over it) any changes since the last refresh.

Comment by xxdesmus 130 weeks and 5 days ago

This is EXACTLY what I needed, thanks!

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