[Ilugc] Net Traffic Log
- From: 0@xxxxxxxxxxx (0)
- Date: Sun, 24 Jun 2012 09:04:04 +0530
Is there a way to keep track of the network traffic through all the
different interface devices in my system. Or a library to do so, I want to
create a log that store the total size of file transfered since the script
or program starts running.
By default, iptables keeps track of the number of bytes and packets for
each rule. You can use the option -vx to display them. In your case,
based on what the script does, you can add an iptables rules matching
the network activity which will keep track of number of bytes and
packets. You can reset the counters using -Z option. Here is a sample
output from iptables,
$ sudo iptables -vxnL INPUT|tr -s ' '|cut -d" " -f14,2-4|tr ' ' '\t'
....
pkts bytes target
623 51632 ACCEPT
111 6362 ACCEPT
77 4620 ACCEPT
13454 805868 ACCEPT dpt:22
3500 182164 ACCEPT dpt:15025
166 9936 ACCEPT dpt:15465
1 60 ACCEPT dpt:15587
3768 199107 ACCEPT dpt:15993
3417 176023 REJECT
The article below may help, it seems to talk about traffic accounting
with iptables,
http://www.catonmat.net/blog/traffic-accounting-with-iptables/
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