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Check BW usage by port
randomguy55
Member
How can I check the B/W usage of a port.
Aka, port 25565 or 25566 etc
Comments
Maybe.... do an iptables rule kinda....
iptables -I INPUT -p tcp --dport 25565 -j ACCEPT
iptables -I OUTPUT -p tcp --sport 25565 -j ACCEPT
(not sure of the syntax)
Then you can do an
iptables -nvL
and you can watch the counters :P
I need to monitor over 200 ports.
I think iptraf should do what you want as well
(ncurses based traffic monitor based on port, destination, proto, size etc)
You could use pmacct to likely do it. pmacct uses libpcap to monitor so it won't eat too much CPU assuming you're not ripping a Gbit+ out of it.
PMACCT supports historical data saving into an SQL table too if you like
Francisco