[CentOS] Tracking Traffic By Port or Process?
Johnny Hughes
mailing-lists at hughesjr.com
Mon Aug 1 13:13:06 UTC 2005
On Mon, August 1, 2005 8:05 am, Kennedy Clark said:
> Does anyone know of a way to track TCP/IP traffic by TCP/UDP port
> and/or by process/daemon with CentOS? I know a variety of ways to
> track it in total (e.g., ifInOctets & ifOutOctets with SNMP), but I'm
> not sure how to be approach seeing traffic by application, port, or
> process.
>
> One option would be to write something that would sift through
> different stuff for each daemon (for example, with apache, you could
> add up all the bytes sent by summing up the values in 'access_log'),
> but I was hoping for a more centralized method that would work the
> same for all daemons and/or ports.
iptraf will show you real time information by port ... and netstat -aptn
will show you what programs/services are using which ports
>
> One approach I have though about is using iptables... "iptables -L -n
> -v" gives detail on packets and byte counts by ACL entry. Does anyone
> have any experience with any tools that grab this info and
> graph/report on it?
>
> My searches have yielded tons of hits, but none of it seems relevant.
> Are there any tools that measure this?
>
> Thanks,
> KC
--
Johnny Hughes
<http://www.HughesJR.com/>
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