Ales,

On Mon, 20 Jan 2003 13:15:38 +0100 ales wrote:

> How can I collect network traffic from my bering router. It is using 
> onely one FD.
> I want to know how much traffic does one IP from LAN made thrue my 
> bering firewall in a perioed?


One way would be to parse the packet and byte counts from the
output of "iptables -L -v".  If you have a zone setup for each
host (or set of hosts) you are interested in that approach is
easier because you can specify the chain.  E.g. to see the
counts for traffic from the "loc" zone to the "net" zone:

  iptables -vn -L loc2net | head -n 3 | tail -n 1

I believe the values rollover when they get too high, so you
would need to account for that.  You can also zero them with
the iptables "-Z" flag.  (Certain shorewall operations may zero
them as well.)

Another approach would be to use software like ntop or iptraf.
IIRC, I have seen (old) LRP packages for both floating around, so
you might get lucky and find one that is already compiled for
glibc 2.0.7 .

--Brad



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