Bandwidth Monitoring program

[Brett Glass]

Add a few IPFW "count" rules to count the bytes and packets. Then,
periodically harvest and reset the counters via a cron job and write 
the results to a file. You can then prepare tables and charts which 
are as simple or as fancy as you please, without resorting to SNMP 
(which isn't secure). A little bit of code in your favorite scripting 
language will do it. And of course you can output to a graphing
package, though for me a simple histogram using asterisks has
sufficient precision in most cases.

--Brett Glass

At 09:48 AM 12/5/2006, Benjamin Adams wrote:
 

>I'm on a network that has a normal store firewall, setup as a NAT.  I'm
>trying to find a way to monitor all bandwidth by clients through that
>firewall.  I don't have the ability to just put an inline box to examine
>packets.  Is there a program where I can see whats going on from the
>computer on that network.
>
>What I'm looking for is:
>client ip : 2.3 GB
>List of ports used in bandwidth amounts.
>
>
>Thanks for any help,
>Ben Adams
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