On Mon, Sep 24, 2012 at 10:21 AM, Paul Warren
<pdw@ex-parrot.com> wrote:
On 24/09/2012 17:08, Jonathan Abbey wrote:
On Mon, 24 Sep 2012 10:51:08 -0500, Shannon Rodrigues wrote:
| Hi Jon,
|
| Thank you for your reply.
| In my typical setup, I want a tool which will display download rates of a
| particular user/ subnet. I am configuring download limiting rules to user/
| subnet but unfortunately have no tool to verify whether the config is
| working or not.
iftop doesn't know anything about what user is communicating, it just
shows what ports and IP addresses are involved.
| Manually checking output of iftop is helpful, but I would like to push the
| output to a file so that I could verify this at the end of the day. Getting
| it listed by ports is not a necessity. Traffic to and from will solve my
| purpose.
| I would like the output of download rate of a user/ subnet to be written to
| a file for lets say a 5 second interval.
Couldn't you use netstat (or ss, on more modern Linuxes) for that? Or
tcpdump with some after the fact filtering?
iftop's claim to fame is real time curses-style graphing of traffic,
there are plenty of tools for doing statistics gathering that would be
more suitable for generating reports.
I don't intend to ever release it, and as Jon says, other tools are almost certainly a better starting point, but if you're particularly interested have a look at iftop-dump in CVS.
Paul