You can check the existing counters from iptables to see if anything looks out of line,
It is also possible to add accounting rules to iptables which are used only to generate traffic counts. A tool like Shorewall makes it easy to do this and has specific documentation on Accounting rules
I really need something to send me email if something funky is going on. Like an unusual bump in usage. My machine has downloaded/uploaded 40GB in the last 2 days. I was actually not even near it most of the time, because we've been having a domestic medical emergency.
And, to be clear, 40GB in 2 days is extremely high traffic for me. And I have metered bandwidth.
Hi @cas. Are you around? My sister is in hospital. And the doctors said her kidneys have shut down, and they have put her on dialysis. Since I think you know about this stuff, I wondered if I could ask a few things about it.