Weird spurious traffic in Ubuntu

Question

linux

Recently strange problems with ubuntu started. There was a constant parasitic traffic of the order of 6kb / sec (outgoing), and it looks something like this:


When you reboot, the problem is sometimes fixed, sometimes not. At first I sinned on skype, but it's not him - the traffic remains even if you don't run any applications at all. In which direction to dig?

Answer 1

tcpdump of course) but, if knowledge is not enough / too lazy to understand / other ... then you can see network activity in real time using iptraf
to find out which process climbs into the network netstat -anp (-a all, -n numeric, -p program)
and then decide whether to cut with iptables or let yourself frolic :)

Answer 2

tcpdump

Answer 3

nethogs, trafshow.

Answer 4

Recently, they seem to have started showing all sorts of paid ads from Amazon and co. I can’t find the news (I’m sitting on fedora myself), but I read that this is how they raise the budget now. Perhaps this is the reason.

Answer 5

there is also 'lsof -i'

Answer 6

I guess it could be landscape.

Answer 7

netstat -naptu