Re: how to find a port that some programs are using?

["Panos" <epp719 () aretousa epp teiher gr>]

see fuser
fuser -n tcp 80 gives u the process id of the program running on port 80
on tcp protocol, here web
same way for udp. fuser -n udp *port*
> Hi, I'm really sorry about the newbie question, but there it goes:
>
> I have some programs that makes a conection on it server, and I must
> know which port these programs are using.
>
> I'm under linux, if anyone knows some tool or something like this I'd be
> grateful.
>
> Thanks