[Tfug] Open port question.

Brian Murphy tfug@tfug.org
Mon Jul 1 13:51:02 2002


On Mon, Jul 01, 2002 at 10:29:13AM -0700, Ken Steen wrote:
> I ran nmap and it shows kdm listening on port 1024.  KDE isn't running
> and kdm is not used to login.  When I run a list of all the processes
> running kdm does not show up.  I checked /etc/init.d and kdm is not
> run on startup.  Does anyone know why it shows up as an open port?  

nmap takes the service name out of /etc/services.  This isn't 100%
reliable.  The lsof command can match a listening port to a process
(and much more).

Try "lsof -i TCP:1024" and see what you get.

You have to be root to run lsof.

Brian