How to tell what port using what service?

[Harry Hoffman]

lsof -i :1521

will list the process that has the port open


On Thu, 5 Apr 2007, mark wrote:

> Angie,
> 
> Angie Moore wrote:
> > 
> > I'm trying to figure out what application or service is using my port 1521
> > on my Red Hat box. I ran netstat -n and it shows me that port 1521 is
> > listening, but does not show what application is causing it to run/listen.
> > 
> > Anyone here know how to find this information on Red Hat?
> 
> 1521 is Oracle's default port.
> 
> 	mark
> 
>