Determine what service listening on port 2007-07-13 - By joseph tacuyan
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how about nmapping it?
On 7/13/07, redhat@(protected) <redhat@(protected)> wrote:
>
> I have a RHEL ES3 server that has three listening udp ports open. I'm
> having a hard time trying to determine what service opened them up. The
> ports are udp 1020,1022,1023. I have tried to following: "netstat -lp",
> the PID/Program name column just shows a -, "fuser -n udp 1020",
> nothing returned, lsof -i :1020. nothing returned. I have shut down a
> few services in an attempt to discover who opened the ports, but no
> luck. Anything I may have forgotten?
>
> Thanks
>
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