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nmap -p1-65535 localhost gives me

8080/tcp open  http-proxy

What is the process that is using this port.

From /etc/services/:

http-alt    8080/tcp    webcache    # WWW caching service

marked as duplicate by Michael Mrozek Oct 26 '16 at 19:10

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You can use lsof to find out the list of processes runing on 8080

lsof -i :8080

You can get more detail about the process throught :

ps -ef | grep put_the _PID_here

If you do—

$ sudo netstat -lnp | grep :8080

you'll get something like

tcp        0      0*               LISTEN     12345/processname

The number before processname is the PID of the process listening on that port.

  • 1
    Note that on most distros netstat is deprecated. sudo ss -lnp should work just fine though – James_pic Oct 26 '16 at 16:51
  • @James_pic good point -- I'm just old :) – Flup Oct 26 '16 at 16:51

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