Lists all listening ports together with the PID of the associated process

netstat -anpe
Lists all opened sockets (not only listeners), no DNS resolution (so it's fast), the process id and the user holding the socket. Previous samples were limiting to TCP too, this also lists UDP listeners.
Sample Output
anarcat@desktop006:~$ sudo netstat -anpe
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       User       Inode       PID/Program name
tcp        0      0 127.0.0.1:7777          0.0.0.0:*               LISTEN      10001      4231907     18055/ssh
tcp        0      0 0.0.0.0:9876            0.0.0.0:*               LISTEN      10001      239116      13676/gmpc
tcp        0      0 192.168.20.106:44718    74.125.225.44:80        ESTABLISHED 10001      4287328     2466/chromium-brows
tcp6       0      0 :::22                   :::*                    LISTEN      0          5382        1239/sshd
udp        0      0 0.0.0.0:49976           0.0.0.0:*                           105        5647        1315/avahi-daemon:

1
By: anarcat
2011-12-06 18:27:09

4 Alternatives + Submit Alt

  • This command is more portable than it's cousin netstat. It works well on all the BSDs, GNU/Linux, AIX and Mac OS X. You won't find lsof by default on Solaris or HPUX by default, but packages exist around the web for installation, if needed, and the command works as shown. This is the most portable command I can find that lists listening ports and their associated pid. Show Sample Output


    29
    lsof -Pan -i tcp -i udp
    atoponce · 2010-06-07 15:22:44 6
  • While `lsof` will work, why not use the tool designed explicitly for this job? (If not run as root, you will only see the names of PID you own) Show Sample Output


    8
    netstat -plnt
    DopeGhoti · 2011-09-30 19:56:32 1
  • Alternative of OJM snippet : This one show the IP too, where ports bind. It's very important, because if there's only 127.0.0.1 instead of 0.0.0.0, connections from internet are rejected.


    3
    netstat -nptl
    sputnick · 2009-12-11 10:23:43 2
  • Shows you all listening tcp/udp ports, and what program has them open(depending on rights)


    -2
    netstat -tunlp
    ender_x · 2010-06-07 13:26:05 1

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rahimhh21 · 5 weeks and 4 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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