Difference between revisions of "Port to PID"

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[[Category:Engineering]]
 
[[Category:Engineering]]
How do you find which process is listening on a given port? Use the `lsof` command.
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[[Category:Networking]]
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Use the `lsof` command to find which process is listening on a given port?
  
 
For example, I saw that some process was already using port 69 (normally TFTP).
 
For example, I saw that some process was already using port 69 (normally TFTP).

Revision as of 14:03, 28 August 2008

Use the `lsof` command to find which process is listening on a given port?

For example, I saw that some process was already using port 69 (normally TFTP).

lsof -i :69

To look for http:

lsof -i :80

You can also look for files opened by a given user or command:

lsof -u USER
lsof -c COMMAND