How to find out which process is using localhost:80? [closed]

StackOverflow https://stackoverflow.com/questions/16995296

  •  31-05-2022
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Question

I'm using linux mint xfce edition, my localhost:80 was used by some program but I don't which one, when I open firefox and visit localhost:80, it says

It works! This is the default web page for this server. The web server software is running but no content has been added, yet.

I've tried to use lsof -i @localhost:80, but it returns nothing.

Was it helpful?

Solution

netstat -anpt | grep :80 as root user should list process using port 80. With your web browser closed it can help you identify the process.

OTHER TIPS

Try this:

# fuser -n tcp 80

From the manpage:

-n SPACE, --namespace SPACE
      Select  a  different  name space.  The name spaces file (file names, 
      the default), udp (local UDP ports), and tcp (local TCP ports)
      are supported.  For ports, either the port number or the symbolic name can 
      be specified.  If there is no  ambiguity,  the  shortcut
      notation name/space (e.g. 80/tcp) can be used.
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