Users' questions

How do I see who is using port 80 Ubuntu?

How do I see who is using port 80 Ubuntu?

Use /proc/$pid/exec file find out what is using port 80.

How do I find out who is using port 80?

To check what’s using Port 80:

  1. Open Command Line and use netstat -aon | findstr :80. -a Displays all active connections and the TCP and UDP ports on which the computer is.
  2. Then, to find which programs are using it, take the PID number and put them in tasklist /svc /FI “PID eq [PID Number]”
  3. Closing programs should resolve.

What service uses port 80?

Port 80 is one of the most commonly used port numbers in the Transmission Control Protocol (TCP) suite. Any Web/HTTP client, such as a Web browser, uses port 80 to send and receive requested Web pages from a HTTP server.

How do I find out what’s running on port 80 Linux?

To check the listening ports and applications on Linux:

  1. Open a terminal application i.e. shell prompt.
  2. Run any one of the following command on Linux to see open ports: sudo lsof -i -P -n | grep LISTEN. sudo netstat -tulpn | grep LISTEN.
  3. For the latest version of Linux use the ss command. For example, ss -tulw.

Why is port 80 listening?

Only one application can listen to a port at a given time, so Apache fails to bind to this port. As port 80 is the default port for http, the most likely reason is that another web server (like IIS) is running on your machine. However, some other applications may also block port 80.

How do I check if port 80 is open windows?

Port 80 Availability Check

  1. From the Windows Start menu, select Run.
  2. In the Run dialog box, enter: cmd .
  3. Click OK.
  4. In the command window, enter: netstat -ano.
  5. A list of active connections is displayed.
  6. Start Windows Task Manager and select the Processes tab.

How can I free up port 80?

This was the service using port 80….To stop this service:

  1. Go to Task Manager.
  2. Click the Services tab.
  3. Arrange the Services by description.
  4. Look for something that reads World Wide Web Publishing Service in the description column.
  5. Right click on it and select Stop Sevice.

How do I stop port 80 from listening?

It sounds like IIS is listening to port 80 for HTTP requests….This works for me:

  1. Right click on My Computer.
  2. Select Manage.
  3. Double click Services and Applications.
  4. Then double click Services.
  5. Right click on “World Wide Web Publishing Service”.
  6. Select Stop.