What is listening on port 80?

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. One good example is Skype.

How do I stop port 80 from listening?

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

Right click on My Computer.
Select Manage.
Double click Services and Applications.
Then double click Services.
Right click on “World Wide Web Publishing Service”.
Select Stop.

Do games use port 80?

Port 80 and 443 are generally open on routers by default. Some games use port 80 to talk to the game server, but this port does not need to be forwarded.

What is TCP 80 used for?

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 can I tell if port 80 is listening?

Port 80 Availability Check

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

How can I tell what is listening on port 80?

Verify your account to enable IT peers to see that you are a professional. PID 4 is NTOSKRNL. This smells of a rootkit. Telnet to his system port 80 (Telnet 80) and see what’s returned. Was this post helpful? Thanks for your feedback! This person is a verified professional.

Is there a way to listen on IPv4 port 80?

That is a relatively light way to do it, because it still enables listening on localhost for IPv6. It just frees up IPv4 port 80. You could take it further with more specialized config. (You could even disable HTTP.SYS entirely, but that might break things using ports other than 80, so it may cause problems.)

Is it OK to use port 80 for HTTP?

That may be fine – if you really don’t want anything other than a particular process handling HTTP request on port 80, then it becomes tolerable to use an application server that fails to support the more flexible mechanisms offered by Windows.

Why is Unix can’t listen on port 80?

It’s fails, but it works on other ports (even < 1024 when i am root, but still fail on the port 80). I probably have something running on the port 80, i would like to identify it in order to change its listening port.

What is listening on port 80? 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. One good example is Skype. How do I stop port 80 from listening? It sounds…