How to solve the problem that nginx cannot start because port 80 is occupied under windows

1. Install

to download the latest version used under windows, which is currently 1.11.10, as shown in the picture:

Just download and unzip it.

2. Run

Run nginx, error message:

[emerg] 10348#10940: bind() to 0.0.0.0:80 failed (10013: an attempt was made to access a socket in a way forbidden by its access permissions)

As shown in the picture:

can also be seen in the log, open:

nginx-1.11.10\logs\error.log

As shown:

nginx is used by default Port 80, but port 80 is occupied under Windows, check:

is occupied by a process with pid 4, check:

is a system process. Take a look in the task manager:

Sure enough.

3. Problem Solving

The solution is to stop the system process from occupying port 80, and you need to modify the registry.

3.1 Open the registry

Enter regedit

3.2 Find the registration key and modify it

Found

hkey_local_machine\system\currentcontrolset\services\http

There is a reg_dword type item start registration item:

The original value is 3:

Change to 0:

3.3 Restart the operating system

Restart windows system, the original system process will not occupy port 80.

4. Re-run nginx

Run in the nginx installation directory:

start nginx.exe

or:

nginx.exe

As shown:

You can see in the task manager that two processes will be started in the background:

5. Close nginx

nginx.exe -s stop

or:

nginx.exe -s quit

stop can stop nginx quickly, but it may not save relevant information; quit is a complete and orderly stop of nginx. This process Relevant information will be saved.

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