Note that not all routers support modifying the management port. Taking TPLINK r4 149 as an example, the modification method is as follows:

1, the browser enters the router management ip, and the default is192.168.1.1,and press enter;

2. Enter the router administrator; Register your account and password, and then click OK. By default, they are all administrators;

3. Click on the left navigation system tool-Remote web Management, and you will see the current management port on the right interface;

4. Delete the original port, enter a new port number, and then click Save.