Upstairs did not return to the point, what is the port number, just like you enter a building, there are many entrances, different people take different entrances, then our computer network service programs have to exchange data, and each network service program has its own port number. 80 is the default port number of WWW, and 8080 does not specify the port number used by the network service program, which is defined by the user himself. The default port number of WWW is 80, which can also be changed. You can change the ratio to 8080, so the next time you open your website, you must add the port number after the domain name, so the port number can also be changed according to the needs of users. If you want to know more about port numbers, please refer to.

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