Does the https port have to be 443?

Port 443 is the web browsing port, which is mainly used for HTTPS services. Port 80 is the default port for browsing web pages.

Port: 443

Service: Https

Description: Web browsing port, which can provide encryption and another type of HTTP transmitted through a secure port.

HTTPS (Secure Hypertext Transfer Protocol) Secure Hypertext Transfer Protocol It is a secure communication channel developed based on HTTP and used to exchange information between client computers and servers. It uses Secure Socket Layer (SSL) for information exchange, which is simply a secure version of HTTP.

The difference between HTTPS and HTTP:

The https protocol requires you to apply for a certificate from CA. Generally, there are very few free certificates and you need to pay a fee.

http is a hypertext transfer protocol, information is transmitted in plain text, https is a secure SSL encrypted transmission protocol

http and https use completely different connection methods and ports. They are different, the former is 80 and the latter is 443.

The http connection is very simple and stateless. The HTTPS protocol is a network protocol built from the SSL HTTP protocol that can perform encrypted transmission and identity authentication. It is more secure than the http protocol

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