What Is a Closed Port?

Port 443 is the web browsing port. It is mainly used for HTTPS services. It is another HTTP that provides encryption and transmission through a secure port. In some websites with high security requirements, such as banks, securities, shopping, etc., HTTPS services are used. In this way, the exchange of information on these websites, others capture encrypted data to ensure the security of the transaction. . The address of the webpage starts with https: // instead of the usual http: //.

Port 443 is the web browsing port. It is mainly used for HTTPS services. It is another HTTP that provides encryption and transmission through a secure port.

Service: Https

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HTTPS services are generally via SSL (

It is recommended to open this port for accessing secure web pages. In addition, in order to prevent hackers' attacks, security patches issued against SSL vulnerabilities should be installed in a timely manner.