Remoter port number3/27/2023 ![]() Proponents of enabling this port point out that it's helpful in redirecting traffic from HTTP to HTTPS. Techopedia Explains Port 80 Port 80 and CybersecurityĪlthough some cybersecurity experts suggest that closing port 80 can help with system protection, others believe that port 80 should be kept open. HTTPS (Hypertext Transfer Protocol Secure) Port 443 allows data transmission over an encrypted network, while Port 80 enables data transmission in plain text. Today, most websites use HTTPS, a more secure version of the HTTP protocol that uses port 443. This strategy began back in 1991 when Tim Berners-Lee's original specification for HTTP stated that if there was no port assigned to an HTTP connection, Port 80 should be used. ![]() To make it convenient for programmers, most popular network services are assigned "well-known" port numbers by default. When a client attempts to connect to a server and make a request, it needs to know both the server's IP address and which network service will be used to transfer data. It is the default network port used to send and receive unencrypted web pages. Port 80 is the port number assigned to commonly used internet communication protocol, Hypertext Transfer Protocol (HTTP). ![]()
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