Which port is standard for HTTP traffic?

HTTP traffic traditionally uses port 80 as its standard port. This is the default port assigned for non-secure web communication. When a user types a URL in a web browser without specifying a port, the browser will automatically attempt to connect to the web server using port 80 for HTTP requests.

Ports 25, 443, and 21 serve different purposes. Port 25 is typically used for SMTP, which is responsible for sending email. Port 443 is the standard for HTTPS traffic, which is HTTP over a secure connection using SSL/TLS. Port 21 is associated with FTP (File Transfer Protocol), used for transferring files across networks. Understanding the specific functions of these ports is crucial for networking and security practices in IT.