A network technician is configuring a firewall to allow secure web browsing for employees. Which of the following protocols uses the well-known TCP port 443 for this function?
SMTP
Telnet
HTTPS
SSH
Hypertext Transfer Protocol Secure (HTTPS) uses TCP port 443 to encrypt and transmit data for secure web communications. Telnet (port 23), SSH (port 22), and SMTP (port 25) are other common protocols, but they use different TCP ports for remote access and email services, respectively.
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