Which TCP port is used by default for HTTPS?

The correct answer is D. 443. HTTPS (HTTP Secure) uses TCP port 443 by default. This is the encrypted version of HTTP, secured via TLS/SSL. Port 53 is used for DNS, port 80 is used for standard HTTP (unencrypted), and port 143 is used for IMAP (email retrieval). When a browser connects to a website using…

Network Fundamentals

Question

Options

A53
B80
C143
D443

How the community answered

(28 responses)

A
4% (1)
C
4% (1)
D
93% (26)

Explanation

HTTPS (HTTP Secure) uses TCP port 443 by default. This is the encrypted version of HTTP, secured via TLS/SSL. Port 53 is used for DNS, port 80 is used for standard HTTP (unencrypted), and port 143 is used for IMAP (email retrieval). When a browser connects to a website using 'https://', it initiates a connection to port 443 unless otherwise specified.

Topics

#HTTPS#TCP Ports#Network Protocols#Security Protocols

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