University of Michigan - Ann Arbor

HTTPS is standard HTTP wrapped in Transport Layer Security (TLS) encryption. It provides a secure communication channel between web browsers and servers, making modern websites secure by default.

The primary purpose of wrapping HTTP in TLS is privacy and integrity. Encryption ensures that data in transit cannot be intercepted, read, or tampered with by unauthorized parties between the client and the server.

While standard HTTP services run on port 80, web servers configured for encrypted HTTPS traffic typically listen on port 443.

HTTPS and TLS Encryption

On which port do web servers typically listen for encrypted HTTPS traffic?

Standard HTTP services typically run on port 443.

What are the two primary purposes of wrapping standard HTTP in Transport Layer Security (TLS) encryption?

Explain how HTTPS secures data communication between web browsers and servers, including the underlying security protocol used and the default ports associated with HTTP and HTTPS.

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