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Whats the difference between HTTP and HTTPS?

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The "S" in HTTPS indicates a secure site.

HTTP utilizes tcp/udp (Transmission Control Protocol/User Datagram Protocol) port 80 to transfer packets for unencrypted web surfing.

HTTPS utilizes tcp/udp port 443 for encrypted web surfing via SSL (Secure Sockets Layer) or the more recent TLS (Transport Layer Security) protocols. HTTPS provides for reasonably secure bi-directional encrypted communication on the Internet. [JMH]

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First answer by NYTECH. Last edit by John.m.horn. Contributor trust: 16 [recommend contributor]. Question popularity: 17 [recommend question]

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