HTTPS

Instead of using plain text socket communication, HTTPS encrypts the session data using either a version of the SSL (Secure Socket Layer) protocol or the TLS (Transport Layer Security) protocol, thus ensuring reasonable protection from eavesdroppers, and man in the middle attacks. The default TCP/IP port of HTTPS is 443.

The level of protection depends on the correctness of the implementation by the web browser and the server software and the actual cryptographic algorithmss supported.

In web pages that use HTTPS, the URL begins with with 'https://' rather than 'http://'.

See also

• Computer security
• Internet protocol suite

• Technical specification of HTTP over TLS (RFC 2818)

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