Dissecting TLS Using Wireshark

Dissecting TLS Using Wireshark

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The primary goal of the Transport Layer Security protocol as defined in RFC 2246 (TLS version 1.0) is “to provide privacy and data integrity between two communicating applications.” The TLS protocol ensures this by encrypting data so that any third party is unable to intercept the communication; it also authenticates the peers to verify their identity. By providing a secure channel of communication between two peers, TLS protocol protects the integrity of the message and ensures it is not being tampered.

History

TLS and SSL are used interchangeably. TLS evolved from SSL protocol (SSL 3.0) that is no longer considered secure; vulnerabilities such as the POODLE attack has demonstrated this. TLS has gone through two iterations, RFC 4346 (TLS 1.1) and RFC 5246 (TLS 1.2), with the latest update TLS 1.3 being a working draft.

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May 26, 2017 at 07:30AM

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