Transport Layer Security Extensions: Extension Definitions
RFC 6066, “Transport Layer Security Extensions: Extension Definitions”, is a Proposed Standard document published in January 2011 by D. Eastlake 3rd. It obsoletes RFC 4366. It has since been updated by RFC 8446, RFC 8449, RFC 9325. The canonical text is published by the RFC Editor.
Abstract
This document provides specifications for existing TLS extensions. It is a companion document for RFC 5246, "The Transport Layer Security (TLS) Protocol Version 1.2". The extensions specified are server_name, max_fragment_length, client_certificate_url, trusted_ca_keys, truncated_hmac, and status_request. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 6066 is hosted at rfc-editor.org. Available in TXT,HTML.
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