RFC 8701 · INFORMATIONAL · 2020
WED · 29 JUL 2026
Applying Generate Random Extensions And Sustain Extensibility to TLS Extensibility
Overview
RFC 8701, “Applying Generate Random Extensions And Sustain Extensibility to TLS Extensibility”, is an Informational document published in January 2020 by D. Benjamin. The canonical text is published by the RFC Editor.
Abstract
This document describes GREASE (Generate Random Extensions And Sustain Extensibility), a mechanism to prevent extensibility failures in the TLS ecosystem. It reserves a set of TLS protocol values that may be advertised to ensure peers correctly handle unknown values.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 8701 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
Other RFCs from 2020
- RFC 8702 Use of the SHAKE One-Way Hash Functions in the Cryptographic Message Syntax
- RFC 8699 Coupled Congestion Control for RTP Media
- RFC 8703 Dynamic Link Exchange Protocol Link Identifier Extension
- RFC 8704 Enhanced Feasible-Path Unicast Reverse Path Forwarding
- RFC 8698 Network-Assisted Dynamic Adaptation : A Unified Congestion Control Scheme for Real-Time Media
- RFC 8705 OAuth 2.0 Mutual-TLS Client Authentication and Certificate-Bound Access Tokens
- RFC 8697 Path Computation Element Communication Protocol Extensions for Establishing Relationships between Sets of Label Switched Paths
- RFC 8706 Restart Signaling for IS-IS