The Datagram Transport Layer Security (DTLS) Protocol Version 1.3

This specification has been revised 2 times since RFC 4347 (2006). Each document below formally obsoleted the one before it; the versions still in force are listed first.

Revision timeline

  1. RFC 4347 (2006)
  2. RFC 6347 (2012)
  3. RFC 9147 (2022)

Current version — implement against this

Superseded versions — historical reference only

This lineage is derived automatically from the “obsoletes” relationships recorded in the public RFC Editor index — no editorial judgement is applied to the ordering. The most recent document in the chain is RFC 9147 (April 2022).