metasystema.org
What is an RFC?IETFRFC EditorTopicsIndexesBrowse all
topics / optional encryption

RFCs about optional encryption

2 documents indexed under this keyword

  • RFC 5201Host Identity ProtocolObsoleted
    April 2008experimentalreplaced by RFC7401
  • RFC 7401Host Identity Protocol Version 2 (HIPv2)Updated
    April 2015proposed standard

metasystema indexes the public RFC Editor index maintained by the RFC Editor on behalf of the IETF. It is an independent project, not affiliated with the IETF or the RFC Editor. Explanations here are editorial summaries; the RFC text itself is always the authoritative source.

AboutEditorial policyData sourcesContact & corrections

9,828 documents indexed · data source: rfc-editor.org index · snapshot 23 August 2026