{
  "draft": "draft-ietf-tls-dtls-heartbeat-04",
  "doc_id": "RFC6520",
  "title": "Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension",
  "authors": [
    "R. Seggelmann",
    "M. Tuexen",
    "M. Williams"
  ],
  "format": [
    "TEXT",
    "HTML"
  ],
  "page_count": "9",
  "pub_status": "PROPOSED STANDARD",
  "status": "PROPOSED STANDARD",
  "source": "Transport Layer Security",
  "abstract": "This document describes the Heartbeat Extension for the Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) protocols.\n\n The Heartbeat Extension provides a new protocol for TLS/DTLS allowing the usage of keep-alive functionality without performing a renegotiation and a basis for path MTU (PMTU) discovery for DTLS. [STANDARDS-TRACK]",
  "pub_date": "February 2012",
  "keywords": [
    "tls/dtls"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [
    "RFC8447"
  ],
  "see_also": [],
  "doi": "10.17487/RFC6520",
  "errata_url": "https://www.rfc-editor.org/errata/rfc6520"
}