{
  "number": 6520,
  "title": "Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension",
  "authors": [
    "R. Seggelmann",
    "M. Tuexen",
    "M. Williams"
  ],
  "published": "2012-02",
  "status": "Proposed Standard",
  "stream": "IETF",
  "area": "sec",
  "working_group": "tls",
  "pages": 9,
  "formats": [
    "TXT",
    "HTML"
  ],
  "abstract": "This document describes the Heartbeat Extension for the Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) protocols.\n\nThe 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]",
  "keywords": [
    "tls/dtls"
  ],
  "draft": "draft-ietf-tls-dtls-heartbeat-04",
  "doi": "10.17487/RFC6520",
  "errata_url": "https://www.rfc-editor.org/errata/rfc6520",
  "updated_by": [
    "RFC8447"
  ],
  "urls": {
    "html": "https://rfc.dk/rfc6520/",
    "text": "https://rfc.dk/rfc6520.txt",
    "rfc_editor": "https://www.rfc-editor.org/rfc/rfc6520",
    "datatracker": "https://datatracker.ietf.org/doc/rfc6520/"
  },
  "text_modified": "2012-02-08T00:40:30Z"
}