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RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension

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RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension

Summary

RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension is a Request for Comments[1].

Key Facts

  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension authored Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — author (P50): Michael Tüxen[2].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's instance of is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — instance of (P31): Request for Comments[3].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's publisher is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — publisher (P123): Internet Engineering Task Force[4].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's DOI is recorded as 10.17487/RFC6520[5].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's language of work or name is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — language of work or name (P407): English[6].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's publication date is recorded as +2012-02-01T00:00:00Z[7].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's RfC ID is recorded as 6520[8].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's main subject is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — main subject (P921): Datagram Transport Layer Security[9].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's main subject is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — main subject (P921): Transport Layer Security[10].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's work available at URL is recorded as https://tools.ietf.org/html/rfc6520[11].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's work available at URL is recorded as https://tools.ietf.org/rfc/rfc6520.txt[12].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's work available at URL is recorded as https://www.rfc-editor.org/rfc/rfc6520.txt[13].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's work available at URL is recorded as https://www.rfc-editor.org/pdfrfc/rfc6520.txt.pdf[14].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's number of pages is recorded as {'unit': '1', 'amount': '+9'}[15].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's title is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension[16].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's author name string is recorded as R. Seggelmann[17].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's author name string is recorded as M. Williams[18].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's amended by is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — amended by (P2567): RFC 8447: IANA Registry Updates for TLS and DTLS[19].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's cites work is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — cites work (P2860): RFC 2119: Key words for use in RFCs to Indicate Requirement Levels[20].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's cites work is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — cites work (P2860): RFC 5226: Guidelines for Writing an IANA Considerations Section in RFCs[21].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's cites work is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — cites work (P2860): RFC 5246: The Transport Layer Security (TLS) Protocol Version 1.2[22].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's cites work is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — cites work (P2860): RFC 6066: Transport Layer Security (TLS) Extensions: Extension Definitions[23].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's cites work is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — cites work (P2860): RFC 6347: Datagram Transport Layer Security Version 1.2[24].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's cites work is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — cites work (P2860): RFC 3436: Transport Layer Security over Stream Control Transmission Protocol[25].
  • RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's cites work is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — cites work (P2860): RFC 4820: Padding Chunk and Parameter for the Stream Control Transmission Protocol (SCTP)[26].

Body

Designation and Status

RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension's instance of is recorded as Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — instance of (P31): Request for Comments[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . RFC Index. Retrieved . wikidata.org.
  2. [2] ↑ . RFC Index. Retrieved . wikidata.org.
  3. [4] ↑ . RFC Index. Retrieved . wikidata.org.
  4. [5] ↑ . RFC Index. Retrieved . wikidata.org.
  5. [6] ↑ . RFC Index. Retrieved . wikidata.org.
  6. [7] ↑ . RFC Index. Retrieved . wikidata.org.
  7. [8] ↑ . RFC Index. Retrieved . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . RFC Index. Retrieved . wikidata.org.
  11. [12] ↑ . RFC Index. Retrieved . wikidata.org.
  12. [13] ↑ . RFC Index. Retrieved . wikidata.org.
  13. [14] ↑ . RFC Index. Retrieved . wikidata.org.
  14. [15] ↑ . RFC Index. Retrieved . wikidata.org.
  15. [16] ↑ . RFC Index. Retrieved . wikidata.org.
  16. [17] ↑ . RFC Index. Retrieved . wikidata.org.
  17. [18] ↑ . RFC Index. Retrieved . wikidata.org.
  18. [19] ↑ . RFC Index. Retrieved . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension. Retrieved May 3, 2026, from https://4ort.xyz/entity/rfc-6520-transport-layer-security-tls-and-datagram-transport-layer-security-dtls-heartbeat-extension
MLA “RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rfc-6520-transport-layer-security-tls-and-datagram-transport-layer-security-dtls-heartbeat-extension.
BibTeX @misc{4ortxyz_rfc-6520-transport-layer-security-tls-and-datagram-transport-layer-security-dtls-heartbeat-extension_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension}}, year = {2026}, url = {https://4ort.xyz/entity/rfc-6520-transport-layer-security-tls-and-datagram-transport-layer-security-dtls-heartbeat-extension}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RFC 6520: Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension — https://4ort.xyz/entity/rfc-6520-transport-layer-security-tls-and-datagram-transport-layer-security-dtls-heartbeat-extension (retrieved 2026-05-03)

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