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RFC 4253: The Secure Shell (SSH) Transport Layer Protocol

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RFC 4253: The Secure Shell (SSH) Transport Layer Protocol

Summary

RFC 4253: The Secure Shell (SSH) Transport Layer Protocol is a Request for Comments[1].

Key Facts

  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's instance of is recorded as The Secure Shell (SSH) Transport Layer Protocol — instance of (P31): Request for Comments[2].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's publisher is recorded as The Secure Shell (SSH) Transport Layer Protocol — publisher (P123): Internet Engineering Task Force[3].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's DOI is recorded as 10.17487/RFC4253[4].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's language of work or name is recorded as The Secure Shell (SSH) Transport Layer Protocol — language of work or name (P407): English[5].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's publication date is recorded as +2006-01-01T00:00:00Z[6].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's RfC ID is recorded as 4253[7].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's main subject is recorded as The Secure Shell (SSH) Transport Layer Protocol — main subject (P921): Secure Shell[8].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's main subject is recorded as The Secure Shell (SSH) Transport Layer Protocol — main subject (P921): transport layer[9].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's main subject is recorded as The Secure Shell (SSH) Transport Layer Protocol — main subject (P921): cryptographic protocol[10].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's work available at URL is recorded as https://tools.ietf.org/html/rfc4253[11].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's work available at URL is recorded as https://tools.ietf.org/rfc/rfc4253.txt[12].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's work available at URL is recorded as https://www.rfc-editor.org/rfc/rfc4253.txt[13].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's work available at URL is recorded as https://www.rfc-editor.org/pdfrfc/rfc4253.txt.pdf[14].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's number of pages is recorded as {'unit': '1', 'amount': '+32'}[15].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's title is recorded as The Secure Shell (SSH) Transport Layer Protocol[16].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's author name string is recorded as T. Ylonen[17].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's author name string is recorded as C. Lonvick[18].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's amended by is recorded as The Secure Shell (SSH) Transport Layer Protocol — amended by (P2567): RFC 6668: SHA-2 Data Integrity Verification for the Secure Shell (SSH) Transport Layer Protocol[19].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's amended by is recorded as The Secure Shell (SSH) Transport Layer Protocol — amended by (P2567): RFC 8268: More Modular Exponentiation (MODP) Diffie-Hellman (DH) Key Exchange (KEX) Groups for Secure Shell (SSH)[20].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's amended by is recorded as The Secure Shell (SSH) Transport Layer Protocol — amended by (P2567): RFC 8308: Extension Negotiation in the Secure Shell (SSH) Protocol[21].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's amended by is recorded as The Secure Shell (SSH) Transport Layer Protocol — amended by (P2567): RFC 8332: Use of RSA Keys with SHA-256 and SHA-512 in the Secure Shell (SSH) Protocol[22].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's amended by is recorded as The Secure Shell (SSH) Transport Layer Protocol — amended by (P2567): RFC 8709: Ed25519 and Ed448 Public Key Algorithms for the Secure Shell (SSH) Protocol[23].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's amended by is recorded as The Secure Shell (SSH) Transport Layer Protocol — amended by (P2567): RFC 8758: Deprecating RC4 in Secure Shell (SSH)[24].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's amended by is recorded as The Secure Shell (SSH) Transport Layer Protocol — amended by (P2567): RFC 9142: Key Exchange (KEX) Method Updates and Recommendations for Secure Shell (SSH)[25].
  • RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's DBLP publication ID is recorded as journals/rfc/rfc4253[26].

Body

Designation and Status

RFC 4253: The Secure Shell (SSH) Transport Layer Protocol's instance of is recorded as The Secure Shell (SSH) Transport Layer Protocol — instance of (P31): Request for Comments[2].

References

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

Direct Wikidata claims

  1. [2] ↑ . RFC Index. Retrieved . wikidata.org.
  2. [3] ↑ . 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] ↑ . 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] ↑ . RFC Index. Retrieved . wikidata.org.
  20. [21] ↑ . RFC Index. Retrieved . wikidata.org.
  21. [22] ↑ . RFC Index. Retrieved . wikidata.org.
  22. [23] ↑ . RFC Index. Retrieved . wikidata.org.
  23. [24] ↑ . RFC Index. Retrieved . wikidata.org.
  24. [25] ↑ . RFC Index. Retrieved . wikidata.org.
  25. [26] ↑ . DBLP Dataset 2021-01-02. Retrieved . 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 4253: The Secure Shell (SSH) Transport Layer Protocol. Retrieved May 3, 2026, from https://4ort.xyz/entity/rfc-4253-the-secure-shell-ssh-transport-layer-protocol
MLA “RFC 4253: The Secure Shell (SSH) Transport Layer Protocol.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rfc-4253-the-secure-shell-ssh-transport-layer-protocol.
BibTeX @misc{4ortxyz_rfc-4253-the-secure-shell-ssh-transport-layer-protocol_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RFC 4253: The Secure Shell (SSH) Transport Layer Protocol}}, year = {2026}, url = {https://4ort.xyz/entity/rfc-4253-the-secure-shell-ssh-transport-layer-protocol}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RFC 4253: The Secure Shell (SSH) Transport Layer Protocol — https://4ort.xyz/entity/rfc-4253-the-secure-shell-ssh-transport-layer-protocol (retrieved 2026-05-03)

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