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Server Name Indication

TLS extension, where a client states the hostname at the start of the handshake so that a server can present multiple certificates on the same address/port; so it can serve multiple HTTPS sites at the same IP address with different certificates
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Server Name Indication

Summary

Server Name Indication ranks in the top 0.83% of general entities by monthly Wikipedia readership (1,284 views/month, #644 of 77,819).[1]

Key Facts

  • Server Name Indication's part of is recorded as Transport Layer Security[2].
  • Server Name Indication's Freebase ID is recorded as /m/03mc8f3[3].
  • Server Name Indication's described by source is recorded as RFC 3546: Transport Layer Security (TLS) Extensions[4].
  • Server Name Indication's described by source is recorded as RFC 4366: Transport Layer Security (TLS) Extensions[5].
  • Server Name Indication's described by source is recorded as RFC 6066: Transport Layer Security (TLS) Extensions: Extension Definitions[6].
  • Server Name Indication's Stack Exchange tag is recorded as https://serverfault.com/tags/sni[7].
  • Server Name Indication's Microsoft Academic ID is recorded as 2777710630[8].
  • Server Name Indication's Can I use feature ID is recorded as sni[9].

Why It Matters

Server Name Indication ranks in the top 0.83% of general entities by monthly Wikipedia readership (1,284 views/month, #644 of 77,819).[1] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[10] It is known by 6 alternative names across languages and contexts.[11]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata sitelinks. wikidata.org.
  3. [11] ↑ . Wikidata aliases. 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). Server Name Indication. Retrieved April 10, 2026, from https://4ort.xyz/entity/server-name-indication
MLA “Server Name Indication.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/server-name-indication.
BibTeX @misc{4ortxyz_server-name-indication_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Server Name Indication}}, year = {2026}, url = {https://4ort.xyz/entity/server-name-indication}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Server Name Indication — https://4ort.xyz/entity/server-name-indication (retrieved 2026-04-10)

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