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IETF RFC 9460
[ACTIVE]

Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records)

Metadata

Publisher
IETF
Doc Type
Standard
Pages
47
Abstract
This document specifies the "SVCB" ("Service Binding") and "HTTPS" DNS resource record (RR) types to facilitate the lookup of information needed to make connections to network services, such as for HTTP origins. SVCB records allow a service to be provided from multiple alternative endpoints, each with associated parameters (such as transport protocol configuration), and are extensible to support future uses (such as keys for encrypting the TLS ClientHello). They also enable aliasing of apex domains, which is not possible with CNAME. The HTTPS RR is a variation of SVCB for use with HTTP (see RFC 9110, "HTTP Semantics"). By providing more information to the client before it attempts to establish a connection, these records offer potential benefits to both performance and privacy.
Publication Date
2023-11-01
Status Note
Proposed Standard
DOI
10.17487/RFC9460
Link
https://doi.org/10.17487/RFC9460
Author(s)
Benjamin M. Schwartz
Mike Bishop
Erik Nygren
Keyword(s)
Multi CDN, HSTS, ECH, CNAME, ALPN, HTTP/3, Aliasing
Latest version of IETF RFC 9460

Document Versions — IETF RFC 9460

  • ▶ IETF RFC 9460 (2023-11-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 9460, Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records). Available at https://doi.org/10.17487/RFC9460
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IETF RFC 9460, Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records). Available at https://doi.org/10.17487/RFC9460

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IETF RFC 9460, Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records). Available at https://doi.org/10.17487/RFC9460
Snippet:
<span class="citation"><cite>IETF RFC 9460</cite>, Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records). Available at <a href="https://doi.org/10.17487/RFC9460" target="_blank" rel="noopener">https://doi.org/10.17487/RFC9460</a></span>

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IETF RFC 9460, Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records)
doi: 10.17487/RFC9460
url: https://doi.org/10.17487/RFC9460
Snippet:
<li>
<cite id="bib-rfc9460">IETF RFC 9460</cite>, Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records)
<span class="doi">10.17487/RFC9460</span>
</li>

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