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IETF RFC 8737

Automated Certificate Management Environment (ACME) TLS Application‑Layer Protocol Negotiation (ALPN) Challenge Extension

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Organization: IETF
Publication Date: 1 February 2020
Status: active
Page Count: 8
scope:

Abstract

This document specifies a new challenge for the Automated Certificate Management Environment (ACME) protocol that allows for domain control validation using TLS.

Document History

IETF RFC 8737
February 1, 2020
Automated Certificate Management Environment (ACME) TLS Application‑Layer Protocol Negotiation (ALPN) Challenge Extension
Abstract This document specifies a new challenge for the Automated Certificate Management Environment (ACME) protocol that allows for domain control validation using TLS.

References

This document references:
IETF RFC 3492 - Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)
Published by IETF on March 1, 2003
Punycode is a simple and efficient transfer encoding syntax designed for use with Internationalized Domain Names in Applications (IDNA). It uniquely and reversibly transforms a Unicode string into an...
This document references:
IETF RFC 4343 - Domain Name System (DNS) Case Insensitivity Clarification
Published by IETF on January 1, 2006
Domain Name System (DNS) names are "case insensitive". This document explains exactly what that means and provides a clear specification of the rules. This clarification updates RFCs 1034, 1035, and...
This document references:
IETF RFC 4648 - The Base16, Base32, and Base64 Data Encodings
Published by IETF on October 1, 2006
This document describes the commonly used base 64, base 32, and base 16 encoding schemes. It also discusses the use of line-feeds in encoded data, use of padding in encoded data, use of non-alphabet...
This document references:
IETF RFC 8555 - Automatic Certificate Management Environment (ACME)
Published by IETF on March 1, 2019
Public Key Infrastructure using X.509 (PKIX) certificates are used for a number of purposes, the most significant of which is the authentication of domain names. Thus, certification authorities (CAs)...
This document is referenced by:
IETF RFC 8738 - Automated Certificate Management Environment (ACME) IP Identifier Validation Extension
Published by IETF on February 1, 2020
Abstract This document specifies identifiers and challenges required to enable the Automated Certificate Management Environment (ACME) to issue certificates for IP addresses.
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