RFC 8737: Automated Certificate Management Environment (ACME) TLS Application-Layer Protocol Negotiation (ALPN) Challenge Extension

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

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Outgoing relationships (11 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words
Normative reference — RFC 5246: The Transport Layer Security (TLS) Protocol Version 1.2
Normative reference — RFC 5280: Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
Normative reference — RFC 4086: Randomness Requirements for Security
Normative reference — RFC 4648: The Base16, Base32, and Base64 Data Encodings
Normative reference — RFC 6066: Transport Layer Security (TLS) Extensions: Extension Definitions
Normative reference — RFC 3492: Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)
Normative reference — RFC 7301: Transport Layer Security (TLS) Application-Layer Protocol Negotiation Extension
Normative reference — RFC 8555: Automatic Certificate Management Environment (ACME)
Normative reference — RFC 4343: Domain Name System (DNS) Case Insensitivity Clarification

Incoming relationships (2 related RFCs)

Normatively referenced by — RFC 8738: Automated Certificate Management Environment (ACME) IP Identifier Validation Extension
Normatively referenced by — RFC 9799: Automated Certificate Management Environment (ACME) Extensions for ".onion" Special-Use Domain Names