Internet Assigned Numbers Authority

Hypertext Transfer Protocol (HTTP) Problem Types

Created
2023-05-02
Last Updated
2023-09-07
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HTTP Problem Types

Registration Procedure(s)
Specification Required
Expert(s)
Mark Nottingham, Sanjay Dalal
Reference
[RFC9457]
Available Formats

CSV
Type URI Title Recommended HTTP Status Code Reference
about:blank See HTTP Status Code N/A [RFC9457]
https://iana.org/assignments/http-problem-types#date Date Not Acceptable 400 [RFC-ietf-ohai-ohttp-09, Section 6.5.2]
https://iana.org/assignments/http-problem-types#ohttp-key Oblivious HTTP key configuration not acceptable 400 [RFC-ietf-ohai-ohttp-09, Section 5.3]