RFC 5785 · PROPOSED STANDARD · 2010
MON · 14 SEP 2026
Defining Well-Known Uniform Resource Identifiers
Overview
RFC 5785, “Defining Well-Known Uniform Resource Identifiers”, is a Proposed Standard document published in April 2010 by M. Nottingham, E. Hammer-Lahav. It updates RFC 2616, RFC 2818. It has been obsoleted by RFC 8615 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This memo defines a path prefix for "well-known locations", "/.well-known/", in selected Uniform Resource Identifier (URI) schemes. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 5785 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2010
- RFC 5784 Sieve Email Filtering: Sieves and Display Directives in XML
- RFC 5786 Advertising a Router's Local Addresses in OSPF Traffic Engineering Extensions
- RFC 5783 Congestion Control in the RFC Series
- RFC 5787 OSPFv2 Routing Protocols Extensions for Automatically Switched Optical Network Routing
- RFC 5782 DNS Blacklists and Whitelists
- RFC 5788 IMAP4 Keyword Registry
- RFC 5781 The rsync URI Scheme
- RFC 5789 PATCH Method for HTTP