Guidelines and Registration Procedures for URI Schemes

This specification has been revised 3 times since RFC 2717 (1999). Each document below formally obsoleted the one before it; the versions still in force are listed first.

Revision timeline

Current version — implement against this

RFC 7595Guidelines and Registration Procedures for URI SchemesUpdated
June 2015best current practice

Superseded versions — historical reference only

RFC 2717Registration Procedures for URL Scheme NamesObsoleted
November 1999best current practicereplaced by RFC4395
RFC 2718Guidelines for new URL SchemesObsoleted
November 1999informationalreplaced by RFC4395
RFC 4395Guidelines and Registration Procedures for New URI SchemesObsoleted
February 2006best current practicereplaced by RFC7595

This lineage is derived automatically from the “obsoletes” relationships recorded in the public RFC Editor index — no editorial judgement is applied to the ordering. The most recent document in the chain is RFC 7595 (June 2015).