Identification Protocol

This specification has been revised 2 times since RFC 912 (1984). Each document below formally obsoleted the one before it; the versions still in force are listed first.

Revision timeline

  1. RFC 912 (1984)
  2. RFC 931 (1985)
  3. RFC 1413 (1993)

Current version — implement against this

Superseded versions — historical reference only

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 1413 (February 1993).