Applicability Statement for Reclassification of RFC 1643 to Historic Status

This specification has been revised 4 times since RFC 1284 (1991). Each document below formally obsoleted the one before it; the versions still in force are listed first.

Revision timeline

  1. RFC 1284 (1991)
  2. RFC 1398 (1993)
  3. RFC 1623 (1994)
  4. RFC 1643 (1994)
  5. RFC 3638 (2003)

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Superseded versions — historical reference only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 3638 (October 2003).