Network host status

This specification has been revised 7 times since RFC 235 (1971). Each document below formally obsoleted the one before it; the versions still in force are listed first.

Revision timeline

  1. RFC 235 (1971)
  2. RFC 240 (1971)
  3. RFC 252 (1971)
  4. RFC 255 (1971)
  5. RFC 266 (1971)
  6. RFC 267 (1971)
  7. RFC 287 (1971)
  8. RFC 288 (1972)

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Superseded versions — historical reference only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 288 (January 1972).