{
  "draft": null,
  "doc_id": "RFC640",
  "title": "Revised FTP reply codes",
  "authors": [
    "J. Postel"
  ],
  "format": [
    "TEXT",
    "HTML"
  ],
  "page_count": "17",
  "pub_status": "UNKNOWN",
  "status": "UNKNOWN",
  "source": "Legacy",
  "abstract": "Updates RFC 542.",
  "pub_date": "June 1974",
  "keywords": [],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [
    "RFC542"
  ],
  "updated_by": [],
  "see_also": [],
  "doi": "10.17487/RFC640",
  "errata_url": "https://www.rfc-editor.org/errata/rfc640"
}