[{"draft":"","doc_id":"RFC0640","title":" Revised FTP reply codes ","authors":["J. Postel"],"format":["ASCII","HTML"],"page_count":"17","pub_status":"UNKNOWN","status":"UNKNOWN","source":"Legacy","abstract":"   Updates RFC 542.  ","pub_date":"June 1974","keywords":["  "],"obsoletes":[""],"obsoleted_by":[""],"updates":[" RFC0542"],"updated_by":[""],"see_also":[""],"doi":"10.17487\/RFC0640","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc0640"}]