{"draft":"draft-ietf-httpbis-p4-conditional-26","doc_id":"RFC7232","title":"Hypertext Transfer Protocol (HTTP\/1.1): Conditional Requests","authors":["R. Fielding, Ed.","J. Reschke, Ed."],"format":["ASCII","HTML"],"page_count":"28","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Hypertext Transfer Protocol Bis APP","abstract":"The Hypertext Transfer Protocol (HTTP) is a stateless application-\r\nlevel protocol for distributed, collaborative, hypertext information\r\nsystems.  This document defines HTTP\/1.1 conditional requests,\r\nincluding metadata header fields for indicating state changes,\r\nrequest header fields for making preconditions on such state, and\r\nrules for constructing the responses to a conditional request when\r\none or more preconditions evaluate to false.","pub_date":"June 2014","keywords":["HyperText Transfer Protocol","HTTP","HTTP conditional requests"],"obsoletes":["RFC2616"],"obsoleted_by":["RFC9110"],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC7232","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc7232"}