RFC9931 · Security Considerations for Optimistic Protocol Transitions in HTTP/1.1

{
  "id": "RFC9931",
  "number": 9931,
  "title_en": "Security Considerations for Optimistic Protocol Transitions in HTTP/1.1",
  "title_ru": "",
  "summary_ru": "",
  "purpose_ru": "",
  "use_ru": "",
  "full_translation_path": "",
  "full_translation_checked_at": "",
  "full_translation_source_sha256": "",
  "architect_note_ru": "",
  "topics_ru": [],
  "translation_state": "not_prepared",
  "verification_level": "not_prepared",
  "verification_level_ru": "Русская выжимка не подготовлена",
  "verification_note_ru": "",
  "abstract_en": "In HTTP/1.1, the client can request a change to a new protocol on the existing connection. This document discusses the security considerations that apply to data sent by the client before this request is confirmed and adds new requirements to RFCs 9112 and 9298 to avoid related security issues.",
  "authors": [
    "B. Schwartz"
  ],
  "organizations": [],
  "publication_date": "2026-03-01",
  "current_status": "PROPOSED STANDARD",
  "current_status_ru": "Предлагаемый стандарт",
  "publication_status": "PROPOSED STANDARD",
  "publication_status_ru": "Предлагаемый стандарт",
  "lifecycle": "active",
  "lifecycle_ru": "Действующий",
  "stream": "IETF",
  "stream_ru": "IETF",
  "area": "wit",
  "area_ru": "Веб и транспорт Интернета",
  "working_group": "httpbis",
  "source_draft": "draft-ietf-httpbis-optimistic-upgrade-06",
  "page_count": 11,
  "doi": "10.17487/RFC9931",
  "keywords": [
    "Request Smuggling",
    "False Start",
    "HTTP CONNECT"
  ],
  "formats": [
    "HTML",
    "TXT",
    "PDF",
    "XML"
  ],
  "relations": {
    "obsoletes": [],
    "obsoleted_by": [],
    "updates": [
      "RFC9112",
      "RFC9298"
    ],
    "updated_by": [],
    "is_also": [],
    "see_also": []
  },
  "links": {
    "info": "https://www.rfc-editor.org/info/rfc9931/",
    "html": "https://www.rfc-editor.org/rfc/rfc9931.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc9931.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc9931/"
  }
}