# structure-2068

tool: get_rfc_structure
args: {"rfc":2068}

--- json ---
{
  "metadata": {
    "title": "Hypertext Transfer Protocol -- HTTP/1.1",
    "number": 2068,
    "date": "1997-01",
    "category": "std",
    "stream": "IETF",
    "abstract": "The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. [STANDARDS-TRACK]"
  },
  "sections": [
    {
      "number": "1",
      "title": "Introduction",
      "subsections": [
        {
          "number": "1.1",
          "title": "Purpose"
        },
        {
          "number": "1.2",
          "title": "Requirements"
        },
        {
          "number": "1.3",
          "title": "Terminology"
        },
        {
          "number": "1.4",
          "title": "Overall Operation"
        }
      ]
    },
    {
      "number": "2",
      "title": "Notational Conventions and Generic Grammar",
      "subsections": [
        {
          "number": "2.1",
          "title": "Augmented BNF"
        },
        {
          "number": "2.2",
          "title": "Basic Rules"
        }
      ]
    },
    {
      "number": "3",
      "title": "Protocol Parameters",
      "subsections": [
        {
          "number": "3.1",
          "title": "HTTP Version"
        },
        {
          "number": "3.2",
          "title": "Uniform Resource Identifiers",
          "subsections": [
            {
              "number": "3.2.1",
              "title": "General Syntax"
            },
            {
              "number": "3.2.2",
              "title": "http URL"
            },
            {
              "number": "3.2.3",
              "title": "URI Comparison"
            }
          ]
        },
        {
          "number": "3.3",
          "title": "Date/Time Formats",
          "subsections": [
            {
              "number": "3.3.1",
              "title": "Full Date"
            },
            {
              "number": "3.3.2",
              "title": "Delta Seconds"
            }
          ]
        },
        {
          "number": "3.4",
          "title": "Character Sets"
        },
        {
          "number": "3.5",
          "title": "Content Codings"
        },
        {
          "number": "3.6",
          "title": "Transfer Codings"
        },
        {
          "number": "3.7",
          "title": "Media Types",
          "subsections": [
            {
              "number": "3.7.1",
              "title": "Canonicalization and Text Defaults"
            },
            {
              "number": "3.7.2",
              "title": "Multipart Types"
            }
          ]
        },
        {
          "number": "3.8",
          "title": "Product Tokens"
        },
        {
          "number": "3.9",
          "title": "Quality Values"
        },
        {
          "number": "3.10",
          "title": "Language Tags"
        },
        {
          "number": "3.11",
          "title": "Entity Tags"
        },
        {
          "number": "3.12",
          "title": "Range Units"
        }
      ]
    },
    {
      "number": "4",
      "title": "HTTP Message",
      "subsections": [
        {
          "number": "4.1",
          "title": "Message Types"
        },
        {
          "number": "4.2",
          "title": "Message Headers"
        },
        {
          "number": "4.3",
          "title": "Message Body"
        },
        {
          "number": "4.4",
          "title": "Message Length"
        },
        {
          "number": "4.5",
          "title": "General Header Fields"
        }
      ]
    },
    {
      "number": "5",
      "title": "Request",
      "subsections": [
        {
          "number": "5.1",
          "title": "Request-Line",
          "subsections": [
            {
              "number": "5.1.1",
              "title": "Method"
            },
            {
              "number": "5.1.2",
              "title": "Request-URI"
            }
          ]
        },
        {
          "number": "5.2",
          "title": "The Resource Identified by a Request"
        },
        {
          "number": "5.3",
          "title": "Request Header Fields"
        }
      ]
    },
    {
      "number": "6",
      "title": "Response",
      "subsections": [
        {
          "number": "6.1",
          "title": "Status-Line",
          "subsections": [
            {
              "number": "6.1.1",
              "title": "Status Code and Reason Phrase"
            }
          ]
        },
        {
          "number": "6.2",
          "title": "Response Header Fields"
        }
      ]
    },
    {
      "number": "7",
      "title": "Entity",
      "subsections": [
        {
          "number": "7.1",
          "title": "Entity Header Fields"
        },
        {
          "number": "7.2",
          "title": "Entity Body",
          "subsections": [
            {
              "number": "7.2.1",
              "title": "Type"
            },
            {
              "number": "7.2.2",
              "title": "Length"
            }
          ]
        }
      ]
    },
    {
      "number": "8",
      "title": "Connections",
      "subsections": [
        {
          "number": "8.1",
          "title": "Persistent Connections",
          "subsections": [
            {
              "number": "8.1.1",
              "title": "Purpose"
            },
            {
              "number": "8.1.2",
              "title": "Overall Operation",
              "subsections": [
                {
                  "number": "8.1.2.1",
                  "title": "Negotiation"
                },
                {
                  "number": "8.1.2.2",
                  "title": "Pipelining"
                }
              ]
            },
            {
              "number": "8.1.3",
              "title": "Proxy Servers"
            },
            {
              "number": "8.1.4",
              "title": "Practical Considerations"
            }
          ]
        },
        {
          "number": "8.2",
          "title": "Message Transmission Requirements"
        }
      ]
    },
    {
      "number": "9",
      "title": "Method Definitions",
      "subsections": [
        {
          "number": "9.1",
          "title": "Safe and Idempotent Methods",
          "subsections": [
            {
              "number": "9.1.1",
              "title": "Safe Methods"
            },
            {
              "number": "9.1.2",
              "title": "Idempotent Methods"
            }
          ]
        },
        {
          "number": "9.2",
          "title": "OPTIONS"
        },
        {
          "number": "9.3",
          "title": "GET"
        },
        {
          "number": "9.4",
          "title": "HEAD"
        },
        {
          "number": "9.5",
          "title": "POST"
        },
        {
          "number": "9.6",
          "title": "PUT"
        },
        {
          "number": "9.7",
          "title": "DELETE"
        },
        {
          "number": "9.8",
          "title": "TRACE"
        }
      ]
    },
    {
      "number": "10",
      "title": "Status Code Definitions",
      "subsections": [
        {
          "number": "10.1",
          "title": "Informational 1xx",
          "subsections": [
            {
              "number": "10.1.1",
              "title": "100 Continue"
            },
            {
              "number": "10.1.2",
              "title": "101 Switching Protocols"
            }
          ]
        },
        {
          "number": "10.2",
          "title": "Successful 2xx",
          "subsections": [
            {
              "number": "10.2.1",
              "title": "200 OK"
            },
            {
              "number": "10.2.2",
              "title": "201 Created"
            },
            {
              "number": "10.2.3",
              "title": "202 Accepted"
            },
            {
              "number": "10.2.4",
              "title": "203 Non-Authoritative Information"
            },
            {
              "number": "10.2.5",
              "title": "204 No Content"
            },
            {
              "number": "10.2.6",
              "title": "205 Reset Content"
            },
            {
              "number": "10.2.7",
              "title": "206 Partial Content"
            }
          ]
        },
        {
          "number": "10.3",
          "title": "Redirection 3xx",
          "subsections": [
            {
              "number": "10.3.1",
              "title": "300 Multiple Choices"
            },
            {
              "number": "10.3.2",
              "title": "301 Moved Permanently"
            },
            {
              "number": "10.3.3",
              "title": "302 Moved Temporarily"
            },
            {
              "number": "10.3.4",
              "title": "303 See Other"
            },
            {
              "number": "10.3.5",
              "title": "304 Not Modified"
            },
            {
              "number": "10.3.6",
              "title": "305 Use Proxy"
            }
          ]
        },
        {
          "number": "10.4",
          "title": "Client Error 4xx",
          "subsections": [
            {
              "number": "10.4.1",
              "title": "400 Bad Request"
            },
            {
              "number": "10.4.2",
              "title": "401 Unauthorized"
            },
            {
              "number": "10.4.3",
              "title": "402 Payment Required"
            },
            {
              "number": "10.4.4",
              "title": "403 Forbidden"
            },
            {
              "number": "10.4.5",
              "title": "404 Not Found"
            },
            {
              "number": "10.4.6",
              "title": "405 Method Not Allowed"
            },
            {
              "number": "10.4.7",
              "title": "406 Not Acceptable"
            },
            {
              "number": "10.4.8",
              "title": "407 Proxy Authentication Required"
            },
            {
              "number": "10.4.9",
              "title": "408 Request Timeout"
            },
            {
              "number": "10.4.10",
              "title": "409 Conflict"
            },
            {
              "number": "10.4.11",
              "title": "410 Gone"
            },
            {
              "number": "10.4.12",
              "title": "411 Length Required"
            },
            {
              "number": "10.4.13",
              "title": "412 Precondition Failed"
            },
            {
              "number": "10.4.14",
              "title": "413 Request Entity Too Large"
            },
            {
              "number": "10.4.15",
              "title": "414 Request-URI Too Long"
            },
            {
              "number": "10.4.16",
              "title": "415 Unsupported Media Type"
            }
          ]
        },
        {
          "number": "10.5",
          "title": "Server Error 5xx",
          "subsections": [
            {
              "number": "10.5.1",
              "title": "500 Internal Server Error"
            },
            {
              "number": "10.5.2",
              "title": "501 Not Implemented"
            },
            {
              "number": "10.5.3",
              "title": "502 Bad Gateway"
            },
            {
              "number": "10.5.4",
              "title": "503 Service Unavailable"
            },
            {
              "number": "10.5.5",
              "title": "504 Gateway Timeout"
            },
            {
              "number": "10.5.6",
              "title": "505 HTTP Version Not Supported"
            }
          ]
        }
      ]
    },
    {
      "number": "11",
      "title": "Access Authentication",
      "subsections": [
        {
          "number": "11.1",
          "title": "Basic Authentication Scheme"
        },
        {
          "number": "11.2",
          "title": "Digest Authentication Scheme"
        }
      ]
    },
    {
      "number": "12",
      "title": "Content Negotiation",
      "subsections": [
        {
          "number": "12.1",
          "title": "Server-driven Negotiation"
        },
        {
          "number": "12.2",
          "title": "Agent-driven Negotiation"
        },
        {
          "number": "12.3",
          "title": "Transparent Negotiation"
        }
      ]
    },
    {
      "number": "13",
      "title": "Caching in HTTP",
      "subsections": [
        {
          "number": "13.1.1",
          "title": "Cache Correctness"
        },
        {
          "number": "13.1.2",
          "title": "Warnings"
        },
        {
          "number": "13.1.3",
          "title": "Cache-control Mechanisms"
        },
        {
          "number": "13.1.4",
          "title": "Explicit User Agent Warnings"
        },
        {
          "number": "13.1.5",
          "title": "Exceptions to the Rules and Warnings"
        },
        {
          "number": "13.1.6",
          "title": "Client-controlled Behavior"
        },
        {
          "number": "13.2",
          "title": "Expiration Model",
          "subsections": [
            {
              "number": "13.2.1",
              "title": "Server-Specified Expiration"
            },
            {
              "number": "13.2.2",
              "title": "Heuristic Expiration"
            },
            {
              "number": "13.2.3",
              "title": "Age Calculations"
            },
            {
              "number": "13.2.4",
              "title": "Expiration Calculations"
            },
            {
              "number": "13.2.5",
              "title": "Disambiguating Expiration Values"
            },
            {
              "number": "13.2.6",
              "title": "Disambiguating Multiple Responses"
            }
          ]
        },
        {
          "number": "13.3",
          "title": "Validation Model",
          "subsections": [
            {
              "number": "13.3.1",
              "title": "Last-modified Dates"
            },
            {
              "number": "13.3.2",
              "title": "Entity Tag Cache Validators"
            },
            {
              "number": "13.3.3",
              "title": "Weak and Strong Validators"
            },
            {
              "number": "13.3.4",
              "title": "Rules for When to Use Entity Tags and Last-modified Dates"
            },
            {
              "number": "13.3.5",
              "title": "Non-validating Conditionals"
            }
          ]
        },
        {
          "number": "13.4",
          "title": "Response Cachability"
        },
        {
          "number": "13.5",
          "title": "Constructing Responses From Caches",
          "subsections": [
            {
              "number": "13.5.1",
              "title": "End-to-end and Hop-by-hop Headers"
            },
            {
              "number": "13.5.2",
              "title": "Non-modifiable Headers"
            },
            {
              "number": "13.5.3",
              "title": "Combining Headers"
            },
            {
              "number": "13.5.4",
              "title": "Combining Byte Ranges"
            }
          ]
        },
        {
          "number": "13.6",
          "title": "Caching Negotiated Responses"
        },
        {
          "number": "13.7",
          "title": "Shared and Non-Shared Caches"
        },
        {
          "number": "13.8",
          "title": "Errors or Incomplete Response Cache Behavior"
        },
        {
          "number": "13.9",
          "title": "Side Effects of GET and HEAD"
        },
        {
          "number": "13.10",
          "title": "Invalidation After Updates or Deletions"
        },
        {
          "number": "13.11",
          "title": "Write-Through Mandatory"
        },
        {
          "number": "13.12",
          "title": "Cache Replacement"
        },
        {
          "number": "13.13",
          "title": "History Lists"
        }
      ]
    },
    {
      "number": "14",
      "title": "Header Field Definitions",
      "subsections": [
        {
          "number": "14.1",
          "title": "Accept"
        },
        {
          "number": "14.2",
          "title": "Accept-Charset"
        },
        {
          "number": "14.3",
          "title": "Accept-Encoding"
        },
        {
          "number": "14.4",
          "title": "Accept-Language"
        },
        {
          "number": "14.5",
          "title": "Accept-Ranges"
        },
        {
          "number": "14.6",
          "title": "Age"
        },
        {
          "number": "14.7",
          "title": "Allow"
        },
        {
          "number": "14.8",
          "title": "Authorization"
        },
        {
          "number": "14.9",
          "title": "Cache-Control",
          "subsections": [
            {
              "number": "14.9.1",
              "title": "What is Cachable"
            },
            {
              "number": "14.9.2",
              "title": "What May be Stored by Caches"
            },
            {
              "number": "14.9.3",
              "title": "Modifications of the Basic Expiration Mechanism"
            },
            {
              "number": "14.9.4",
              "title": "Cache Revalidation and Reload Controls"
            },
            {
              "number": "14.9.5",
              "title": "No-Transform Directive"
            },
            {
              "number": "14.9.6",
              "title": "Cache Control Extensions"
            }
          ]
        },
        {
          "number": "14.10",
          "title": "Connection"
        },
        {
          "number": "14.11",
          "title": "Content-Base"
        },
        {
          "number": "14.12",
          "title": "Content-Encoding"
        },
        {
          "number": "14.13",
          "title": "Content-Language"
        },
        {
          "number": "14.14",
          "title": "Content-Length"
        },
        {
          "number": "14.15",
          "title": "Content-Location"
        },
        {
          "number": "14.16",
          "title": "Content-MD5"
        },
        {
          "number": "14.17",
          "title": "Content-Range"
        },
        {
          "number": "14.18",
          "title": "Content-Type"
        },
        {
          "number": "14.19",
          "title": "Date"
        },
        {
          "number": "14.20",
          "title": "ETag"
        },
        {
          "number": "14.21",
          "title": "Expires"
        },
        {
          "number": "14.22",
          "title": "From"
        },
        {
          "number": "14.23",
          "title": "Host"
        },
        {
          "number": "14.24",
          "title": "If-Modified-Since"
        },
        {
          "number": "14.25",
          "title": "If-Match"
        },
        {
          "number": "14.26",
          "title": "If-None-Match"
        },
        {
          "number": "14.27",
          "title": "If-Range"
        },
        {
          "number": "14.28",
          "title": "If-Unmodified-Since"
        },
        {
          "number": "14.29",
          "title": "Last-Modified"
        },
        {
          "number": "14.30",
          "title": "Location"
        },
        {
          "number": "14.31",
          "title": "Max-Forwards"
        },
        {
          "number": "14.32",
          "title": "Pragma"
        },
        {
          "number": "14.33",
          "title": "Proxy-Authenticate"
        },
        {
          "number": "14.34",
          "title": "Proxy-Authorization"
        },
        {
          "number": "14.35",
          "title": "Public"
        },
        {
          "number": "14.36",
          "title": "Range",
          "subsections": [
            {
              "number": "14.36.1",
              "title": "Byte Ranges"
            },
            {
              "number": "14.36.2",
              "title": "Range Retrieval Requests"
            }
          ]
        },
        {
          "number": "14.37",
          "title": "Referer"
        },
        {
          "number": "14.38",
          "title": "Retry-After"
        },
        {
          "number": "14.39",
          "title": "Server"
        },
        {
          "number": "14.40",
          "title": "Transfer-Encoding"
        },
        {
          "number": "14.41",
          "title": "Upgrade"
        },
        {
          "number": "14.42",
          "title": "User-Agent"
        },
        {
          "number": "14.43",
          "title": "Vary"
        },
        {
          "number": "14.44",
          "title": "Via"
        },
        {
          "number": "14.45",
          "title": "Warning"
        },
        {
          "number": "14.46",
          "title": "WWW-Authenticate"
        }
      ]
    },
    {
      "number": "15",
      "title": "Security Considerations",
      "subsections": [
        {
          "number": "15.1",
          "title": "Authentication of Clients"
        },
        {
          "number": "15.2",
          "title": "Offering a Choice of Authentication Schemes"
        },
        {
          "number": "15.3",
          "title": "Abuse of Server Log Information"
        },
        {
          "number": "15.4",
          "title": "Transfer of Sensitive Information"
        },
        {
          "number": "15.5",
          "title": "Attacks Based On File and Path Names"
        },
        {
          "number": "15.6",
          "title": "Personal Information"
        },
        {
          "number": "15.7",
          "title": "Privacy Issues Connected to Accept Headers"
        },
        {
          "number": "15.8",
          "title": "DNS Spoofing"
        },
        {
          "number": "15.9",
          "title": "Location Headers and Spoofing"
        }
      ]
    },
    {
      "number": "16",
      "title": "Acknowledgments"
    },
    {
      "number": "17",
      "title": "References"
    },
    {
      "number": "18",
      "title": "Authors' Addresses"
    },
    {
      "number": "19",
      "title": "Appendices",
      "subsections": [
        {
          "number": "19.1",
          "title": "Internet Media Type message/http"
        },
        {
          "number": "19.2",
          "title": "Internet Media Type multipart/byteranges"
        },
        {
          "number": "19.3",
          "title": "Tolerant Applications"
        },
        {
          "number": "19.4",
          "title": "Differences Between HTTP Entities and MIME Entities",
          "subsections": [
            {
              "number": "19.4.1",
              "title": "Conversion to Canonical Form"
            },
            {
              "number": "19.4.2",
              "title": "Conversion of Date Formats"
            },
            {
              "number": "19.4.3",
              "title": "Introduction of Content-Encoding"
            },
            {
              "number": "19.4.4",
              "title": "No Content-Transfer-Encoding"
            },
            {
              "number": "19.4.5",
              "title": "HTTP Header Fields in Multipart Body-Parts"
            },
            {
              "number": "19.4.6",
              "title": "Introduction of Transfer-Encoding"
            },
            {
              "number": "19.4.7",
              "title": "MIME-Version"
            }
          ]
        },
        {
          "number": "19.5",
          "title": "Changes from HTTP/1.0",
          "subsections": [
            {
              "number": "19.5.1",
              "title": "Changes to Simplify Multi-homed Web Servers and Conserve IP Addresses"
            }
          ]
        },
        {
          "number": "19.6",
          "title": "Additional Features",
          "subsections": [
            {
              "number": "19.6.1",
              "title": "Additional Request Methods",
              "subsections": [
                {
                  "number": "19.6.1.1",
                  "title": "PATCH"
                },
                {
                  "number": "19.6.1.2",
                  "title": "LINK"
                },
                {
                  "number": "19.6.1.3",
                  "title": "UNLINK"
                }
              ]
            },
            {
              "number": "19.6.2",
              "title": "Additional Header Field Definitions",
              "subsections": [
                {
                  "number": "19.6.2.1",
                  "title": "Alternates"
                },
                {
                  "number": "19.6.2.2",
                  "title": "Content-Version"
                },
                {
                  "number": "19.6.2.3",
                  "title": "Derived-From"
                },
                {
                  "number": "19.6.2.4",
                  "title": "Link"
                },
                {
                  "number": "19.6.2.5",
                  "title": "URI"
                }
              ]
            }
          ]
        },
        {
          "number": "19.7",
          "title": "Compatibility with Previous Versions",
          "subsections": [
            {
              "number": "19.7.1",
              "title": "Compatibility with HTTP/1.0 Persistent Connections",
              "subsections": [
                {
                  "number": "19.7.1.1",
                  "title": "The Keep-Alive Header"
                }
              ]
            }
          ]
        }
      ]
    }
  ],
  "referenceCount": {
    "normative": 0,
    "informative": 32
  },
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  "_sourceNote": "Warning: Parsed from text format. Accuracy may be limited."
}