RFC2616

RFC2616 - Hypertext Transfer Protocol -- HTTP/1.1

HTTP Request

Request-Line

1. Method
   • OPTIONS
   • GET
   • HEAD
   • POST
   • PUT
   • DELETE
   • TRACE
   • CONNECT
2. Request-URI
3. HTTP-Version
   • HTTP/0.9
   • HTTP/1.0
   • HTTP/1.1

headers

• general-header
  • Cache-Control
  • Connection
  • Date
  • Pragma
  • Trailer
  • Transfer-Encoding
  • Upgrade
  • Via
  • Warning
• request-header
  • Accept
  • Accept-Charset
  • Accept-Encoding
  • Accept-Language
  • Authorization
  • Expect
  • From
  • Host
  • If-Match
  • If-Modified-Since
  • If-None-Match
  • If-Range
  • If-Unmodified-Since
  • Max-Forwards
  • Proxy-Authorization
  • Range
  • Referer
  • TE
  • User-Agent
• entity-header

CRLF

• CR =
• LF =

message-body

HTTP Response

Status-Line

1. HTTP-Version
   • HTTP/0.9
   • HTTP/1.0
   • HTTP/1.1
2. Status-Code : Reason-Phrase
   • "100" : Continue
   • "101" : Switching Protocols
   • "200" : OK
   • "201" : Created
   • "202" : Accepted
   • "203" : Non-Authoritative Information
   • "204" : No Content
   • "205" : Reset Content
   • "206" : Partial Content
   • "300" : Multiple Choices
   • "301" : Moved Permanently
   • "302" : Found
   • "303" : See Other
   • "304" : Not Modified
   • "305" : Use Proxy
   • "307" : Temporary Redirect
   • "400" : Bad Request
   • "401" : Unauthorized
   • "402" : Payment Required
   • "403" : Forbidden
   • "404" : Not Found
   • "405" : Method Not Allowed
   • "406" : Not Acceptable
   • "407" : Proxy Authentication Required
   • "408" : Request Time-out
   • "409" : Conflict
   • "410" : Gone
   • "411" : Length Required
   • "412" : Precondition Failed
   • "413" : Request Entity Too Large
   • "414" : Request-URI Too Large
   • "415" : Unsupported Media Type
   • "416" : Requested range not satisfiable
   • "417" : Expectation Failed
   • "500" : Internal Server Error
   • "501" : Not Implemented
   • "502" : Bad Gateway
   • "503" : Service Unavailable
   • "504" : Gateway Time-out
   • "505" : HTTP Version not supported

headers

• general-header
  • Cache-Control
  • Connection
  • Date
  • Pragma
  • Trailer
  • Transfer-Encoding
  • Upgrade
  • Via
  • Warning
• response-header
  • Accept-Ranges
  • Age
  • ETag
  • Location
  • Proxy-Authenticate
  • Retry-After
  • Server
  • Vary
  • WWW-Authenticate
• entity-header
  • Allow
  • Content-Encoding
  • Content-Language
  • Content-Length
  • Content-Location
  • Content-MD5
  • Content-Range
  • Content-Type
  • Expires
  • Last-Modified

CRLF

• CR =
• LF =

message-body