This has been obsoleted by http://www.w3.org/2011/http-statusCodes.rdfs (Reserved) Found Bad Request Multi-Status Processing Server Error The group of status codes starting with 5 http://www.rfc-editor.org/rfc/rfc2774.txt An HTTP Extension Framework http://www.rfc-editor.org/rfc/rfc4918.txt HTTP Extensions for Distributed Authoring - WebDAV Not Found Request Timeout Accepted Bad Gateway Failed Dependency http://www.rfc-editor.org/rfc/rfc2817.txt Upgrading to TLS Within HTTP/1.1 Request-URI Too Long The group of all redirect All redirects IM Used The group of permanent redirects Permanent redirects Temporary Redirect Insufficient Storage See Other Unprocessable Entity The group of temporary redirects Temporary redirects Forbidden http://www.rfc-editor.org/rfc/rfc2518.txt HTTP Extensions for Distributed Authoring -- WEBDAV Created Proxy Authentication Required Expectation Failed Request Entity Too Large Locked Service Unavailable The group of status codes starting with 1 Informational Gateway Timeout Not Acceptable Reset Content Payment Required Continue Not Modified Precondition Failed Internal Server Error Upgrade Required Not Extended No Content Requested Range Not Satisfiable OK Multiple Choices The group of status codes starting with 2 Successful http://www.rfc-editor.org/rfc/rfc2616.txt Hypertext Transfer Protocol -- HTTP/1.1 HTTP Version Not Supported Partial Content Method Not Allowed Switching Protocols Client Error The group of status codes starting with 4 Use Proxy Unauthorized Not Implemented The group of status codes starting with 3 Redirection Gone Length Required Unsupported Media Type Conflict Non-Authoritative Information http://www.rfc-editor.org/rfc/rfc3229.txt Delta encoding in HTTP Moved Permanently