View source for HTTP Server Status Respose Codes

http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html

HTTP Server Status Respose Codes

HTTP Server Status Respose Codes, generally all defined in [http://www.w3.org/Protocols/rfc2616/rfc2616.html RFC2616], but additionally RFC4918 (WebDAV), RFC5842 (WebDAV), RFC3229, RFC2817 (WebDAV), RFC6585, RFC2295 (Transparent Content Negotiation)

{| class="vwikitable"
|-
! Type				!! Code	!!  Meaning		!! Comments
|-
|rowspan="3"| Information	|| 100	|| Continue		||
|-
| 101	                		|| Switching Protocols	||
|-
| 102	                		|| Processing		|| ''For WebDAV, but no longer used''
|-
|rowspan="10"| Success		|| 200	|| OK			|| Request succeeded
|-
| 201					|| Created		||
|-
| 202					|| Accepted		||
|-
| 203					|| Non-Authoritative Information	||
|-
| 204					|| No Content		||
|-
| 205					|| Reset Content	||
|-
| 206					|| Partial Content	||
|-
| 207					|| Multi-Status		|| WebDAV - Indicates that multiple other response codes are also included in the response
|-
| 208					|| Already Reported	|| WebDAV - Duplicate response
|-
| 226					|| IM Used		|| Instance Maniplulation used - see [http://tools.ietf.org/html/rfc3229 RFC3229]
|-
|rowspan="9"| Redirection	|| 300	|| Multiple Choices	||
|-
| 301					|| Moved Permanently	||
|-
| 302					|| Found		||
|-
| 303					|| See Other		|| Response to request can be found at other URI
|-
| 304					|| Not Modified		||
|-
| 305					|| Use Proxy		||
|-
| 306					|| ''Unused''		||
|-
| 307					|| Temporary Redirect	||
|-
| 308					|| Permanent Redirect	|| Response should include new URI
|-
|rowspan="27"| Client Error	|| 400	|| Bad Request		|| Syntax error in client request
|- 
| 401					|| Unauthorised		|| Requires authorisation via WWW-Authenticate
|-
| 402					|| Payment Required	|| ''Unused - expected to have future use''
|-
| 403					|| Forbidden		|| Refused by server (not unauthorised), can be caused by using [http://httpd.apache.org/docs/2.2/mod/mod_authz_host.html Apache mod_authz_host] Allow/Deny directives
|-
| 404					|| Not Found		||
|-
| 405					|| Method Not Allowed	||
|-
| 406					|| Not Acceptable	||
|-
| 407					|| Proxy Authentication Required ||
|-
| 408					|| Request Timeout	||
|-
| 409					|| Conflict		||
|-
| 410					|| Gone			|| Resource has been removed
|-
| 411					|| Length Required	|| Server requires Content-Length header field to be populated
|-
| 412					|| Precondition Failed	||
|- 
| 413					|| Request Entity Too Large	||
|-
| 414					|| Request-URI Too Long	||
|-
| 415					|| Unsupported Media Type	||
|-
| 416					|| Requested Range Not Satisfiable	||
|-
| 417					|| Expectation Failed	||
|- 
| 418					|| I'm a teapot		|| As defined in [https://tools.ietf.org/html/rfc2324 RFC2324]
|-
| 422					|| Unprocessable Entity	|| WebDAV - Syntax is correct, but unable to process content
|-
| 423					|| Locked		|| WebDAV - Source or destination item is locked
|-
| 424					|| Failed Dependency	|| WebDAV - Request failed as another action on which request was dependant failed
|-
| 425					|| ''Unused''		|| WebDAV - Expected to be used for advanced collections expired
|-
| 426					|| Upgrade Required	|| WebDAV - Indicates that client should upgrade to a different protocol (eg TLS)
|-
| 428					|| Precondition Required	|| 
|-
| 429					|| Too Many Requests	|| Client is exceeding a rate-limit for requests on server
|-
| 431					|| Request Header Fields Too Large
|-
|rowspan="10"| Server Error	|| 500	|| Internal Server Error	|| Unexpected error experienced by server
|-
| 501					|| Not Implemented	||
|-
| 502					|| Bad Gateway		||
|-
| 503					|| Service Unavailable	|| Temporary status (eg due to server overload or maintenance)
|-
| 504					|| Gateway Timeout	||
|-
| 505					|| HTTP Version Not Supported	||
|-
| 506					|| Variant Also Negotiates	|| ''Experimental - see [http://tools.ietf.org/html/rfc2295 RFC2295] - Transparent Content Negotiation''
|-
| 507					|| Insufficient Storage	|| WebDAV
|-
| 508					|| Loop Detected	|| WebDAV - Infinte loop detected whilst processing request
|-
| 511					|| Network Authentication Required	||
|}