HTTP

Hypertext Transfer Protocol - Stateless hypertext transfer protocol.

Using the HTTP protocol are sent to request that Web documents and information about clicks on a link and information from forms. HTTP provides a standardized way of communicating computers together.

Below list of all response HTTP codes.

informational codes

• 100 Countinue
• 101 Switching Protocols
• 110 Connection Timed Out
• 111 Connection refused

accept codes

• 200 OK
• 201 Created
• 202 Accepted
• 203 Non-Authoritative Information
• 204 No Content
• 205 Reset Content
• 206 Partial Content

redirection codes

• 300 Multiple Choices
• 301 Moved Permanently
• 302 Found
• 303 See Other
• 304 Not Modified
• 305 Use Proxy
• 306 not used but restricted for older protocols verion
• 307 Temporary Redirect

customer application error codes

• 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 Timeout
• 409 Conflict
• 410 Gone
• 411 Length Required
• 412 Precondition Failed
• 413 Request Entity Too Large
• 414 Request URL Too Long
• 415 Unsupported Media Type
• 416 Request Range Not Satisfied
• 417 Expectation Failed

internal server error codes

• 500 Internal Server Error
• 501 Not Implemented
• 502 Bad Gateway
• 503 Service Unavailable
• 504 Gateway Timeout
• 505 HTTP Version Not Supported

Some codes have sections that are sub-error codes, such as 401.1, 401.2, 401.3, 401.4, 401.5. Currently, some versions of servers also show these sub-sections, such as IIS.