First name
request
response
main body
Allow
§
Authorization
§
Content-encoding
§
Content-Length
§
Content-Type
§
Date
§
§
EXPIRES
§
From
§
IF-modified-scence
§
Last-modified
§
Location
§
Mime-Version
§
§
PROGMA
§
§
Referer
§
Server
§
User-agent
§
WWW-Authenticate
§
Packet head
response
Description
1 Y Z
Information type, currently not
2 0 0
2 0 1
2 0 2
2 0 4
success
O K, request success
O K, new resource establishment (P O s T command)
The request is accepted, but the processing is not completed
O K, but no content returned
3 0 1
3 0 2
3 0 4
Redirection; need user agent to implement more action
The requested resource has been assigned to a new fixed U r L
The requested resource is temporarily located in additional U r
Documentation has no modification (condition G e t)
4 0 0
4 0 1
4 0 3
4 0 4
Customer error
bad Request
Not authorized; the request requires user authentication
Unexplained prohibition
could not find it
5 0 0
5 0 1
5 0 2
5 0 3
Server error
Internal server error
Not realize
Error gateway; invalid response of gateway or upstream server
Service temporary invalid
HTTP 3-bit response code