and a short description. If this is not a GET or HEAD request, the browser disables automatic redirection unless the user confirms it, because the requested condition may vary. Note: For some use http/1.0Protocol Browser, when they send a POST request to get a 301 response, the next redirect request will become a get mode. 302 The requested resource is now temporarily responding to requests from different URIs. Because such redirects are temporary, the client should continue to send subsequen
Cache-control or expires. The new temporary URI should be returned in the location domain of the response. Unless this is a HEAD request, the response entity should contain a hyperlink to the new URI and a short description. If this is not a GET or HEAD request, then the browser disables automatic redirection unless the user confirms it, because the requested condition may vary. Note: Although the RFC 1945 and
: Although the RFC 1945 and RFC 2068 specifications do not allow the client to change the method of the request during redirection, many existing browsers treat the 302 response as a 303 response, and use GET to access the URI specified in the location, ignoring the method originally requested. Status Codes 303 and 307 are added to clarify how the server expects
space separated).In addition, to be compatible with IE6, ensure that the original file name must include the English extension !BottomLet's take a look at why we're doing this and why we can do that.First, according to the HTTP 1.1 protocol defined by RFC 2616 (RFC 2068 is the earliest version; 2616 replaces 2068 and
Move temporarily
The requested resource temporarily responds to the request from a different URI. Because such redirects are temporary, the client should continue to send subsequent requests to the original address. This response is cacheable only if specified in Cache-control or expires. mentioned above. If this is not a GET or HEAD request, then the browser disables automatic redirection unless the user confirms it, because the requested condition may vary. Note: Although the
should continue to send subsequent requests to the original address. Only in the cache-when specified in control or expires, the response is cacheable. The new temporary URI should be returned in the location domain of the response. Unless this is a head request, the response entity should contain a hyperlink to the new URI and a short description. If this is not a get or head request, then the browser disables automatic redirection unless the user confirms it, because the requested condi
2068 [33].
HTTP was first applied to WWW in 1990. This specification defines the HTTP/1.1 specification, which was recently updated in RFC 2068 Table of contents
Introduction... 1 Preface
Purpose... 1.1 Objective
Requirements... 1.2 requirements
Terminology... 1.3 terms
Overall operation... 1.4 Overview
Notational convention
redirection unless the user confirms it, because the requested condition may vary. Note: Although the RFC 1945 and RFC 2068 specifications do not allow the client to change the method of the request during redirection, many existing browsers treat the 302 response as a 303 response, and use GET to access the URI specified in the location, ignoring the method ori
: media type
RFC 2047 Multipurpose Internet Mail Extension Protocol (MIME) (Multipurpose Web Mail Extensions) Part III: Information title extension for non-ASCII text
RFC 2048 Multipurpose Internet Mail Extensions (Multipurpose Internet Mail Extension Protocol (MIME)) Part IV: Registration steps
RFC 2049 Multipurpose Internet Mail Extensions (Multipurpose Inte
APIs that were supposed to return and 405 Method Not Allowed return 404 made me crazy to think, "Did I hit the wrong URL or did I ask for the wrong HTTP method?" ”
I can tell you that if we go back 502 Bad Gateway (upstream service issues) rather than return confusing 500 Internal Server Error , then we were able to save a lot of time debugging problems.
Believe it or not, anyway, I believe it. A convention is being established in the widely used API to return status codes, for ex
condition may vary.Note: Although the RFC 1945 and RFC 2068 specifications do not allow the client to change the method of the request during redirection, many existing browsers treat the 302 response as a 303 response, and use get to access the URI specified in the location, ignoring the method originally requested. So status Codes 303 and 307 are added to clar
request, the response entity should contain a hyperlink to the new URI and a short description.If this is not a GET or HEAD request, the browser disables automatic redirection unless the user confirms it, because the requested condition may vary.Note: For some browsers that use the http/1.0 protocol, when they send a POST request that gets a 301 response, the next redirect request becomes a Get method.302 Move temporarily (temporary move)The requested resource temporarily responds to the reques
platform.2. The right to interpret the interpretation of this code belongs to China unicom Shandong Branch.3. References to standards and articles contained in the following standards shall constitute the provisions of this standard by reference to this standard. The version shown is valid at the time of standard publication. All standards will be modified, and parties using this standard should explore the possibility of using the latest versions of the following standards.
(Request-uri) for future requests. The response is cached only when the Cache-control or Expires header field is described.The temporary URI should be provided by the location field in the response. Unless the request method is head, the responding entity should contain a short hypertext comment with a hyperlink to the new URI.If the request method that receives a 302 status in response to a request is not head or get, then the user agent cannot automatically redirect the request unless the use
Ethod requested the service? "
I can tell you that if we return to 502 bad Gateway (upstream service issue) instead of returning the confusing Internal Server Error , we could have saved A lot of time to debug problems.
Whether you believe it or not, I believe it anyway. A convention is being established in the widely used API to return status codes such as 201 Created , 429 Too many reques TS and 503 Service unavialable . If you follow this Convention, users will be
limited to speculation. At present, algorithms are generated for realchallenge2, which is in the mplayer project. However, the generation of realchallenge1 and realchallenge3 does not have an algorithm. Currently, this process cannot pass.
4 SDP
Session Description Language Protocol
It is mainly used to describe the audio and video stream information of the file to be transmitted in the describe statement, including the rich information of the encoding format and frame rate, so that the player
body to send a 100 status code response. If a termination status code is returned, the server may act in a variety of ways, closing the connection, or continuing to read and ignore other parts of the request, if the server chooses to return the termination status code, it cannot be the method for executing the request.
--- When the client does not display a request that adds the "Tin: 100-continue" header, the server should not send a 100 status code response. For clients that do not support ht
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