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This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.
Tells downstream proxies how to match future request headers to decide whether the cached response can be used rather than requesting a fresh one from the origin server. Example 1: Vary: * Example 2: Vary: Accept-Language; Permanent RFC 9110: Via: Informs the client of proxies through which the response was sent. Via: 1.0 fred, 1.1 example.com ...
If a server responds to a POST or other non-idempotent request with a 303 See Other response and a value for the location header, the client is expected to obtain the resource mentioned in the location header using the GET method; to trigger a request to the target resource using the same method, the server is expected to provide a 307 ...
An HTTP response with this status code will additionally provide a URL in the header field Location. This is an invitation to the user agent (e.g. a web browser) to make a second, otherwise identical, request to the new URL specified in the location field. The end result is a redirection to the new URL.
The response status code is a three-digit integer code representing the result of the server's attempt to understand and satisfy the client's corresponding request. The way the client handles the response depends primarily on the status code, and secondarily on the other response header fields.
If the user does not provide valid credentials or if the authentication fails, a 403 status code is returned. IP restrictions: The server may also restrict access to specific IP addresses or IP ranges. If the user's IP address is not included in the list of permitted addresses, a 403 status code is returned.
C# (/ ˌ s iː ˈ ʃ ɑːr p / see SHARP) [b] is a general-purpose high-level programming language supporting multiple paradigms.C# encompasses static typing, [16]: 4 strong typing, lexically scoped, imperative, declarative, functional, generic, [16]: 22 object-oriented (class-based), and component-oriented programming disciplines.
Testing for 0 such as (hr) or (!hr) will work most of the time but is incorrect for the rarely used success codes other than S_OK such as S_FALSE. To obtain the code part of an HRESULT, use the HRESULT_CODE() macro. Use the ERR.EXE tool to translate a value to the corresponding message text.