HTTP error status codes. They define errors as invalid requests from your browser that the website’s server can’t process. The problem may be a syntax error in the request, a non-existent URL, wrong credentials, etc. Your browser will usually produce a page with a particular error code...
For example, it may require a password. Unlike the 401 HTTP error code, the server does know the client’s identity. 404 — Not Found: The server can’t find the requested resource, and no redirection has been set. 404 errors can harm your SEO efforts. 405 — Method Not Allowed: ...
A 403 status code indicates that the client cannot access the requested resource. That might mean that the wrong username and password were sent in the request, or that the permissions on the server do not allow what was being asked. 404 - Not Found The best known of them all, the 404 ...
WINHTTP_OPTION_PROXY_PASSWORD LPWSTR - X X X - WINHTTP_OPTION_PROXY_SPN_USED LPWSTR - X X - - WINHTTP_OPTION_PROXY_USERNAME LPWSTR - X X X - WINHTTP_OPTION_READ_BUFFER_SIZE DWORD - X X X - WINHTTP_OPTION_RECEIVE_PROXY_CONNECT_RESPONSE BOOL X X - X - WINHTTP_OPTION_RECEIVE_RE...
WINHTTP_OPTION_PROXY_PASSWORD 设置或检索包含用于访问代理的密码的字符串值。 WINHTTP_OPTION_PROXY_SPN_USED 获取WinHTTP 在身份验证期间提供给 SSPI 的代理服务器主体名称。 此字符串值用于在身份验证失败后传递给SspiPromptForCredentials。 WINHTTP_OPTION_PROXY_USERNAME ...
401 Basic Authentication ErrorYesUser ID and password required for basic authentication. This is determined by security settings for the TCPIPSERVICE definition for the port.Yes 403 Forbidden (some situations: Client Authentication Error)YesBasic authentication was not successful. OR There is a problem...
case where you pass the string value “password” for the key password in the request body but the developer has blacklisted this string value on the server side to prevent users from using this as their password. In this case, what should be returned as the response status code: 400 or ...
500 Status Codes – Server Error Responses 500: There was an error on the server and the request could not be generated. This is a generic code that simply means, internal server error. Something went wrong on the server and what you’re requesting isn’t available. ...
try{usingvarresponse =awaithttpClient.GetAsync("https://localhost:5001/doesNotExists");// Throw for anything higher than 400.if(responseis{ StatusCode: >= HttpStatusCode.BadRequest }) {thrownewHttpRequestException("Something went wrong", inner:null, response.StatusCode); } } catch (HttpRequest...
("https://localhost:5001/doesNotExists");// Throw for anything higher than 400.if(responseis{ StatusCode: >= HttpStatusCode.BadRequest }) {thrownewHttpRequestException("Something went wrong", inner:null, response.StatusCode); } } catch (HttpRequestException ex)when(exis{ StatusCode: Http...