ASP.NET Core and 502 Bad Gateway Response

502 bad gateway error response is not like traditional 500 error which is mostly a code problem, this make it even difficult to troubleshoot the root cause and I also see quite a few confuse from developers that why there is 502 error in ASP.NET Core production environment. Basically, the HTTP 502 Bad Gateway server…

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How to Support Windows Authentication for ASP.NET Core in IIS

When we are debugging and testing Windows Authentication based ASP.NET Core application in development environment, it is very straightforward. We can just use Windows Authentication based template to create the application without any code change. The launchSettings.json contains the following section to enable windows authentication and disable anonymous authentication. “iisSettings”: { “windowsAuthentication”: true, “anonymousAuthentication”: false,…

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Kerberos Constrained Delegation with ASP.NET

Some security issue may involve kerberos delegation, I have to capture network monitor to check the trace. Therefore, I am going to document the step to configure constrained kerberos delegation with ASP.NET application. The demo environment is in a single contoso.com domain. There are four computers(2012R2): dc: the domain controller for contoso.com dev: the development…

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