ASP.NET MVC

To handle exceptions on Controller/Action level Exception Filters are used. [TypeFilter(typeof(SampleExceptionFilter))] public class ExceptionController : Controller Exception Filters are implemented using IExceptionFilter with OnExcetion method override to handle exceptions. Exception Filters can be applied to Controller and Action level. Further read: https://learn.microsoft.com/en-us/aspnet/core/mvc/controllers/filters?view=aspnetcore-7.0#exception-filters https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.mvc.filters.iexceptionfilter?view=aspnetcore-7.0

Pretty much everything. Default ASP.NET Core request handling pipeline is consisting of bunch of middlewares: Authentication Authorization CORS HTTP Logging MVC Static Files other Whole list of built-in middlewares can be found here: https://learn.microsoft.com/en-us/aspnet/core/fundamentals/middleware/?view=aspnetcore-7.0#built-in-middleware There is possibility to write custom middleware too.