https://learn.microsoft.com/en-us/dotnet/api/system.web.security.urlauthorizationmodule?view=netframework-4.8.1&redirectedfrom=MSDN
UrlAuthorizationModule Class (System.Web.Security) | Microsoft Learn
Verifies that the user has permission to access the URL requested. This class cannot be inherited.
class systemweb securitymicrosoftlearn