Looking for logging into the Asp Net Authentication site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Asp Net Authentication site. After that you can login as usual with your login credentials.
https://docs.microsoft.com/tr-tr/aspnet/web-forms/overview/older-versions-security/introduction/an-overview-of-forms-authentication-cs
https://msdn.microsoft.com/en-us/library/xdt4thhy.aspx
https://docs.microsoft.com/tr-tr/aspnet/core/security/authentication/identity
https://stackoverflow.com/questions/1970655/asp-net-mvc-and-login-authentication
https://forums.asp.net/t/1804526.aspx?Very+Simple+Login+Authentication+System
https://www.codeproject.com/Articles/98950/ASP-NET-authentication-and-authorization
https://www.c-sharpcorner.com/UploadFile/fa9d0d/forms-authentication-in-Asp-Net/
https://www.splinter.com.au/aspnet-forms-authentication-to-your-own-datab/
http://tomasherceg.com/blog/post/modernizing-asp-net-web-forms-applications-part-2
https://developer.okta.com/blog/2018/10/29/add-login-to-you-aspnetcore-app
http://future-shock.net/blog/post/creating-a-simple-login-in-asp.net-core-2-using-authentication-and-authorization-not-identity
https://fullstackmark.com/post/13/jwt-authentication-with-aspnet-core-2-web-api-angular-5-net-core-identity-and-facebook-login
http://jasonwatmore.com/post/2018/06/26/aspnet-core-21-simple-api-for-authentication-registration-and-user-management