What are Calssic mode authentication and claim based authentication ?
In SharePoint 2010 there are mainly two types of authentication mode.
Classic Mode and Claim Based authentication.
There are few differences between these two authentication mode.
One can be used as a windows authentication and other one can used as windows and form authentication both.
In SharePoint 2010 while creating a web application it will first asked for authentication type.There will be two option to choose.
Lets start with Classic Mode Authentication:1.)Classic Mode:
This is just a windows authentication. This authentication type can not be applicable for form based authentication. It means it will accept windows login details.2.)Claim Based Authentication:
By using claim based authentication in SharePoint 2010 web application, we can enable forms and windows authentication.
After creating web application in SharePoint 2010, if a user wants to change the authentication type, then user can change it by using power-shell command.
Type below command one by one and press enter:
By programmatically a user can know whether claim based authentication is being used for a particular web application or not by using this property:
SPWebApplication.UseClaimsAuthentication--Kindly provide your feedback on this article--