safest way to let users with no login to delete mysql entry

so heres the problem,i have an if() statement that determines whether a user has visited my site before, if they have then they have an option for removing their record from the database. Problem is,...

How to secure login and member area with SSL certificate?

Background: I have a asp.net webapplication project that should contain a public and a member area. Now I want to implement a SSL decription to secure communication between the client and the server....