use gmail or live service to login in the website but limit only one user (admin) to login
<p>I’ve a Gmail account, assume that me@gmail.com. Now I want to login (as admin) in my website through this account. I know I can use OpenID etc. for that purpose but I want to limit it for just me only. Can I do this? I don’t let anyone else to know which service I used to login and what is my address and etc. (Note: My website contains just one and only one login form, for just me, only!)</p>
