user-accounts

Is it possible to make a website with only one account per person? Any suggestion is good. Thanks If you don't want people to go generating 100 accounts a minute, you'll need something like captcha, which is very easy to add on to your website. You can do other things, like associate each account with an email address, and make the user verify that that email actually exists by sending a link out to that email address so that when they click on it, it verifies the connection. To associate exactly one account per person, you are going to need to use some sort of official identity, and usually

Let me rephrase my last question, what PHP library or framework can I use for professional and secure authentication? Extra points if your idea helps implement account Control Panel features (change password, edit profile). How do you pros do it? Have you ever done trustworthy authentication using PHP? I personally really like the symfony framework and its sfGuard plugin. It provides very easy to configure authentication. It hashes and salts all the passwords and provides a backend interface to manage users, groups and permissions. Symfonys routing and configuration makes it very simple to set

I have a winForm application and I want to know of a guest user is running it. how can I know it by c# code? Thanks. Here's an optimized version of what Barry said. if (System.Security.Principal.WindowsIdentity.GetCurrent().IsGuest) { //User is Guest } if (System.Security.Principal.WindowsIdentity.GetCurrent().IsGuest == true) { //User is Guest } That would depend entirely on how your users are setup. You could use group membership to determine if a user is a Guest or they might be using the Guest account (although some organisations might disable that one). Are you using Domain Auth? If you