How do I stop people from creating multiple accounts?

How do I stop people from creating multiple accounts?

10 Answers

  1. Set a tracking cookie (i.e. random hash) and log its value on login, look for multiple logins from the same cookie value.
  2. Logins from same IP address/user-agent combination.
  3. Logins from same IP address only (less reliable than the previous two bullets)

How does sign up with Facebook work?

First, you click on the “Sign up with Facebook’ button. It redirects you to Facebook.com and checks whether you are already logged in to Facebook. If you’re not, then it prompts you to enter your username and password to access your account.

Is it safe to login with Facebook or Google?

So long as you’re using a strong password and have set up two-factor authentication for your Facebook or Google account, then go for it. It will be safer than most alternatives.

Is it safe to stay logged in to Gmail?

Gmail, despite our warnings about Google accounts, is actually perfectly safe and secure — provided you don’t “log in with Google” when prompted. It should be used only as a username to sign in with.

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Is it safe to use Google without an account?

What happens when you access Google Search without an account? When you access the Google app in Incognito mode, Google won’t track your searches and won’t link them to your search history. Additionally, Your profile picture will be replaced with a blue icon.

Can someone tell if I looked at their Facebook page?

No, Facebook doesn’t let people track who views their profile. Third-party apps also can’t provide this functionality. If you come across an app that claims to offer this ability, please report the app.

How do I stop Gmail from automatically signing me in?

Google Accounts

  1. Navigate to the Google accounts home page and deselect the “Sign in” option.
  2. Click “Tools” and choose “Options” from the drop-down menu.
  3. Choose “Privacy” from the sidebar menu and click the “Cookies” tab.
  4. Click “OK.”

How do I lock my Gmail app?

Select Choose Google Account. Select the Google account you wish to use for password resetting, then select OK. Select Continue. Select the yellow lock icon in the upper-right corner, then select the lock next to the apps you wish to passcode protect.

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