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There is a discussion of how important of preventing concurrent logins to disallow users from staying logged into the same account from multiple devices. So this application allows admin to limit login to one device at a time for a user. Per configuration, one user won't be allowed to login if same user login from another device. Or they will receive the notification if there is another login from a different device.

Main Feature

• Admin can control to allow or not allow multiple loginlogins.
• Admin can control which User Group using this feature.
• If admin disable disables multiple loginlogins:
  
  • When user login on one device/browser, all session of this user on others devices/browsers will be destroyed.
  • If device isn't verified (hasn't logged in before), an email will be send sent to user (notice about unknown login)
  • Open popup on unclosed windows to notice about unknown login.
• If admin enable enables multiple loginlogins:
  
  • User The user can login log in and keep the session on multiple devices/browsers.
  • If the device isn't verified, send an email to the user to notice about unknown login.
  • If the device isn't verified, open popup on unclosed windows to notice about unknown login.
• After sending email + showing popup, login device will be automatic automatically marked as verified.
• Users have a page to view login history.

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Id	Screenshot	Description
1		Settings
2		User Group Settings
3		Link to access Login History Page
4		Login History Page
6		Notice Popup on an unclosed windows when multiple login logins is enabled
7		Notice Popup when user access a page on the in-session device and multiple login logins is enabled.
8		Notice Popup when multiple login is logins are disabled.
9		Notice Email.