How to verify when the user changes the computer login?

Source: Internet
Author: User
Consult with you about the idea, how does this feature be implemented?

Admin 1 Login Backstage, verification code verification, login after successful will save a cookie and so on the next login without verification, if the Administrator 1 to replace the computer also need to verify, there is such a problem, in the same browser, the Administrator 1 multiple landing is no need to verify, But for a browser to be verified, so it is more troublesome, can be the same computer, the administrator login, in any browser open no need to verify, only when the computer is changed to verify


Reply to discussion (solution)

That's not possible.
Is there another administrator who uses a computer to switch to various browsers?

Different browsers have their own cookies, which should not be possible.

The cookie generated by different browsers is independent, how can it be shared, even if the cookie folder is shared, the resulting cookie is different

Yes, thank you for your kind answer.

such as QQ, using infrequently used devices to log on will prompt for verification, this implementation of the principle is what?

The cookie generated by different browsers is independent, how can it be shared, even if the cookie folder is shared, the resulting cookie is different

Wait a minute, after you share the cookie folder with your browser,

such as QQ, using infrequently used devices to log on will prompt for verification, this implementation of the principle is what?

may be compared to the last logged in IP and the currently logged on IP is in the same city/province


The cookie generated by different browsers is independent, how can it be shared, even if the cookie folder is shared, the resulting cookie is different

Wait a minute, after you share the cookie folder with your browser,

such as QQ, using infrequently used devices to log on will prompt for verification, this implementation of the principle is what?

may be compared to the last logged in IP and the currently logged on IP is in the same city/province

Yes, thank you for the answer.
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