JSP Spring prevents repeated login by users.
Implementation of JSP Spring to prevent repeated login by users
Spring security prevents repeated User Logon
How does spring security prevent repeated login attempts? If the user account has been logged on, then perform the second or multiple logins, You need to prevent such multiple logins.
1. Configure listener in web. xml
<Listener> <listener-class> org. springframework. security. web. session. HttpSessionEventPublisher </listener-class> </listener>
2. Configure security. xml
<Session-management> <concurrency-control max-sessions = "1" error-if-maximum-exceeded = "true"/> </session-management>
Max-sessions indicates the maximum number of repeated logins allowed. If error-if-maximum-exceeded is not configured, the second login of the user account will invalidate the First Login. if this is configured, the second login will be blocked. The usual practice is to prevent the second login.
The above Implementation Method of JSP development to prevent repeated login by users. If you have any questions, you can go to the community on this site to discuss or leave a message, and make common progress! Thank you for reading this article. I hope it will help you. Thank you for your support for this site!