Available since v. 1.68.*
This functionality gives you ability to invalidate/kill users sessions which will force them to log in again for any specific reason like:
preparation for updating the application,
due to password policy changes,
performance issues,
security breaches,
etc.
GUI
Go to Jira Administration → System → User sessions and click Invalidate session
REST API
Users sessions
Method type: DELETE
URL: {JIRA_URL}/rest/extender/1.0/userSessions/clear
Request format: JSON
All sessions (with the exception of you)
{ "type": "all" }
Specific user
{ "type": "user", "userName": "admin" }
Specific IP Address
{ "type": "ip", "ipAddress": "193.168.1.1" }