user's default login time

[studyfordo]

Hi, all
  when I add user to file /etc/freeradius/files in the vpn authentication server.
so I want to the folloing things about user.
1. how long will user automatic login off( which file can I check the time)
2.how cant I teminat session by manual
3.when login with wrong password, the user can be locked out and can email to inform user
4.users default actived time
the above funtion need user mysq module?
thanks
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