Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//etc/security/sepermit.conf

 # /etc/security/sepermit.conf
#
# Each line contains either:
#        - an user name
#        - a group name, with @group syntax
#        - a SELinux user name, with %seuser syntax
# Each line can contain optional arguments separated by :
# The possible arguments are:
#        - exclusive - only single login session will
#          be allowed for the user and the user's processes
#          will be killed on logout