Service name (such as login or sshd).
List of terminals where applied.
List of users (groups not supported).
List of the time to allow or deny access.
An example of typical time entry:
Where 'Wk' stands for week days, '0800' the starting time and '1800' the ending time (both in 24h format).
Mo - Monday
Tu - Tuesday
We - Wednesday
Th - Thursday
Fr - Friday
Sa - Saturday
Su - Sunday
Wk - week days
Wd - weekends
Al - all days