The following example shows a cron.deny file that prevents user names visitor, jones, and temp from accessing the crontab command.
$ cat /etc/cron.d/cron.denydaemon bin smtp nuucp listen nobody noaccess jones temp visitor |
The following example shows a cron.allow file. The users smith, jones, lp, and root are the only ones who can access the crontab command.
$ cat /etc/cron.d/cron.allow root jones lp smith |