When you first start iCal, your calendars have no security enabled. This means that anyone can
view your calendar, add or change events on you calendar, or even change settings on your
calendar.
You enable security for your calendar by going to the Security page from your
calendar's Admin page.
To start, with you will probably want to make sure that no one else can change
your security or other settings, so fill out the Settings section
by toggling the UserID/Password required to change settings radio button
and then filling out the UserID and Password for this. Remember
the UserID and Password that you enter. You will need this to change
any settings in the future!!
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