restrict perms on /etc/crontab

[Derrick Ryalls]

> Can one restrict permissions on /etc/crontab without creating 
> troubles 
> if there are nothing special in there except what was 
> installed with the 
> system?
> 

Why do you need to?  It should only be writeable by root anyway.  Normal
users can just type crontab -e to make entries into their own personal
crontabs, if needed.

To answer your question, you could probably get away with a chmod of 600
as I think the cron daemon run as root.