EDIT/ Doh even that is useless as you can't really protect symlinks as AFAIK permission will be set by parent directory...
Also, if the /dev/cdrom symlink did manage to disappear it would just be recreated on the next boot by systemd/udev!
]]>Thanks.
]]>$ ls -l /dev/sr0
brw-rw----+ 1 root optical 11, 0 Feb 7 11:40 /dev/sr0
$ ls -l /dev/cdrom
lrwxrwxrwx 1 root root 3 Feb 7 11:40 /dev/cdrom -> sr0
just different permissions.
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