DENY_ADDITION(REGEXP, ...)

This directive denies the addition of new files matching the Regexps passed as arguments.

        DENY_ADDITION(qr/\.(doc|xls|ppt)$/); # ODF only, please

DENY_DELETION(REGEXP, ...)

This directive denies the deletion of files matching the Regexps passed as arguments.

        DENY_DELETION(qr/contract/); # Can't delete contracts

DENY_UPDATE(REGEXP, ...)

This directive denies the modification of files matching the Regexps passed as arguments.

        DENY_UPDATE(qr/^tags/); # Can't modify tags

DENY_EXCEPT_USERS(LIST)

This directive receives a list of user names which are to be exempt from the rules specified by the other directives.

        DENY_EXCEPT_USERS(qw/john mary/);

This rule exempts users "john" and "mary" from the other deny rules.