Among the implemented security modules in knumen , are well known ones , like mac , acl and audit modules , as well as specially designed ones , like important process protection and trusted program authorization modules 在knumen的安全模塊中,既有實現普通安全功能的模塊,如mac模塊、 acl模塊、審計模塊等,也有負責完成特殊安全功能的模塊,如重要進程保護模塊和可信進程授權模塊。