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Slightly Skeptical view on ACLs - http://www.softpanorama.org/Articles/slightly_skeptical_view_on_unix_acl.shtml/home/www.dailyplanet.com/
/home/www.lexcorp.com/
May be a solution to the ACLs applying x to everything or not to everything - http://superuser.com/questions/180545/setting-differing-acls-on-directories-and-files