При правах drwx------ root named на /var/lib/bind/zone/slave в логах: zone x.x.x/IN: Transfer started. service named[24072]: transfer of 'x.x.x/IN' from 87.98.164.164#53: connected using 172.16.1.100#56448 service named[24072]: dumping master file: slave/tmp-d9u9KHOV0t: open: permission denied service named[24072]: transfer of 'x.x.x/IN' from 87.98.164.164#53: failed while receiving responses: permission denied Нужно g+wrx
control bind-slave enabled
*** Bug 12617 has been marked as a duplicate of this bug. ***