When you setup a Slave Dns server and trying to transfer zone from master server, you might see problem as bellow : Sep 3 09:52:37 publicdns1.domani.local named[13635]: dumping master file: tmp-PKhZ6y6rRp: open: permission denied Sep 3 09:52:37 publicdns1.domain.local named[13635]: transfer of ‘domain.com/IN’ from 11.22.33.44#53: failed while receiving responses: permission denied Sep 3 09:52:37 publicdns1.domain.local named[13635]: [...]