BIND : DNS Issue

Issue 1 :
isc_stdio_open '/var/log/named/named_security.log' failed: permission denied

Solutions  :

chown -R bind:root /var/log/named
chmod -R 775 /var/log/named

--------------------------------------------------------------------------------------------------------------
Issue 2 :
"open: permission denied" upon zone transfer

Solutions :
Edit #/etc/apparmor.d/usr.sbin.named
Add / Edit this line : /etc/bind/slave/* rw,

---------------------------------------------------------------------------------------------------------------