1. what for is this directory in FreeBSD 8.3
/usr/local/etc/namedb/working in FreeBSD 10
2. Can you provide the brief and complete mechanism of chroot-ing for FreeBSD 10?
3. I have /etc/namedb -> /usr/local/etc/namedb is this somehow related with chrooting?
4. Could the named servers run on different version of BIND? can it somehow affect to transfers from master to slave?
if have this version on master
bind-base-9.9.5P1_3 BIND DNS suite with updated DNSSEC and DNS64
and this on slave
bind910-9.10.1 BIND DNS suite with updated DNSSEC and DNS64