location for master file dump

[André Rodier]

Hello,

I am trying to configure bind9 on Debian Stretch, and I have these
errors:

> May 26 17:41:04 homebox named[29895]: dumping master file: /etc/bind/tmp-bIeOrs2Xus: open: permission denied
> May 26 17:54:38 homebox named[29895]: dumping master file: /etc/bind/tmp-9iLruAW1CT: open: permission denied
> May 26 18:07:13 homebox named[29895]: dumping master file: /etc/bind/tmp-3r2ksPB5UI: open: permission denied

I have put this line in my named.conf.options:

dump-file "/var/cache/bind/homebox.space-dump.db"

But it does not seem to be applied. Should I do something else?

I don't want to authorise bind/named to write in the /etc/bind folder.

-- 
André Rodier
HomeBox: https://github.com/progmaticltd/homebox