Put the zone file in /var/lib/bind and update named.conf. -- Mark Andrews
> On 23 Sep 2020, at 00:43, Olivier <oza.4...@gmail.com> wrote: > > Hello, > > I've got one ISC-DHCP server instance (4.4.1) and one Bind9 (9.11.5) instance > installed on a Debian Buster box. > Both come from Debian stable repo. > > I would like my DHCP server to update Bind9 database when leases are > allocated to DHCP clients. > > I followed instructions from [1]. > I then met the following error: > Sep 21 16:17:54 foo kernel: [ 8867.630002] audit: type=1400 > audit(1600697874.163:25): apparmor="DENIED" operation="mknod" > profile="/usr/sbin/named" name="/etc/bind/db.bar.com.jnl" pid=1482 > comm="isc-worker0000" requested_mask="c" denied_mask="c" fsuid=107 ouid=107 > Sep 21 16:17:54 foo named[1482]: /etc/bind/db.bar.com.jnl: create: permission > denied > > I edited /etc/apparmor.d/usr.sbin.named and it now includes the following > content: > ... > # /etc/bind should be read-only for bind > # /var/lib/bind is for dynamically updated zone (and journal) files. > # /var/cache/bind is for slave/stub data, since we're not the origin of it. > # See /usr/share/doc/bind9/README.Debian.gz > # Next line added to work around apparmor issue > /etc/bind/*.jnl rw, > # End of addition > /etc/bind/** r, > /var/lib/bind/** rw, > /var/lib/bind/ rw, > /var/cache/bind/** lrw, > /var/cache/bind/ rw, > ... > > Now, /var/log/syslog includes: > Sep 22 08:43:25 foo named[449]: client @0x7efd7850f500 127.0.0.1#59205/key > ddns_update: signer "ddns_update" approved > Sep 22 08:43:25 foo named[449]: client @0x7efd7850f500 127.0.0.1#59205/key > ddns_update: updating zone 'bar.com/IN': adding an RR at 'acerok.bar.com' A > 192.168.42.104 > Sep 22 08:43:25 foo named[449]: client @0x7efd7850f500 127.0.0.1#59205/key > ddns_update: updating zone 'bar.com/IN': adding an RR at 'acerok.bar.com' TXT > "0097d51fa2194acbea0809316da0885aa0" > Sep 22 08:43:25 foo named[449]: /etc/bind/db.bar.com.jnl: create: permission > denied > > ls -l /etc > drwxr-sr-x 2 root bind 4096 sept. 21 16:01 bind > > ls -l /var/cache > drwxrwxr-x 2 root bind 4096 sept. 22 16:25 bind > > ls -l /var/cache/bind > lrwxrwxrwx 1 root root 23 sept. 21 14:29 db.192.168.42 -> > /etc/bind/db.192.168.42 > lrwxrwxrwx 1 root root 29 sept. 21 14:28 db.bar.com -> /etc/bind/db.bar.com > -rw-r--r-- 1 root root 0 sept. 21 16:36 db.bar.com.jnl > ... > > How can I solve this ? > > [1] https://wiki.debian.org/DDNS > > Best regards > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list > > ISC funds the development of this software with paid support subscriptions. > Contact us at https://www.isc.org/contact/ for more information. > > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users
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