Re: BIND doesn't listen to other loopback addresses
Mark Andrews <[email protected]>
| Newsgroups | gmane.network.dns.bind9.user |
|---|---|
| Message-ID | <D8B24922-9B1D-49CB-B847-2CA3C50CFAD7__18413.9843027637$1751766786$gmane$org@isc.org> |
Listen-on is an acl. The interface table is scanned for matches which are then bound to. This is documented behaviour. -- Mark Andrews > On 6 Jul 2025, at 10:35, Bagas Sanjaya <[email protected]> wrote: > > Hi, > > I notice BIND's address binding behavior (bug?). I'm running BIND from > git (9.21.10-dev (Development Release) <id:3719cf5>). > > My named.conf specifies listen-address to both loopback and WiFi devices: > > ``` > options { > ... > listen-on-v6 { none; }; > listen-on { 127.0.0.53; 192.168.0.155; }; > ... > }; > ``` > > Starting the instance, I see that BIND only listens to WiFi address in the > journal: > > ``` > ... > Jul 06 06:36:52 archie.me named[554]: listening on IPv4 interface wlp2s0, 192.168.0.155#53 > ... > > ``` > > I have to add dummy interface: > > ``` > $ nmcli connection add type dummy ifname bind53 ipv4.method manual ipv4.addresses 127.0.0.53/32 ipv4.method disabled > ``` > > Restarting BIND, the journal shows that BIND listens to both addresses: > > ``` > ... > Jul 06 07:00:42 archie.me named[4906]: listening on IPv4 interface wlp2s0, 192.168.0.155#53 > Jul 06 07:00:42 archie.me named[4906]: listening on IPv4 interface bind53, 127.0.0.53#53 > ... > ``` > > It seems like BIND only listen to addresses that are assigned to existing > network devices, no? > > Thanks. > > -- > An old man doll... just what I always wanted! - Clara > -- > 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 > [email protected] > https://lists.isc.org/mailman/listinfo/bind-users > <signature.asc> -- 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 [email protected] https://lists.isc.org/mailman/listinfo/bind-users