> On Dec 11, 2025, at 1:48 PM, Philip Prindeville > <[email protected]> wrote: > > > >> On Nov 20, 2025, at 4:04 PM, Doug Freed <[email protected]> wrote: >> >> On 11/20/25 11:07, Philip Prindeville via bind-users wrote: >>> Hi, >>> I’m on a US residential ISP, and they don’t support IPv6. As a result, >>> I’ve disabled it locally as well with `options { listen-on-ipv6 { none; }; >>> };`. Well, there are more options than that, but that’s the relevant one. >>> If I run with `-4` then the noise goes away. >>> I was wondering if: >>> (1) that `listen-on-ipv6 { none;}` should imply `-4` (the simplest) or >>> (2) that there’s an easy way to parse and dump the options so my startup >>> script can see if this option is set or not, and if it, add `-4` to the >>> arguments it uses to start up named. >>> I ask the second question because of the format of the config file, >>> newlines and spaces are arbitrary so there’s no single canonical format I >>> can search for. >>> Thanks, >>> -Philip >> >> Starting with 9.20.5, you can use `query-source-v6 { none; };` to disable >> IPv6 for upstream queries. Thus `-4` effectively becomes: >> >> listen-on-v6 { none; }; >> query-source-v6 { none; }; >> >> The difference is that the config settings can be changed at runtime with a >> reload, whereas changing the state of `-4` requires restarting named. >> >> -Doug > > > Not working for me: > > > Dec 11 13:47:03 OpenWrt2 named[32377]: the initial working directory is '/' > Dec 11 13:47:03 OpenWrt2 named[32377]: loading configuration from > '/etc/bind/named.conf' > Dec 11 13:47:03 OpenWrt2 named[32377]: the working directory is now > '/tmp/cache/bind' > Dec 11 13:47:03 OpenWrt2 named[32377]: /etc/bind/named.conf:25: expected one > address and/or port > Dec 11 13:47:03 OpenWrt2 named[32377]: loading configuration: unexpected token > Dec 11 13:47:03 OpenWrt2 named[32377]: exiting (due to fatal error) > root@OpenWrt2:/etc/init.d# root@OpenWrt2:/etc/init.d# sed -n -e 25p > /etc/bind/named.conf > query-source-v6 { none; }; // no IPv6 logging noise > root@OpenWrt2:/etc/init.d#
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