bind: add DNS-over-TLS forwarding and fix missing NS record in zones#5391
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mbedworth wants to merge 1 commit intoopnsense:masterfrom
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bind: add DNS-over-TLS forwarding and fix missing NS record in zones#5391mbedworth wants to merge 1 commit intoopnsense:masterfrom
mbedworth wants to merge 1 commit intoopnsense:masterfrom
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Add a 'DNS over TLS' checkbox to the BIND general settings that enables forwarding queries to upstream resolvers via DoT (port 853) using BIND 9.18+ tls ephemeral mode. When disabled, plain UDP forwarding is used as before. Changes: - General.xml: add forwardertls BooleanField - general.xml form: add DNS over TLS checkbox after DNS Forwarders - named.conf template: use 'forwarders port 853 tls ephemeral' when forwardertls is enabled
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Summary
Problem
DoT forwarding: BIND 9.18+ supports forwarding queries via DNS-over-TLS (
forwarders port 853 tls ephemeral), but the os-bind plugin has no way to enable this. Users who want encrypted upstream forwarding must manually edit named.conf after every restart.Missing NS record: The
domain.dbzone template generates a SOA record but no NS record. BIND requires at least one NS record per zone — without it, the zone fails to load withhas no NS recordsand all queries return SERVFAIL.Changes
General.xmlforwardertlsBooleanFieldforms/general.xmlnamed.conftemplateforwarders port 853 tls ephemeralwhen enableddomain.dbtemplateNS {{ domaindb.dnsserver }}.after SOATest plan
named.confcontainsforwarders port 853 tls ephemeraldig @localhost google.comresolves (DoT working)forwardersline is generatednamed-checkzone)Tested on OPNsense 26.1.6 with BIND 9.20.20.