<?xml version="1.0"?> <!-- DNS forwarder configuration --> <interfaceDefinition> <node name="service"> <children> <node name="dns"> <properties> <help>Domain Name System related services</help> </properties> <children> <node name="forwarding" owner="${vyos_conf_scripts_dir}/dns_forwarding.py"> <properties> <help>DNS forwarding</help> <priority>918</priority> </properties> <children> <leafNode name="cache-size"> <properties> <help>DNS forwarding cache size</help> <valueHelp> <format>0-10000</format> <description>DNS forwarding cache size</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 0-10000"/> </constraint> </properties> </leafNode> <leafNode name="dhcp"> <properties> <help>Use DNS servers received from DHCP server for specified interface</help> <completionHelp> <script>${vyos_completion_dir}/list_interfaces.py</script> </completionHelp> <multi/> </properties> </leafNode> <leafNode name="dnssec"> <properties> <help>DNSSEC mode</help> <completionHelp> <list>off process-no-validate process log-fail validate</list> </completionHelp> <valueHelp> <format>off</format> <description>No DNSSEC processing whatsoever!</description> </valueHelp> <valueHelp> <format>process-no-validate</format> <description>Respond with DNSSEC records to clients that ask for it. No validation done at all!</description> </valueHelp> <valueHelp> <format>process</format> <description>Respond with DNSSEC records to clients that ask for it. Validation for clients that request it.</description> </valueHelp> <valueHelp> <format>log-fail</format> <description>Similar behaviour to process, but validate RRSIGs on responses and log bogus responses.</description> </valueHelp> <valueHelp> <format>validate</format> <description>Full blown DNSSEC validation. Send SERVFAIL to clients on bogus responses.</description> </valueHelp> <constraint> <regex>(off|process-no-validate|process|log-fail|validate)</regex> </constraint> </properties> </leafNode> <tagNode name="domain"> <properties> <help>Domain to forward to a custom DNS server</help> </properties> <children> <leafNode name="server"> <properties> <help>Domain Name Server (DNS) to forward queries to</help> <valueHelp> <format>ipv4</format> <description>Domain Name Server (DNS) IPv4 address</description> </valueHelp> <valueHelp> <format>ipv6</format> <description>Domain Name Server (DNS) IPv6 address</description> </valueHelp> <multi/> <constraint> <validator name="ipv4-address"/> <validator name="ipv6-address"/> </constraint> </properties> </leafNode> </children> </tagNode> <leafNode name="ignore-hosts-file"> <properties> <help>Do not use local /etc/hosts file in name resolution</help> <valueless/> </properties> </leafNode> <leafNode name="allow-from"> <properties> <help>Networks allowed to query this server</help> <valueHelp> <format>ipv4net</format> <description>IP address and prefix length</description> </valueHelp> <valueHelp> <format>ipv6net</format> <description>IPv6 address and prefix length</description> </valueHelp> <multi/> <constraint> <validator name="ip-prefix"/> </constraint> </properties> </leafNode> <leafNode name="listen-address"> <properties> <help>Addresses to listen for DNS queries [REQUIRED]</help> <valueHelp> <format>ipv4</format> <description>Domain Name Server (DNS) IPv4 address</description> </valueHelp> <valueHelp> <format>ipv6</format> <description>Domain Name Server (DNS) IPv6 address</description> </valueHelp> <multi/> <constraint> <validator name="ipv4-address"/> <validator name="ipv6-address"/> </constraint> </properties> </leafNode> <leafNode name="negative-ttl"> <properties> <help>Maximum amount of time negative entries are cached</help> <valueHelp> <format>0-7200</format> <description>Seconds to cache NXDOMAIN entries</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 0-7200"/> </constraint> </properties> </leafNode> <leafNode name="name-server"> <properties> <help>Domain Name Servers (DNS) addresses [OPTIONAL]</help> <valueHelp> <format>ipv4</format> <description>Domain Name Server (DNS) IPv4 address</description> </valueHelp> <valueHelp> <format>ipv6</format> <description>Domain Name Server (DNS) IPv6 address</description> </valueHelp> <multi/> <constraint> <validator name="ipv4-address"/> <validator name="ipv6-address"/> </constraint> </properties> </leafNode> <leafNode name="system"> <properties> <help>Use system name servers</help> <valueless/> </properties> </leafNode> </children> </node> </children> </node> </children> </node> </interfaceDefinition>