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You can configure the NIOS appliance to always apply RPZ policies, DNS blacklists, or NXDOMAIN rules to DNS queries, regardless of whether the queries request DNSSEC data. You can also configure the appliance to generate synthesized AAAA records for DNS queries that request DNSSEC data.

Warning

When you enable this feature, NIOS applies the selected policies and rules even when it responds to DNS clients that support DNSSEC. 
Note that responses to these clients may result in resolution failure. Infoblox recommends that you use caution when enabling this feature and DNSSEC validation at the same time.


To enable this feature, complete the following:

  1. Grid: From the Data Management tab, select the DNS tab. Expand the Toolbar and click Grid DNS Properties.
    Member: From the Data Management tab, select the DNS tab -> Members tab -> member check box and click the Edit icon.
    DNS View: From the Data Management tab, select the DNS tab -> Zones tab -> default dns_view and click the Edit icon.
  2. In the editor, click Toggle Expert Mode, if the editor is in Basic mode, and then select the DNSSEC tab.
  3. In the Apply the selected policies/rules to queries requesting DNSSEC records section, complete the following:
    • Response Policy Zones (RPZ) policies: Select this to apply RPZ policies to DNS queries that request DNSSEC data. You must install the RPZ license to view this check box. For more information, see About Infoblox DNS Firewall.
    • Blacklist rules: Select this to apply blacklist rules to DNS queries that request DNSSEC data. For more information, see About Blacklists.
    • NXDOMAIN rules: Select this to apply NXDOMAIN rules to DNS queries that request DNSSEC data. This check box is visible only if you install the Query Redirection license. For more information, see About NXDOMAIN Redirection.
    • DNS64 Groups: Select this to generate synthesized AAAA records for DNS queries that request DNSSEC data. For more information, see Enabling DNS64 Service.
      The member and the DNS views inherit settings from the Grid, by default. To override the settings, click Override. You can override settings at the member and DNS view levels. To retain the same settings as the Grid, click Inherit at the member and DNS view level.

     4. Save the configuration.

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