SonicOS/X 7 Network DNS

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Technical Documentation > SonicOS/X 7 Network DNS > Configuring DNS Security > Configuring DNS Security Settings

Configuring DNS Security Settings

To configure DNS Security settings

  1. Navigate to Network | DNS > DNS Security.
  2. Select Enable DNS Sinkhole Service. This option is not selected by default.
  3. From the Action drop-down menu, select what the service should do:
    • Dropping with Logs
    • Dropping with Negative DNS reply to Source
    • Dropping with DNS reply of Forged IP: Enter the IPv4 and IPv6 addresses in the fields that become visible.
  4. Click Accept.
  5. Click the Custom Malicious Domain Name tab.
  6. For each domain name you want to add as a malicious domain name:
    1. Click +Add. The Add One Domain Name dialog displays.
    2. Enter the malicious domain name in the Domain Name field.
    3. Click Save.
  7. Click the White List tab.
  8. For each domain name you want to add to the white list:
    1. Click +Add. The Domain Name dialog displays.
    2. In the Domain Name field, enter the whitelist domain name.
    3. Click Save.
  9. Click Update to save your changes.

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