DNS Rebinding and Cache Lookup

This section provides settings related to the prevention of DNS rebinding attacks using FQDN address objects.

To enable DNS binding for FQDN

1. Navigate to NETWORK | DNS > Settings.
2. Scroll to the DNS Rebinding and Cache Lookup section.
3. Under the DNS Binding for FQDN heading, select FQDN Object Only Cache DNS Reply from Sanctioned Server. This option is not selected by default.
4. Click Accept.