Sophos Firewall is configured to use your ISP for DNS. What needs to be configured on the Sophos Firewall so that it can also resolve internal hostnames? Firewall rule for DNS DNS forwarder Port forwarding for DNS DNS request route Dynamic DNS

To allow the Sophos Firewall to resolve internal hostnames while also using your ISP for external DNS resolution, you should configure a **DNS request route**. A DNS request route allows the firewall to query an internal DNS server for specific domains or to handle internal hostname resolution, ensuring that internal names are resolved correctly within your network. This setup is ideal for environments where there are specific internal domain names that need to be recognized without conflicting with external DNS queries. So the correct configuration in this scenario would be: - **DNS request route**