FortiGate is a powerful network security appliance that provides advanced protection for your network infrastructure. If you want to fortify your DNS server, FortiGate has you covered. In this tutorial, we will walk you through the steps to FortiGate a DNS server and enhance its security.
Step 1: Accessing the FortiGate Web Interface
First, open your preferred web browser and enter the IP address of your FortiGate appliance in the address bar. Press Enter to access the login page.
Enter your administrator credentials and click on the Login button to proceed.
Step 2: Creating a New Firewall Policy
Once you are logged in, navigate to the Firewall menu and select Policies. Click on Create New to create a new firewall policy for your DNS server.
In the General tab, provide a meaningful name for your policy in the Name field. For example, “DNS Server Policy”.
- Action: Select Allow from the drop-down menu. This will allow traffic to pass through this policy.
- Source Interface/Zone: Choose the appropriate interface or zone from where the DNS traffic originates.
- Destination Interface/Zone: Select the interface or zone where your DNS server is located.
- Service: Specify DNS as the service for this policy.
TIP: Specify Source and Destination Addresses
If you want to limit access to specific source or destination addresses, you can further refine these fields by specifying IP addresses or ranges using CIDR notation.
Step 3: Configuring Security Profiles
In the Security Profiles tab, you can enable various security profiles to enhance the protection of your DNS server.
Antivirus: Enable this profile to scan incoming and outgoing DNS traffic for any malicious files or attachments.
Web Filter: Enable this profile to block access to malicious websites or content that may pose a threat to your DNS server.
Intrusion Prevention System (IPS): Enable this profile to detect and prevent any network-based attacks Targeting your DNS server.
Step 4: Applying the Firewall Policy
Once you have configured the firewall policy and security profiles, click on OK to save the changes.
To apply the policy, navigate to Policy & Objects > IPv4 Policy and find the newly created policy. Click on the checkbox next to it and then click on Apply.
TIP: Verify Successful Implementation
You can verify whether your DNS server is successfully FortiGated by checking its connectivity and performance. Ensure that all desired traffic is allowed, while blocking any unwanted or malicious traffic.
Congratulations! You have successfully FortiGated your DNS server using FortiGate.
Your DNS infrastructure now benefits from advanced security features provided by FortiGate. Remember to regularly update your security profiles and policies to stay guarded against emerging threats.