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Anti-
Malware
2
Web
Firewall

Step 2 of 2

Install Control D Web Firewall

Control D filters out malicious websites, ads, and trackers at the DNS level. Setup takes under 2 minutes and works automatically once configured.

Mac

ctrld-mac.pkg · ~8 MB

Installation instructions

1

Open the downloaded file

Locate ctrld-mac.pkg in your Downloads folder and double-click to run the installer.

2

Follow the installer steps

Click through the installer. Enter your Mac password when prompted to allow the system extension to install.

3

Allow the VPN configuration

macOS will ask to add a VPN configuration — click Allow. Control D uses this to filter DNS traffic without routing your browsing through a third-party server.

Web Firewall is active

Control D is now running. Malicious sites, trackers, and restricted content will be blocked automatically.

1

Open the downloaded file

Locate ctrld-windows-setup.exe in your Downloads folder and double-click to run it.

2

Allow the installer to run

Click Yes when Windows asks for admin permission. The installer runs quietly and takes about 30 seconds.

Web Firewall is active

Control D is now running. Malicious sites, trackers, and restricted content will be blocked automatically.

1

Install via terminal

Open a terminal and run the one-line installer:
curl -sSL https://download.controld.com/install.sh | sudo sh

2

Start the service

Run:
sudo systemctl enable --now ctrld

Web Firewall is active

Run ctrld status to confirm the service is running.

1

Open the Google Play Store

On your Android device, open the Play Store and search for Control D.

2

Install the app

Tap Install on the Control D listing. The app is free — your company has a business licence.

3

Allow the VPN configuration

Tap Allow when Android asks to set up a VPN connection. This is how Control D intercepts and filters DNS requests.

Web Firewall is active

A key icon in your status bar confirms Control D is running and filtering traffic.

1

Open the App Store

On your iPhone or iPad, open the App Store and search for Control D.

2

Install the app

Tap Get on the Control D listing and authenticate with Face ID or your passcode.

3

Allow the VPN configuration

Tap Allow when iOS asks to add a VPN configuration. This is how Control D filters DNS traffic on your device.

Web Firewall is active

A key icon in your status bar confirms Control D is running and filtering traffic.

Video walkthrough

Control D installation walkthrough for Mac · ~2 min

Video placeholder

Need help? Contact @marcus_holt on StrongKeep.

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