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How to install a proxy certificate

Desktop AdGuard apps (AdGuard for Windows and AdGuard for Mac) can be used as a proxy. This means that you can route other devices' traffic through AdGuard (entirely, or traffic of specific apps/browsers).

note

These devices must be in the same network as the PC or Mac on which AdGuard is installed.

HTTP traffic will be filtered in any case, but for AdGuard to be able to filter HTTPS traffic you need to manually install AdGuard certificate on the connected device.

How to download and install the certificate

Depending on the operation system of your device (Windows/Mac/Android/iOS), follow one of these instructions:

Windows

  1. Note the IP address of your desktop computer with installed AdGuard.

  2. Make sure the AdGuard protection is enabled. Then check the box Use AdGuard as an HTTP proxy in the Network tab of its settings.

  3. On the same device with AdGuard follow this link using any browser: http://local.adguard.org/cert.

  4. Click the Download button.

  5. Transfer the downloaded cert.cer file to the device which traffic you want to route through AdGuard.

  6. On that device, press the Win button, type Manage computer certificates and press Enter.

  7. On the Certificates - Local Computer page, find the Trusted Root CertificationCertificates folder.

  8. Right-click the Certificates folder and click All TasksImport.

  9. On the Certificate Import Wizard page, click Next.

  10. Click Browse to import the certificate.

  11. Navigate to the cert.cer certificate file, select it, then click Open.

  12. Click Next.

  13. Select the Place all certificates in the following store checkbox.

  14. Ensure that the Certificate store field displays Trusted Root Certification Authorities and click Next.

  15. Click Finish.

  16. Press the Win key, then open Settings.

  17. Select Network & InternetProxy.

  18. Toggle Automatically detect settings off.

  19. Click Set up in the Use a proxy server tab.

  20. Turn the toggle on. For Proxy IP address, enter the noted IP address of your desktop computer (step 1). For Port, enter the port chosen in the network settings of the desktop AdGuard app.

  21. Click Save.

AdGuard for Mac の場合

  1. Note the IP address of your desktop computer with installed AdGuard.

  2. Make sure the AdGuard protection is enabled. Then go to SettingsNetworkHTTP proxy and check the box Use AdGuard as an HTTP proxy.

  3. From the computer with AdGuard, follow this link using a web browser: http://local.adguard.org/cert.

  4. Click the Download button.

  5. Transfer the downloaded cert.cer file to the device which traffic you want to route through AdGuard.

  6. Double-click the downloaded certificate file.

  7. Enter the administrator password and then click Modify Keychain.

  8. Go to Spotlight (the search icon in the top right corner), type in "Keychain Access", and then select Keychain Access from the search results.

  9. Under System, highlight the certificate that you added.

  10. Right-click it and choose Get Info from the context menu.

  11. Expand Trust to display the trust policies for the certificate.

  12. Under Secure Sockets Layers (SSL), select Always Trust.

  13. Open System PreferencesNetwork and choose the upper active connection.

  14. Click Details... and navigate to the Proxies tab.

  15. Tick two checkboxes: Web proxy (HTTP) and Secure web proxy (HTTPS). In the Server field, enter the noted IP address of your computer (step 1). In the Port field, enter the port chosen in the network settings of the AdGuard desktop app.

Android

  1. Note the IP address of your desktop computer with installed AdGuard.

  2. Make sure the AdGuard protection is enabled. Then check the box Use AdGuard as an HTTP proxy in the Network tab of its settings.

  3. From the computer with AdGuard, follow this link using a web browser: http://local.adguard.org/cert.

  4. Click the Download button.

  5. Transfer the downloaded cert.cer file to the device which traffic you want to route through AdGuard.

  6. Locate and tap the previously downloaded cert.cer certificate to open the file.

  7. On some phones, you might be asked to enter your device password. Do that, then press OK. The certificate is now installed.

  8. Open advanced settings of the active Wi-Fi network.

  9. Switch the Proxy type to Manual. For Proxy hostname, enter the noted IP address of your desktop computer (step 1). For Proxy port, enter the port chosen in the network settings of the AdGuard desktop app.

iOS

  1. Note the IP address of your desktop computer with installed AdGuard.

  2. Make sure the AdGuard protection is enabled. Then check the box Use AdGuard as an HTTP proxy in the Network tab of its settings.

  3. From the computer with AdGuard, follow this link using a web browser: http://local.adguard.org/cert.

  4. Click the Download button.

  5. Transfer the downloaded cert.cer file to the device which traffic you want to route through AdGuard.

  6. Open SettingsSecurityEncryption & CredentialsInstall a certificate. Android devices do not trust certificates by default so there will be a warning when you choose CA certificate. Tap Install anyway.

  7. Open SettingsProfile Donwloaded and tap Install in the top right corner. Enter your password and confirm the installation. Tap Done.

  8. Go to SettingsGeneralAboutCertificate Trust Settings. Enable the switch beside Adguard Personal CA. The certificate is now installed.

  9. On that device, open advanced settings of the active Wi-Fi network.

  10. Switch the Proxy type to Manual. For Proxy hostname, enter the noted IP address of your computer (step 1). For Proxy port, enter the port chosen in the network settings of the AdGuard desktop app.