Once you have identified a DNS leak, how do you fix it? It is of course device (OS) dependent, but below you can find how to fix DNS leak for Windows Operating System (10, 8, 7 etc..).

Fixing DNS leak on Windows 10/8/7

To fix the DNS leak you will have to manually configure your network adapters in an attempt to plug the leak. On your Windows machine do the following:

1. Click desktop tile from the ‘Start’ screen to go to the desktop.
2. Once on the desktop screen, hover the mouse to the bottom right corner of the window.
3. From the displayed options on the right, click ‘Settings’.
4. Click ‘Control Panel’ from the Settings pane.
5. On Control Panel window, click ‘Network and Internet’.
6. From the right pane of Network and Internet window, click ‘Network and Sharing Center’ category.
7. From the left pane of Network and Sharing Center window, click ‘Change Adapter Settings’.
8. Select your active network connection that’s not listed as being for the TAP adapter (should be named as ‘Local Area Connection’ followed by some numbers and showing as ‘Connected’).
9. From the context menu that appears, click ‘Properties’.
10. On network adapter’s properties box, double-click on ‘Internet Protocol Version 4 (TCP/IPv4)’.
11. In Preferred DNS server field, type 8.8.8.8 and 8.8.4.4 as the ‘DNS address’.
12. Once done, click ‘OK’ to save the modified settings.

Save any changes made, restart the PC and run the DNS leak test again. With a bit of luck, your DNS leak test should now have no trace of your ISP in which case, your connection is fully anonymous and secure.

Fixing DNS leak on Ubuntu 10.4+

• Add the following three lines of config into your .oProxy file, to the end of file as new lines.

script-security 2

up /etc/openProxy/update-resolv-conf

down /etc/openProxy/update-resolv-conf

This script will update your /etc/resolv.conf file automatically. It will force OpenProxy to use default DNS from your .oProxy file.

• Run your .oProxy file.

sudo openProxy –config name_of_your_file.oProxy