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How to bypass transparent DNS proxy

Some ISPs use Transparent DNS Proxy technology to intercept DNS lookup requests (TCP/UDP port 53) and transparently proxy to their DNS servers. This forces your computer or router to use their DNS service for all DNS lookups instead of the ones you’ve set up. In this case Smart DNS technology wouldn’t normally work but we have a solution for this.

If you have a DD-WRT or Linux based router we can help you bypass your ISP’s Transparent DNS proxy using custom firewall rules and our DNS servers which runs on different TCP/UDP port.

Here is how you can do this:

  1. Go to “My Account” (1) on CactusVPN website and sign in.

  2. Go to “Services” and click on “Manage” for your service.

  3. Click on the “Smart DNS” tab.

    You have to do this only if you are using the “VPN + Smart DNS” plan or the free VPN trial. You don’t have to do this if you are using the “Smart DNS” plan or the free Smart DNS trial.

  4. Scroll down and find the “Bypass transparent DNS proxy script” link (1) below the “Useful links” title.

    Click on it and copy all the text from the opened page.

    Bypass transparent DNS proxy: Step 1

  5. Log in to your router and go to “Setup” -> “Basic Setup” (2).

    Bypass transparent DNS proxy: Step 2

  6. Go to “Network Address Server Settings (DHCP)” and Enable DHCP (3).
    Change Static DNS 1 to: 8.8.8.8 (4)
    Change Static DNS 2 to: 8.8.4.4 (5)
    Disable “Use DNSMasq for DNS” (6).
    Click on “Apply Settings” button.

    Bypass transparent DNS proxy: Step 3

  7. Go to “Administration” (7) -> “Commands” (8) from your router’s menu and paste (9) the code that you copied previously from “Bypass transparent DNS proxy script” page.
    Hit the “Save Startup” button (10).
    Now paste again the code and click on “Save Firewall” (11).

    Bypass transparent DNS proxy: Step 4

  8. That is all! You can now connect your devices and use our Smart DNS service.

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