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The DNS Firewall feature filters all malicious traffic and blocks DNS-activity to safeguard your private data and raise your online security to an even more advanced level.

What is DNS Firewall

DNS Firewall is a network security solution that intercepts DNS resolution for known-malicious websites and protects your devices from malware infection. In simple terms, this feature prevents KeepSolid VPN Unlimited® users from connecting to known malicious Internet locations and ensures their private data remains protected. To top it off, DNS Firewall also allows our clients to block sites that contain annoying pop-up windows and undesirable content (like gaming, gambling, adult sites).

How DNS Firewall works

First things first, we should note that DNS-based malware is one of the most dangerous cyber threats that are used to steal your online identity. According to a global 2019 DNS Security survey, 91% of malware use DNS services to build their cyber attacks and 82% of survey respondents had been targeted by a DNS attack during the last year. DNS Firewall, in turn, has been created to safeguard our users from such attacks. 

When the technology intercepts malicious DNS response, it directs a website with this response to a walled garden and makes such a malicious network unreachable for your device. The work of DNS Firewall can also be compared with a custom house. The customs officer is responsible for preventing the importation of illegal and/or dangerous goods into the country, and DNS Firewall is responsible for preventing the importation of malware to your device.

How to benefit from DNS Firewall feature

You can easily manage DNS Firewall via the KeepSolid User Office. 

All you have to do is as follows:


Download KeepSolid VPN Unlimited® and create your KeepSolid ID, if you still haven’t. 


Log in with your KeepSolid ID.


Find KeepSolid DNS Firewall in your subscriptions.


Click Activate*.


Select the categories of websites you want to block (phishing, adult, social, gambling, etc.).


Create a custom blacklist if necessary.


Run KeepSolid VPN Unlimited®, turn VPN connection on, and enjoy the new level of security!

*Note: The DNS Firewall feature is not available in a 7-day VPN Unlimited® subscription and in any VPN Unlimited® subscription that you get from our partners. In any of these cases, the Activate button will be blurred.

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