Unfortunately, with the level of Internet threats today, the standard online firewall is not the impregnable security wall it was once. In fact, it is turning out to be the opposite, typically leaving a huge access route into your enterprise unprotected completely. And that uncovered pathway, populated by information coming from unregulated domain name system (DNS) has turned into a preferred conduit for cyber criminals seeking to gain entry into your network. The bottom line is, you need another more secure firewall: DNS Firewall.

Why Install DNS Firewall?

The question that begs to be answered is how safe is your current DNS server? A DNS Firewall works by preventing your systems from initiating interaction with all manner of harmful external resources. The exponential growth in the types and numbers of new devices that are connecting to the wider network is exposing holes in the standard enterprise security. This is because the traditional security solutions is more focused on particular protocols and devices, and is unable to offer a broad-based solution covering all apps and devices.

Despite the extensive usage of varied network security steps, the number of reported successful breaches has in recent years been growing alarmingly. A DNS firewall is now the most ideal place to start strengthening your organization’s infrastructure.

Gives Granular Control

A major benefit of using DNS Firewalls is that they afford you granular control over the behaviour of all outbound traffic. It also offers the flexibility to decide on the kind of action to be taken whenever an endpoint is attempting to connect. Options include blocking with an error response, blocking without response, dropping without response, or allowing passing through. Effectively, this shrouds your network with adequate security.

Detects Malware Early

The foundation of the majority of enterprise computer security begins by creating protection around the organization perimeter, typically in the form of intrusion detection/protection systems (IDS/IPS) and creating a firewall.

Using DNS Firewall, it is possible to continuously monitor in real time malware threats. It helps in rapidly pinpointing any devices or applications that are compromised, getting them isolated and preventing DNS communications with any malicious botnets and servers.


Hackers and criminals have become adept at taking advantage of major holes existing in the Internet’s infrastructure security—that’s why there are now endless series of scams using that gap. The time has come for organizations to give more protection to the DNS layer and stay safe from all forms of malware, even as they continue evolving.

Remember, no type of firewall—whether free hosted or a multiple-layered thousand-dollar worth —can make your computers 100% impervious to external attacks. It’s impossible to prevent completely every intrusion. However, a DNS firewall effectively blocks out the majority of the bad guys from gaining access and compromising your individual computer. If you are interested, you may do additional research at the BlueCat website for more information.

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