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Firewalls have become the traditional first defense for firms who want to prevent and detect intrusions. Because of the standardization and proliferation of firewall technology, practically everyone knows what a firewall is in most companies have one deployed. now that the technology has become commonplace hackers and other cyber criminals have diverse the father efforts, making a DNS firewall the latest must-have tool for the business world.

Why a classic firewall isn't enough

A typical firewall or intrusion detection and prevention system, addresses many of the issues that first brought cyber security to the forefront of technology and news headlines. the technology lacks the capability and configuration needed to protect DNS traffic, leaving major opportunities for hackers and other intruders to wreak havoc on your network and steal your information.

Many networks allow unchallenged DNS requests that hackers can intercept and re-route to malicious destinations. Such exploits can capture data and inject connected devices with malware. Fortunately, your company does not need to depend on open DNS resolvers.


How a secure DNS resolver can help

Cybercriminals tend to gravitate toward the weakest components of your network. Historically, the DNS system has performed well but has only recently received its substantial security upgrades. Still, if you don't implement DNS protection for your firm, you can become vulnerable to a variety of malicious attacks.

A DNS firewall is a secure DNS resolver that prevents devices and employees from connecting to malicious Internet resources by way of a compromised DNS configuration. When properly implemented a secure DNS resolver can instantly alert your IT department about potential threats such as botnets and advanced persistent threats (APTs).

Understanding DNS firewalls

Spearfishing and similar exploits have already compromised numerous enterprises and government agencies, highlighting the urgency with which you must regard DNS security. a DNS firewall gives you a way to secure your DNS traffic so it cannot be redirected to spuriously destination's.

In many cases, you can implement DNS firewall technology without acquiring expensive hardware or software upgrades. Many cases, your IT specialists or those from your vendor can secure your DNS in a matter of hours through scripts and configuration updates.


As long as your network lacks DNS firewall protections, ordinary requests for Internet data from within your organization can be redirected to malicious sites they can capture your data, inject malware and cause operational delays.

Acting now can dramatically increase the security of your firm by complementing and extending the functionality of your existing DNS. The fact that deployment is relatively quick and convenient makes the decision easy to implement DNS protection right away. Visit the www.bluecatnetworks.com website to learn more, because they may be able to provide you with the information that you need.