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DNS Firewall

Protect Users and Block DNS Malware Activity

DNS Firewall mitigates malware used to steal critical data, interrupt business continuity and damage brand reputation.

DNS Firewall Solution Benefits

91% of malware use DNS services to build attacks which easily circumvent traditional network security systems. DNS Firewall brings dynamic cybersecurity threat intelligence and DNS filtering to identify suspicious activity and prevent malware spread across your network.

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Mitigate DNS Attacks At The Source

Thwart initial infection and phishing - ransomware, virus, spyware etc.

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Automatically Adapt Malware Protection

Threat Intelligence services to keep pace with malicious domains/IPs.

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Proactively Prevent New Attacks

Detect and block malware communication with C&C servers and botnets.

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Provide Advanced Threat Reporting

Combine logging with existing event managers, generate reports using plugins such as Splunk or Graylog.

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Locate Infected Devices On Your Network

NetChange network discovery tool helps fast localization for immediate remediation.

Protect users against malicious DNS activity with DNS Firewall Video

In this video, we'll show how to protect users by blocking DNS malware activity embedded in emails, by using DNS Firewall. Every IT Manager needs to understand how to identify suspicious activity and prevent malware spread across the network.


From our series on malicious hacking, you'll learn how our DNS Firewall solution mitigates malware used to steal critical data, interrupt business continuity, and damage brand reputation.

DNS Firewall comes embedded in EfficientIP SOLIDserver™ software appliances. The product provides a purpose-built and complementary solution to traditional enterprise network security systems, to effectively protect against DNS based malware and Advanced Persistent Threats (APT). Its enhanced DNS query filtering capabilities, combined with threat intelligence feeds, allow for the quick identification of suspicious device activity. This prevents installation of malicious code and spread within networks, as well as phishing campaigns and data exfiltration attempts, as a few examples.

Image of Dns Firewall Icon Protecting Against Threats

Mastering DNS Firewall: Effortless Traffic Blocking Demystified Video

Unlock the power of DNS Firewall with our hands-on video! Join us as we guide you through the process of blocking access to a domain by configuring a Response Policy Zone (RPZ) using the SOLIDserver DNS Firewall solution.


In this comprehensive tutorial, we break down the steps to effortlessly implement RPZ, offering practical insights and expert tips along the way. Gain a deep understanding of how SOLIDserver DNS Firewall becomes your ally in proactive traffic blocking, enhancing your network's security posture.

The SOLIDserver appliance brings advanced filtering policy management capability, ensuring an up to date list of malicious or forbidden IP addresses, domains, URLs, or name servers. The entire DNS Firewall architecture is automatically updated regardless of the server type (Linux or EfficientIP’s secure DNS appliance) protecting - in a single operation - your organization from malware attacks.

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Request A Demo of DNS Firewall

See DNS Firewall in action with a demo of the 360º DNS Security suite.

Key Resources

Discover more content related DNS Firewall

Hacking Demo #1 Mail Infection
Enhancing Threat Intelligence Services for Holistic Network Security
White Papers
Enhancing Threat Intelligence Services for Holistic Network Security
DNS Firewall: Protecting and Defending Against Malware

Assess Your DNS Risk

In order to help you better understand the usage context and behavior of your DNS clients, EfficientIP offers a free assessment involving expert analysis of real DNS traffic.

Cta Learn More Button for Free Assessment of Existing Dns