12.6. DNSFilter

DNSFilter – Smart, Fast, and Cloud-Delivered Protection

DNSFilter is a cloud-based DNS security solution that protects users from accessing malicious or harmful websites—before connections are even established. As the first line of defense in your network, DNSFilter acts as a smart, always-on traffic cop, stopping threats like phishing, botnets, and malware at the DNS layer.

XSTRA uses DNSFilter to provide secure, policy-driven browsing for all customer environments. It is a core part of our security posture – providing visibility, control, and protection from the moment a device connects to the internet.

✅ Why DNSFilter?

Unlike traditional firewall or endpoint tools that react after a threat has entered the system, DNSFilter proactively blocks access before the threat can reach the endpoint. It works across all devices and locations—ideal for today’s hybrid and remote work environments.

Benefits include:

• Real-Time Threat Detection using machine learning-based scanning
• Phishing Protection that’s updated continuously
• Zero Trust DNS enforcement for unknown or suspicious domains
• Content Filtering with granular policy control (e.g., block adult content, streaming sites, gambling, etc.)

Key Use Cases

• Block Known Threats: Prevent access to domains hosting malware, ransomware, command & control servers, and phishing pages.
• Compliance: Meet industry standards by enforcing acceptable use policies.
  

⚙️ How It Works with XSTRA

DNSFilter integrates into all XSTRA-managed data center environments. It complements our firewall, endpoint, and Citrix-hosted application strategies.

XSTRA configures DNSFilter policies tailored to the majority of client’s requirements, applying filters for categories such as:

• Malware / Botnets
• Phishing & Fraud
• Crypto Mining
• Adult / Gambling / Streaming
• Productivity Loss Sites

We can also enforce safe search, lock DNS settings, and push DNSFilter agents to laptops and mobile devices and create custom protection plans for Clients to meet their unique security needs.

Part of a Broader Strategy

DNSFilter is not a silver bullet—but it’s a powerful first layer. At XSTRA, we combine DNSFilter with:

• XACCESS for identity and MFA enforcement
• XPC for secure endpoint lockdown
• Windows Defender and endpoint hardening
• Network-Level Firewalling
• Citrix App Protection

Together, this layered approach ensures users, wherever they are, connect safely and securely to our private cloud hosted services.