SonicWall DNS Filtering Service for TZ670 2-Year | Security, Subscription

Stop risky connections at the DNS layer and give TZ670 deployments a cleaner first line of defense. This 2-year SonicWall DNS filtering service helps block access to malicious, inappropriate, or noncompliant domains before traffic can resolve into a session, reducing the burden on downstream security controls. For organizations that need tighter policy enforcement without adding appliance complexity, DNS filtering is a practical control point. It supports acceptable-use policies, helps limit user exposure to phishing infrastructure, and adds visibility into web access patterns that matter to security and compliance teams. Because this service is tied to the TZ670 platform, it fits environments that already rely on SonicWall for perimeter protection and want to extend policy enforcement without changing operational workflows. The value is not just blocking sites — it is reducing noise, narrowing attack paths, and keeping security policy consistent over a defined service term.