SonicWall DNS Filtering Service for TZ470 5-Year | Security Subscription

Stop threats earlier in the connection path with DNS filtering for SonicWall TZ470 environments. By inspecting and controlling domain requests before traffic reaches the destination, this service helps reduce exposure to phishing, malware delivery, and unwanted web access without adding complexity to the firewall stack. A 5-year term is well suited for organizations that want stable, predictable protection across the lifecycle of a TZ470 deployment. It supports security teams that need policy enforcement at the edge, cleaner visibility into domain activity, and a practical way to extend protection beyond traditional URL controls. For distributed offices, branch networks, and security-conscious environments, DNS filtering adds a high-value layer of control where users first reach the internet. It helps preserve bandwidth, reduce incident response noise, and keep access aligned with corporate policy. For teams comparing subscription options, the value is in durable coverage, tighter control, and a service model designed to keep the TZ470 aligned with evolving web threats over time.