Security can be a strong differentiator. Regardless of the size of your organization, the TZ400 delivers big-business protection. For distributed enterprises with remote offices, all TZ Series firewalls can be managed locally through the intuitive GUI in Sonic OS or at the central office using Sonic Wall GMS. High-performance security engine Intrusion prevention Advanced IPSec & SSL VPN Gateway anti-virus & anti-spyware Streamlined GUI & advanced management Content/URL filtering Wireless network security