SONICWALL NETWORK SECURITY MANAGER (NSM) Deploy and manage all your firewalls, connected switches and access points, all in one easy-to-use interface. Centralized Management. Elevated Security. As the number of firewalls in your distributed enterprise grows, so too does the challenge of managing them. SonicWall Network Security Manager scales with your business and your security needs. From a single console, orchestrate all firewall operations, see hidden risks, discover misconfigured policies, and make compliance easier with a full audit trail. With a SonicWall NSM, centralize firewall management and gain more capability, not more complexity.