SonicWALL SMA 8200v (virtual appliance, maximum 5,000 users).
SonicWALL SMA 6200 (maximum 2,000 users).
SonicWALL SMA 500v (virtual appliance, maximum 250 users).
Both product series include multiple models, with both hardware and virtual appliances: The NSA series is a firewall, not an SSL VPN, but SSL VPN capabilities are available as add-on features. The SonicWALL SSL VPN includes two different product lines: the Secure Mobile Access (SMA) series and the Network Security Appliance (NSA) series. SonicWALL SSL VPN is available in two different products These networks can be vulnerable to eavesdropping and other forms of compromise, so using an SSL VPN protects against security threats. Secure remote access is important for a business because it protects private communications and information when using an unsecured, external network.