50 VPN Tunnels for Encrypted Remote Access. NETGEAR's ProSafe VPN Firewall with 8 Port 10/100 switch and Dial Back-up is an SNMP-Manageable, high-performance network solution that furnishes multidimensional security. Fully equipped and broadbandcapable, this Virtual Private Network (VPN) firewall comes with connection insurance: a built-in serial port for dial-up access. This practical feature means your business can maintain operation if your broadband Internet connection fails. It lets you retain an analog modem for emergency backup and also provides a migration path from analog to broadband, making the transition effortless.