The Hillstone CloudEdge Virtual-Firewall (BYOL) version can switch among VM01/02/04 based on licenses. It supports 2-4-core EC2 instance providing high performance. The Hillstone Virtual Firewall allows you to provision firewall security whenever and wherever it is needed. It features most of the networking services common to Hillstone's hardware based appliances and is an ideal solution for protecting network resources within AWS. It offers enhanced access control, Virtual Private Network (VPN), L2-L7 attack protection, and server load balancing for AWS users. With the addition of the virtual firewall, Hillstone offers greater choice and exibility by providing the ability to deploy a mix of hardware and virtual appliances operating together. In 5.5R6, VM01 supports up to 100k concurrent sessions, max 100 IPSec VPN tunnels and max 100 SSL VPN users; VM02 supports up to 500k concurrent sessions, max 500 IPSec VPN tunnels and max 500 SSL VPN users; VM04 supports up to 5M concurrent sessions, max 10000 IPSec VPN tunnels and max 2000 SSL VPN users. For detail, please refer the datasheet in Additional Resources.