Step 1) Prepare 2 SSTP VPN IP
准备 2个 SSTP VPN IP 地址 in same segment. (用IP比较简单)
e.g. SSTP server local IP 10.0.200.1, remote IP 10.0.200.2
Step 2) CREATE A PPP SECRET (USER/CLIENT)
Step 3) CONFIGURE AND ENABLE THE SSTP SERVER
Step 4) CREATE SSTP FIREWALL FILTER AND NAT RULES