SSTP is one of the methods to implement VPN, which is the ability to transfer the protocols PPP and L2TP, with the use of SSL encryption version 3.0 capable so the highest security in the ways VPN has additionally, with the use of SSL on Port 443 of the TCP can be from almost any Pro-xy and easily pass. This method limits ... connect models SSTP in Windows older than Windows Vista SP1 implementation of not, and, in addition, it for using SSL quickly communicate and exchange information in this manner, especially with a limited band width, traffic, user, a significant drop can't find.