New secure VPN tunneling protocol in the works at Microsoft
Microsoft is working on a remote access tunneling protocol for Vista and Longhorn Server that lets client devices securely access networks via a VPN from anywhere on the Internet without concern for typical port blocking issues.
The Secure Socket Tunneling Protocol (SSTP) creates a VPN tunnel that travels over Secure-HTTP, eliminating issues associated VPN connections based on the Point-to-Point Tunneling Protocol (PPTP) or Layer 2 Tunneling Protocol (L2TP) that can be blocked by some Web proxies, firewalls and Network Address Translation (NAT) routers that sit between clients and servers.
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