Sstpmoderatestrong
SSTP
Secure Socket Tunneling Protocol developed by Microsoft. Uses SSL/TLS over port 443, making it very difficult to block as traffic appears as standard HTTPS.
AES-256 / SSL 3.0TCPPort 443
Technical Details
Creator
Microsoft
Release Year
2008
Speed
moderate
Security
strong
Strengths
- Hard to block
- Uses port 443
- Good Windows support
Weaknesses
- Proprietary protocol tied to Microsoft
- Limited third-party client support
- Only supports TCP transport
- No native support on Android or iOS
Platform Support
WindowsLinuxRouter
Providers Supporting SSTP(0)
No VPN providers currently support SSTP.