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...You can also choose to connect to any specific server that is available on your plan. You can now securely and privately browse the internet. The datat traveling between your device and the VPN server is encrypted. Secure Core protects your connection by routing your traffic through multiple servers before it leaves our network, defending you against advanced, network-based attacks.
Value Added OpenVPN over SNI via SNI injection SSL/TLS Tunnel
How It Works
[Android Device]
│
│ OpenVPN TCP/UDP
▼
[SNI Tunnel Client] ← Wraps traffic in SSL + injects fake SNI
│
│ Looks like: HTTPS → microsoft.com ✓
▼
[ISP Firewall] ← Passes through — sees only valid HTTPS
│
▼
[VPS Server] ← Decrypts TLS, recovers OpenVPN traffic
│
▼
[OpenVPN Server] ← Receives native OpenVPN traffic
│
▼
Internet
The core trick is SNI injection: the tunnel client inserts a trusted domain name (e.g. microsoft.com) into the TLS handshake. The ISP sees what appears to be a standard HTTPS connection and allows it through. The VPS server on the other end strips the SSL wrapper and forwards the real OpenVPN packets to the OpenVPN server.
Value Added Warp over SNI via SNI injection SSL/TLS Tunnel
How It Works
[Android Device]
│
│ WireGuard UDP
▼
[SNI Tunnel Client] ← Wraps UDP in TLS/ssl + injects fake SNI
│
│ Looks like: HTTPS → microsoft.com ✓
▼
[ISP Firewall] ← Passes through — sees only valid HTTPS
│
▼
[VPS Server] ← Decrypts TLS, recovers WireGuard UDP
│
▼
[Cloudflare Warp] ← Receives native WireGuard traffic
│
▼
Internet
The core trick is SNI injection: the tunnel client inserts a trusted domain name (e.g. microsoft.com) into the TLS handshake. The ISP sees what appears to be a standard HTTPS connection and allows it through. The VPS server on the other end strips the TLS wrapper and forwards the real WireGuard packets to Cloudflare.
A client implementation of Secure Socket Tunneling Protocol (SSTP) for Linux / Mac OS-X that allows remote access via SSTP VPN to Microsoft Windows 2008 Server.
This project has been moved to https://gitlab.com/eivnaes/sstp-client