WireGuard
The fastest modern VPN protocol. Minimal codebase (4,000 lines vs OpenVPN's 600,000). Excellent on mobile. Kernel-level implementation for peak throughput. Install in minutes with apt install wireguard on Ubuntu/Debian.
FastestModernMobile-friendly
OpenVPN
Battle-tested, universally compatible VPN. Works on every OS and most routers. TCP mode lets it run on port 443 to bypass restrictive firewalls. Best choice for maximum client compatibility. Deploy with openvpn-install.sh.
Most compatibleTCP/UDPPort 443
Pritunl
Enterprise-grade VPN with a polished web UI. Supports OpenVPN, WireGuard, and IPsec from one dashboard. Multi-user, multi-server, SSO integration. Ideal for teams who want a VPN with an admin panel without CLI expertise.
Web UIMulti-userEnterprise
SSTP
Secure Socket Tunneling Protocol runs over HTTPS port 443. Impossible to distinguish from regular HTTPS traffic — bypasses firewalls and deep packet inspection that block other VPN protocols. Built-in Windows client support.
Port 443DPI bypassWindows built-in
L2TP / IPsec
Built-in on Windows, macOS, iOS, and Android — zero client software required. Connect from any device without installing an app. Slightly older but universally supported and easy for non-technical users to configure.
No app neededAll OS built-inEasy setup
SoftEther
Multi-protocol VPN server supporting OpenVPN, L2TP, SSTP, EtherIP, and SoftEther's own protocol from one installation. Excellent throughput, high concurrency, and built-in NAT traversal. Ideal for large teams or complex network setups.
Multi-protocolHigh concurrencyNAT traversal