Openvpn
OpenVPN
Open-source VPN protocol widely considered the industry standard for security. Uses SSL/TLS for key exchange and can run on any port, making it difficult to block.
AES-256-GCM / TLS 1.3BOTHOpen Source
Strengths
- Industry-standard security
- Highly configurable
- Difficult to block
- Available on all platforms
Providers Supporting OpenVPN(4)
ExpressVPN
Premium VPN with TrustedServer RAM-only infrastructure, custom Lightway protocol, and 105 country locations.
3,000 serversno logs
NordVPN
Large server network with NordLynx protocol, Double VPN, and six independently audited no-logs verifications.
9,000 serversno logs
Proton VPN
Swiss-based VPN with a generous free tier, Secure Core architecture, and open-source apps.
20,000 serversno logs
Surfshark
Feature-packed VPN with unlimited simultaneous connections, RAM-only servers, and CleanWeb ad blocking.
4,500 serversno logs