OpenVPN 2.2.1 Free download

OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. It implements OSI layer 2 or 3 secure network extension using the SSL/TLS protocol, supports flexible client authentication methods based on certificates, smart cards, and/or 2-factor authentication. Its key features include: Use all of encryption, authentication, and certification features of OpenSSL library to protect private network traffic; Use any cipher, key size, or HMAC digest; Choose between static-key based conventional encryption or certificate-based public key encryption; Use real-time adaptive link compression and traffic-shaping to manage link bandwidth utilization.