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What is OpenVPN used for?

OpenVPN is used to create secure, encrypted VPN connections between devices and networks. It supports remote access, site-to-site VPNs, and secure communication over public networks using SSL/TLS encryption.

Is OpenVPN a web browser VPN?

No. OpenVPN is not a browser-based VPN or web proxy. It operates at the operating system level by creating encrypted network tunnels that applications can use.

What authentication methods does OpenVPN support?

OpenVPN supports several authentication methods, including digital certificates, smart cards, pre-shared keys, and two-factor authentication, depending on how the VPN server is configured.

Can OpenVPN work behind NAT and firewalls?

Yes. OpenVPN is designed to operate through NAT environments and can tunnel traffic through connection-oriented stateful firewalls without requiring explicit firewall rules in many deployment scenarios.

Does OpenVPN support both UDP and TCP?

Yes. OpenVPN can tunnel network traffic over either UDP or TCP, allowing administrators to choose the protocol that best fits their network environment and performance requirements.

Which Windows versions are supported?

According to the provided information, OpenVPN supports Windows 11, Windows 10, Windows 8, and Windows 7.