OpenVPN Access Server by OpenVPN is a self-hosted VPN solution that allows full control over your VPN. Built on the open-source OpenVPN core, it simplifies rapid VPN deployment. It features an easy-to-use Admin Web UI for managing and configuring settings, including certificates, users, groups, and access control. OpenVPN Access Server is free to install and use for a maximum of two simultaneous VPN connections. When ready to connect more users, you can purchase a subscription or a licensed tiered instance on Amazon. OpenVPN Access Server must be installed on a Linux operating system. The Linux server can be a virtual machine, allowing installation on various host platforms, including Windows Server via Hyper-V. Users can connect using the OpenVPN Connect app, available for Windows, macOS, Android, iOS, and most Linux systems. Teams can connect with pre-configured clients from the Client Web UI. OpenVPN Access Server runs as a server accepting incoming VPN connections; OpenVPN Connect or a compatible OpenVPN open-source client can connect to it. It supports VPN clients from Windows, macOS, iOS, Android, and Linux. Installation packages are available for Linux, virtual machines, or cloud platforms. It includes a web-based management system and supports external authentication with PAM, LDAP, RADIUS, or SAML. Advanced authentication is supported through custom programming with Python. OpenVPN Access Server features built-in, automated VPN certificate management and provisioning. External PKI allows full control over an integrated PKI. VPN tunnels are secured with the OpenVPN protocol using TLS authentication, credentials, certificates, and optional MAC address lock. Multi-factor authentication supports TOTP MFA, Duo Security, and LastPass through post_auth plugins. Access control rules can specify user or group access to IP addresses and subnets, allowing or disallowing direct VPN client connections. Full-tunnel and split-tunnel redirection: All VPN client internet traffic goes through the VPN tunnel or only specified traffic, respectively.
