Access Server features overview

Quick overview

  • Access Server installs on a Linux OS with installation options to meet the needs of your network.
  • VPN clients connect from Microsoft Windows, macOS, iOS, Android, and Linux systems.
  • You can download installation packages for Linux, virtual machines, or cloud platforms.
  • User authentication includes a built-in system with web-based management or external authentication with PAM, LDAP, RADIUS, and SAML.
  • Advanced authentication is supported through custom programming with Python.
  • Access Server includes built-in, fully automated VPN certificate management and provisioning. External PKI is also possible for full control over an existing integrated PKI.
  • VPN tunnels are secured with the OpenVPN protocol using TLS authentication, credentials, certificates, and MAC address lock (optional).
  • Multi-factor authentication is supported in various forms: MFA with TOTP is built-in; Duo Security can be added with a post-auth plugin; and LastPass can be added with a post-auth plugin.
  • Access Control rules can specify user or group access to IP address and subnets, and allow or disallow 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.
  • Professional support provided by the OpenVPN Inc team, with our online support ticket system staffed by our global team of professionals.

Quick tour

Take a quick tour through the Admin and Client Web UIs with us:


1. Status Overview

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2. Current Users

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3. Routing

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4. NAT

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5. Activation

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6. User Permissions

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7. User Permissions

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8. User Permissions

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9. User Permissions

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10. Group Permissions

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11. Group Permissions

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12. Group Permissions

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13. Client Web UI

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14. Client Web UI

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14b. Click

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15. That's it. You're done.

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** Best experienced in Full Screen (click the icon in the top right corner before you begin) **

Get started

Sign up for a free OpenVPN account and get started with Access Server. You can activate a subscription with two concurrent VPN connections at no cost.

Read through the Admin Web UI user manual to test your configuration. Then, purchase a subscription and increase your connections.