About the Okta RADIUS server agent

The Okta RADIUS Server agent:

• Delegates authentication to Okta using single-factor authentication (SFA) or multi-factor authentication (MFA).
• Installs as a Windows or Linux service
• Supports the Password Authentication Protocol (PAP),
  Extensible Authentication Protocol Tunneled Transport Layer Security (EAP/TTLS), and
  Extensible Authentication Protocol/Generic Token Card (EAP/GTC)
• Authenticated Protocol
• Communicates via UDP, over default port 1812, and supports multiple ports simultaneously.

You should use the Okta RADIUS Server agent for authentication, when authentication is being performed by:

• VPN devices that don't support SAML
• Virtual Desktops and Reverse Proxies that don't support SAML