uOS - Remote Access VPN with OIDC
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Zyxel_Claudia
Posts: 254
Zyxel Employee
Zyxel Employee
Remote Access VPN with OIDC
The H Series supports OpenID Connect for remote access VPNs, specifically for SSL VPN deployments.
Compatibility Scope
- Supported: SSL VPN using the OpenVPN Connect application.
- Unsupported: IKEv2/IPsec and the Zyxel SecuExtender client are not supported as they lack a built-in browser to handle the OIDC login pop-up.
Setup Essentials
- Pre-configure: Complete full OIDC setup
- SSL VPN – Authentication Settings

- Authentication Proxy: Must be enabled (default port 1003) and allowed in the WAN-to-Zywall security policy.
- Redirect URI: Must be set to the WAN IP or public FQDN of the firewall so remote clients can finalize authentication.

- Troubleshooting: If a timeout occurs, verify that port 10443 and port 1003 are allowed.

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