---
title: "Configuring Passport on the Authentication Server"
slug: "s3suite94-configuring-passport-on-the-authentication-server"
updated: 2026-10-27T18:42:16Z
published: 2026-10-27T18:42:16Z
canonical: "docs.onespan.com/s3suite94-configuring-passport-on-the-authentication-server"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.onespan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Configuring Passport on the Authentication Server

Configure Passport App on the Authentication Server so you can use it to perform OOB registration and authentication.

1. Add Passport App to the Auth Server Refer to [Configure Apps](/dpoa/docs/s3suite94-configure-apps).
2. Configure your app for OOB and push notification OOB requires configuring the Authentication Server and, if you use push notifications, using Google Firebase Cloud Messaging and/or Huawei Mobile Services. See [*Configuring Out-of-band Authentication*](/dpoa/docs/s3suite94-configure-an-out-of-band-authentication-method).
3. Configure to support App Link integration Support for App Links in your customized Passport App requires changes to the website and web application components of your server-side infrastructure. See [*Using App Links and Universal Links on Mobile Browsers*](/dpoa/docs/s3suite94-web-developer-guide-for-web) *in the Web Developer Guide*.