Adding authentication in front of an application starts with a precise question: do you need a password gate, or do you need to identify individual users? SafeLine's official documentation describes an Authentication Challenge that requires visitors to enter a password and blocks visitors who do not. The supplied sources do not document individual user accounts, identity provider connections, or single sign-on for application visitors. This guide therefore covers the documented password challenge and the setup checks needed before using it. Source: SafeLine introduction

1. Define the access requirement

Write down who should access the application and what evidence of identity you require. A password challenge can address a requirement to ask visitors for a password before proceeding.…