![asp.net core - Identity Server 4 not setting `Access-Control-Allow-Origin` for `.well-known/openid-configuration` - Stack Overflow asp.net core - Identity Server 4 not setting `Access-Control-Allow-Origin` for `.well-known/openid-configuration` - Stack Overflow](https://i.stack.imgur.com/MTk6i.png)
asp.net core - Identity Server 4 not setting `Access-Control-Allow-Origin` for `.well-known/openid-configuration` - Stack Overflow
![Building an identity server that supports OAuth 2.0 and OpenID Connect with ASP.NET Core and IdentityServer4 - Part 1 | Hones Dev Building an identity server that supports OAuth 2.0 and OpenID Connect with ASP.NET Core and IdentityServer4 - Part 1 | Hones Dev](https://honesdev.com/images/identityserver/openId.png)
Building an identity server that supports OAuth 2.0 and OpenID Connect with ASP.NET Core and IdentityServer4 - Part 1 | Hones Dev
![docker compose - Identity Server4: Unable to obtain configuration from 'http://localhost:44338/.well-known/openid-configuration - Stack Overflow docker compose - Identity Server4: Unable to obtain configuration from 'http://localhost:44338/.well-known/openid-configuration - Stack Overflow](https://i.stack.imgur.com/SrViE.png)
docker compose - Identity Server4: Unable to obtain configuration from 'http://localhost:44338/.well-known/openid-configuration - Stack Overflow
![c# - Failed to load http://localhost:5000/.well-known/openid-configuration: No 'Access-Control-Allow-Origin' header is present on the requested resource - Stack Overflow c# - Failed to load http://localhost:5000/.well-known/openid-configuration: No 'Access-Control-Allow-Origin' header is present on the requested resource - Stack Overflow](https://i.stack.imgur.com/nF3Pq.jpg)
c# - Failed to load http://localhost:5000/.well-known/openid-configuration: No 'Access-Control-Allow-Origin' header is present on the requested resource - Stack Overflow
API can't access .well-known/openid-configuration but I can from my browser · Issue #1116 · IdentityServer/IdentityServer4 · GitHub
![Secure Applications with OAuth2 and OpenID Connect in ASP.NET Core 5 - Complete Guide | Pro Code Guide Secure Applications with OAuth2 and OpenID Connect in ASP.NET Core 5 - Complete Guide | Pro Code Guide](https://procodeguide.b-cdn.net/wp-content/uploads/2021/06/OpenID-Connect-Authorization-Code-Flow-1024x626.png)
Secure Applications with OAuth2 and OpenID Connect in ASP.NET Core 5 - Complete Guide | Pro Code Guide
![Unable to obtain configuration from: '/.well-known/openid-configuration' when hosted on IIS · Issue #628 · openiddict/openiddict-core · GitHub Unable to obtain configuration from: '/.well-known/openid-configuration' when hosted on IIS · Issue #628 · openiddict/openiddict-core · GitHub](https://user-images.githubusercontent.com/1043865/41760045-da92f47e-75f1-11e8-8833-0d22f2bd1857.png)