Redirect URI – Chilkat Tech Notes

August 4, 2024

Solution for Azure OAuth2 Error: Public clients can’t send a client secret.

Problem: When trying to do get the initial OAuth2 authorization token from Azure (using Chilkat.OAuth2), I get the following error: {“error”:”invalid_request”,”error_description”:”AADSTS90023: Public clients can’t send a client secret. Trace ID: … Solution: Chilkat.OAuth2 is for desktop apps and scripts (i.e. not code that runs on a web server), but it still behaves as a “Web App” because Chilkat.OAuth2.StartAuth starts a […]

OAuth2 0 33 sec read

October 24, 2022

Microsoft Azure OAuth2 Redirect URI Notes

Here are some notes regarding OAuth2 Redirect URI’s for Microsoft Azure AD apps. See https://learn.microsoft.com/en-us/azure/active-directory/develop/reply-url A few important points: You can add http://127.0.0.1, and it is preferred over http://localhost because of misconfigured firewalls or hosts file etc. 127.0.0.1 is the loopback address and localhost is just translated into 127.0.0.1. The only pitfall is that you have to add it as […]

OAuth2 0 51 sec read

Solution for Azure OAuth2 Error: Public clients can’t send a client secret.

Microsoft Azure OAuth2 Redirect URI Notes

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