Windows Authentication works on IIS but not Kestrel / Microsoft.AspNetCore.Authentication.Negotiate (not in Chrome, sometimes in Edge, always in IE)?

Introduction When working with a Blazor (Server-side) application that utilizes Windows Authentication, you may encounter a situation where the authentication works seamlessly when running the application using IIS but fails when using Kestrel. Additionally, you may observe that the authentication does not function properly in Chrome, sometimes works in Edge, and consistently works in Internet…

Troubleshooting the “Invalid Token Error: Cannot read property ‘replace’ of undefined” in React.js

Introduction Are you encountering the frustrating “Invalid Token Error: Cannot read property ‘replace’ of undefined” in your React.js application? Don’t worry, you’re not alone! In this article, we’ll dive into the root cause of this error and provide you with step-by-step solutions to resolve it. So, let’s embark on this troubleshooting journey together! Understanding the…

Troubleshooting Google reCaptcha: Fixing 405 Error and CORS Message

Introduction: Encountering a frustrating issue with Google reCaptcha, specifically the 405 error and CORS message? Don’t worry, you’re not alone! Many developers face this challenge when implementing reCaptcha on their websites. In this comprehensive guide, we will delve into the root causes of this problem and provide step-by-step solutions to help you successfully test reCaptcha…