Asp net core sharing authentication cookies in web farm doesnt work

Introduction

ASP.NET is a popular language used for building web . One common challenge faced by developers is sharing cookies in a web farm environment. In this article, we will explore this and provide solutions with .

The Problem

When a user logs into a web application, a session is created, and an authentication cookie is generated. This cookie is used to authenticate the user for subsequent requests. In a web farm environment, where servers handle incoming requests, the challenge arises when the user's session is not by other servers in the farm.

1: Sticky Sessions

One way to solve this problem is by using sticky sessions. Sticky sessions ensure that a user's requests are always routed to the same server in the web farm. This can be achieved by the load balancer to route requests based on the user's IP address or session ID.


// Example code for configuring sticky sessions in ASP.NET
.AddDataProtection()
.SetApplicationName("YourApplicationName")
.PersistKeysToFileSystem(new DirectoryInfo(@"\serversharedirectory"))
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