How to Easily Get the Client's IP Address in ASP.NET Core?

Simplified Client IP Address Retrieval in ASP.NET Core

In earlier ASP.NET versions, accessing the client's IP address was simple using Request.ServerVariables["REMOTE_ADDR"]. However, this approach isn't always dependable in ASP.NET Core.

The Modern Approach:

ASP.NET Core offers a streamlined method for obtaining the client IP address. As noted by Damien Edwards, the recommended technique is:

<code class="language-csharp">var remoteIpAddress = request.HttpContext.Connection.RemoteIpAddress;</code>

This code snippet efficiently retrieves the client IP address using the HttpContext and Connection properties. This provides a reliable and consistent way to identify the source of web requests within your ASP.NET Core applications.

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