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

Retrieving the Client's IP Address in ASP.NET Core Applications

Accessing a client's IP address is crucial for many ASP.NET Core applications, enabling features like user request tracking and geolocation. While older ASP.NET methods like accessing Request.ServerVariables["REMOTE_ADDR"] are obsolete, ASP.NET Core offers a cleaner, more reliable solution.

The Modern Approach

Damien Edwards' recommended method provides a straightforward way to obtain this information:

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

This concise code snippet utilizes the HttpContext property of the request object to access the Connection property. The client's IP address is then readily available via the RemoteIpAddress property within the Connection object.

This updated approach ensures efficient and accurate retrieval of the client's IP address, enabling developers to seamlessly integrate this data into their ASP.NET Core applications.

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