Get Client IP Address Using request.header Inside this route, access the nnection object by pulling it off the incoming request object. The socket object used to be called connection, but connection was deprecated.Ĭreate a file called server.js, import Express, and use it to spin up a basic application with a single route at '/'. The request's IP address is a property that is easily accessible on this object. One property on the request object is the socket object, which allows you to get information about the request's connection. Get Client IP Address Using request.socket In our examples, we'll use this to send the client's IP address back to the browser so we can display it. The response object is used to send information back to the client. In addition to the request object, Express also provides a response object as the second argument to the app interface. There are two main ways to pull the IP address from the request object: using nnection and using request.header. The request object is typically written as req, and it is the first argument to any method found on the Express app interface. The Express Request ObjectĮxpress wraps the HTTP request from the client in an Express request object, extending the basic HTTP request with handy methods that you can use in to access the properties of the request in your Node app. Express is a lightweight and robust framework for Node JS that provides a set of tools for quickly and easily building web applications. If you're running Express on your Node JS server, it's very easy to get the request's ip address. We'll also look at how AbstractAPI's IP Geolocation API gets geolocation information about a client IP address so that we can use that information to improve the in-app experience for our users. In this article, we'll cover three simple ways of discovering a client's IP address in Node.js.
Location services include things like showing language translations and proper currencies to users based on their geolocation. Knowing a request's IP address is useful for a number of things, like preventing fraud or providing targeted location services to your users. If you’re a full-stack developer building an app using Node JS, at some point you may need to figure out what a request's IP address is. When a request is sent to a website, a DNS resolver IP addresses and DNS resolution are how information gets from one computer to another. IP stands for “Internet Protocol,” and refers to the rules that govern how data is sent around the internet. Every device online is identified with a string of numbers called an IP address.
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