Category: Node.js

Node.js Tutorial

HTTP Status Codes: A Comprehensive Guide

HTTP status codes are the result of an HTTP request. They tell you whether everything went well or not. In this comprehensive guide, we will cover all HTTP status codes and what they mean for your website. What are HTTP status codes?  HTTP status codes are a way of indicating the response of a request

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Top Node.js application frameworks

Introduction Node.js web application frameworks are becoming more popular every day. Different developers have different opinions on which framework is the best. In this blog post, we will compare five different Node.js web application frameworks: Express, Koa, Hapi, Restify, and Fastify. 1. Express  Express is one of the most popular Node.js web application frameworks and

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Unvalidated Redirects and Forwards | Server-side URL Redirect

Introduction Unvalidated Redirects and Forwards also called as URL Redirection or Server-side URL Redirect is a type of vulnerability found in most Web Applications. This vulnerability can be found in Java, Node.js, Python, PHP, Ruby, .NET and many more.  Unvalidated redirects and forwards occurs when a web application receives untrusted input in an HTTP request that could

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How to create a dynamic instrumentation agent in Node.js?

Creating a dynamic instrumentation agent in Node.js involves using the @opentelemetry/instrumentation package and customizing it to fit your specific use case. In this blog, we will walk you through the steps for creating a basic dynamic instrumentation agent in Node.js. Step 1: Install Required DependenciesThe first step is to install the necessary dependencies. For our

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Node.js Security: Keeping your application safe

Node.js Security, Node.js is a JavaScript runtime built on Chrome’s V8 engine. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js applications are written in JavaScript and can be run on Windows, MacOS, and Linux operating systems. Due to its popularity,Node.js is often the target of attacks. While there are

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Node.js Security – Your Guide to Secure Node Development

Node.js is an open-source, cross-platform runtime environment for developing server-side applications. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Due to its popularity, Node.js is a frequent target of cyber attacks. In this blog post, we provide a Node.js security checklist to help you secure your Node development environment and protect

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Monkey Patching in Node.js? Update code at runtime in Node.js

Introduction In this blog post, we will look at what Monkey patching is, what are the pros and cons of it, and also an example that illustrates this technique. What is Monkey patching? Monkey patching is a technique for dynamic modification of any module or function. By using Monkey patching one can add or modify

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Boosting Web Performance with HTTP/2 in Node.js: Exploring the Benefits and Implementation

Introduction HTTP/2 is a major revision of the HTTP network protocol used by the World Wide Web. It is designed to improve the performance and efficiency of web communication. HTTP/2 was developed by the Internet Engineering Task Force (IETF) as an evolution of the earlier HTTP/1.1 protocol. Key features and improvements of HTTP/2 include: Certainly!

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Remote Code Injection (RCI) attack in Node.js

Introduction Remote code injection attacks are a type of security vulnerability in which an attacker is able to inject and execute malicious code on a remote system. In Node.js, remote code injection attacks can occur when user input is not properly validated or sanitized before being executed as code. Here is an example of how

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Reading a file in Node.js

Introduction Reading a file into memory is a very common programming task. If you are building an application, then one of the important things is to read the content of a file. Node.js core API provides methods to make it easier for us. Node.js fs module provides API to do file operations. One simplest way

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