Introduction Spring Framework is one of the most popular Java frameworks, offering a robust infrastructure to develop enterprise-level applications. At the core of Spring is the Inversion of Control (IoC) container, responsible for managing the lifecycle of beans (objects) and their dependencies. Within the Spring IoC container, BeanFactory and ApplicationContext are two primary interfaces.…
Introduction Handling security exceptions is a critical aspect of implementing robust security in any application. Spring Security provides mechanisms to handle various security-related exceptions, such as authentication failures, access denials, and more. This tutorial will guide you through the process of handling security exceptions in a Spring Boot application. Prerequisites Before starting, ensure you…
As organizations increasingly adopt microservices and cloud-native architectures, securing these systems has become a critical concern. OAuth2 and OpenID Connect (OIDC) have emerged as leading standards for securing APIs and managing user identities. Spring Security, a powerful and customizable authentication and access-control framework for Java applications, provides robust support for integrating OAuth2 and OpenID…
Guide to Token-Based Authentication with JWT in Spring Security Token-based authentication has become a popular mechanism for securing modern web applications. JSON Web Tokens (JWT) are a particularly common choice due to their compact, self-contained nature. This guide will walk you through implementing JWT-based authentication using Spring Security, a robust and customizable framework for…
In today's digital landscape, securing web applications is paramount. One fundamental way to protect your application is by implementing authentication mechanisms that ensure only authorized users can access your resources. Among the various authentication methods, HTTP Basic Authentication stands out for its simplicity and ease of implementation. This article will guide you through securing…
In 2024, online privacy remains a critical concern, and using a VPN (Virtual Private Network) is one of the best ways to protect your data. With countless options available, choosing the right VPN can be overwhelming. To help you navigate the crowded market, we've compiled a list of the top 10 VPNs for 2024…
Spring Security is a powerful and highly customizable authentication and access-control framework for Java applications. Whether you are building a small application or a large enterprise system, securing your application is paramount. In this article, we'll explore how to get started with Spring Security, focusing specifically on username and password authentication. What is Spring…
In many countries, internet censorship restricts access to information and limits online freedom. VPNs provide a way to bypass these restrictions and access the open internet. Here’s how VPNs help you overcome censorship and stay connected. How Internet Censorship Works Blocking Websites Governments and ISPs may block access to specific websites, preventing users from…
Choosing the right VPN service can be overwhelming, especially with so many options available. This beginner’s guide will help you navigate the key factors to consider when selecting a VPN, ensuring you make the best choice for your needs. 1. Understand Your Needs Privacy: If privacy is your primary concern, look for a VPN…
Difference Between interface and @interface in Java In Java, interface and @interface are two distinct constructs with unique purposes. Here’s a concise breakdown of their differences, characteristics, and examples to illustrate their use cases. interface in Java The interface keyword is used to define an interface, which acts as a contract for classes. An…