Course Intermediate  3458

Course Introduction：A firewall is a system used to control access to a computer network. Firewalls can isolate risk areas from safe access areas and prevent unpredictable or unauthorized external access from invading the internal network. Learning firewalls under Linux is not only for these reasons. The most important thing is that during the learning stage, through the use of firewalls, you can better master the principles of network communication, become familiar with the operation of Linux, and master network services and network protocols. It is also important for learning Linux operation and maintenance or Cybersecurity is helpful. There are many firewalls under Linux, including iptables, firewalld, selinux, tcp_warppers, etc. This course summarizes these firewall-related technologies.

Course Advanced  11130

Course Introduction："Website Attack Prevention Training Tutorial Video" Security is of course very important to us, and it is the same for websites. In this lesson, we will talk about how to make a website better prevent external attacks! alright! Not much else to say, let’s start learning together! !

Course Elementary  8682

Course Introduction：In today's Internet era, many people want to enter the IT industry, and then they start to crazily learn C/C++, python, Java and other languages. They have learned a lot of languages, but when it comes to actual projects, they still know nothing. I think many novices think that the more languages ​​they learn, the better, but this is not the case. Until later, I got inspiration from some big guys. For novices, computer network knowledge is the most important than the language itself.

Course Elementary  2867

Course Introduction：If you have any questions, please send us a message via WeChat: Le-studyg; during the course, we will first introduce the new features of MySQL 8, including performance optimization, security enhancements, new data types, etc., to help students quickly become familiar with the latest features of MySQL 8. Next, we will deeply analyze the network communication mechanism of MySQL, including protocols, connection management, data transmission, etc., so that students can understand how MySQL communicates with the client. In addition, the course will also introduce how to optimize MySQL's network communication performance, including advanced technologies such as connection pooling, network compression, and SSL encryption. Through practical projects, students will personally configure and optimize MySQL network communication to improve database performance and security. Through the study of this course, students will be able to deeply understand the new features and network communication mechanisms of MySQL 8, and master how to achieve efficient and stable database communication in practical applications. At the same time, students will also develop analytical and problem-solving abilities and improve database management and network communication skills. Whether you are a beginner interested in MySQL 8 or a developer who wants to gain an in-depth understanding of database network communication, this course will provide you with valuable experience and inspiration. Let us explore the mysteries of MySQL 8 and network communication together and start the journey of database management!

Course Elementary  23428

Course Introduction：Linux is a free-to-use and freely disseminated Unix-like operating system. It is a multi-user, multi-task, multi-thread and multi-CPU operating system based on POSIX and UNIX.

Course Introduction：With the continuous development of the digital era, network security issues have also received increasing attention. Therefore, it has become a top priority for enterprises and organizations to develop a new generation of network security defense applications. To prevent malicious attacks and data breaches, defensive cybersecurity applications must be responsive, automated, comprehensive, and customizable. First of all, immediate response is one of the most important characteristics of network security defensive applications. There is only one chance of a cyberattack, so cyber security defense applications need to be able to respond in the shortest possible time

2023-06-11 comment 0  839

Course Introduction：How to use Linux commands to defend against network attacks With the popularity and development of the Internet, network security issues have received more and more attention. Cyberattacks have become one of the problems we cannot ignore. To protect our network and data security, we must take effective defensive measures. As a widely used operating system, Linux has strong security performance and rich command tools, which can help us better defend against network attacks. Use a Firewall A firewall is the first line of defense for network security. Linux system provides

2023-09-12 comment 0  1368

Course Introduction：With the continuous upgrading of modern network attack methods, traditional security defense methods can no longer meet the security needs of enterprises. More and more enterprises are beginning to transform to network layer security defense technology. As a high-performance web server and reverse proxy server, Nginx also has certain network layer defense capabilities. This article will introduce the best practices for using Nginx for network layer security defense. Basic protection First, we need to configure basic protection for Nginx. 1.1 Limit the connection speed Nginx can pass li

2023-06-10 comment 0  1244

Course Introduction：A powerful tool to defend against network attacks: Use of Linux commands Network attacks have become a major challenge in today's Internet era. In order to protect the network security of individuals, organizations and enterprises, we need to master some powerful tools to defend against network attacks. In Linux systems, many powerful commands can help us improve network security. This article will introduce several commonly used Linux commands and provide corresponding code examples to help readers better understand and use these commands. View network connections netstat-annetstat command

2023-09-08 comment 0  989

Course Introduction：How to carry out network security and defense strategies for Java development projects. With the development and popularization of the Internet, network security issues have also received increasing attention. As a widely used programming language, Java development projects also face various network security threats. This article will explore how to implement network security and defense strategies in Java development projects to ensure the security and stability of the project. 1. Understand common network security threats. Before designing and implementing network security and defense strategies, you first need to understand common network security threats. Common network security

2023-11-02 comment 0  851