Course Advanced  10616

Course Introduction：The course content covers common PHP security vulnerabilities in web development, vulnerabilities in common PHP functions, and PHP file system security. At the same time, the security issues of server software are introduced.

Course Intermediate  3460

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 Intermediate  11245

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17581

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Introduction：With the rapid development of information technology, network attacks and data leakage problems are becoming increasingly serious. When facing such complex security challenges, we need to take a variety of measures to ensure the security and stability of the server. Security logging is one of the most critical points. This article will explain security logging in PHP security protection and introduce how to enhance its implementation. What is security logging? Security logging means that the server regularly records information related to security events such as network attacks, intrusion prevention, and security alarms. By recording this information and

2023-06-24 comment 0  807

Course Introduction：Use PHP Security Libraries to Prevent Common Security Vulnerabilities Security is a very important consideration when developing websites and web applications. As a widely used programming language, PHP is usually subject to various security threats. To prevent common security vulnerabilities, we can use PHP security libraries to enhance the security of our code. This article will introduce some common security vulnerabilities and show how to use PHP security libraries to solve them. SQL InjectionSQL injection is one of the most common security vulnerabilities that allows an attacker to manipulate data

2023-07-06 comment 0  1093

Course Introduction：As an open source operating system, Ubuntu has always attracted much attention in terms of security. This article will discuss in detail the security of the Ubuntu system and how to strengthen the security of the system to ensure the integrity of user data and system. Ubuntu system security The Ubuntu system itself has high security, mainly based on the following aspects: 1. Updates and vulnerability fixes: Ubuntu regularly releases security updates and patches to fix known vulnerabilities and make up for system security. Users can Keep your system up to date with automatic or manual updates. 2. User rights management: Ubuntu uses user rights management to restrict users’ access and operations to the system. Ordinary users only have limited rights and require administrator rights to proceed.

2024-02-11 comment 0  703

Course Introduction：As the Internet continues to develop and mature, security issues have received increasing attention. As a commonly used web back-end development language, the security issues faced by PHP cannot be ignored. Here, we will introduce how to improve the security of PHP by strengthening HTTP security header configuration. What are HTTP security headers? The HTTP security header was invented to prevent attacks on the HTTP protocol. Simply put, HTTP security headers are a collection of additional information included in the HTTP response. These headers tell the browser that it should

2023-06-24 comment 0  1165

Course Introduction：Recently, some friends have consulted the editor 360 Security Guards on how to set up email security protection. The following will bring you the method of 360 Security Guards to set up email security protection. Friends in need can come and learn more. 1. Open 360 Security Guard and click on the main menu logo in the upper right corner, as shown in the figure. 2. Click the setting option, as shown in the figure. 3. Select the Security Protection Center option. 4. Select the email security protection option. 5. Set email security protection options. 6. When the setting is completed, save it.

2024-03-05 comment 0  618