Course Intermediate  3528

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  11360

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  17663

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：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  652

Course Introduction：A complete guide to WordPress security protection! With the development of the Internet, WordPress, as a popular content management system, is chosen by more and more websites. However, security threats are also increasing, and website security issues have become the focus of the majority of WordPress website owners. In order to protect the security of the WordPress website, we need to take a series of security measures, including but not limited to strengthening the login system, installing security plug-ins, regularly backing up data, etc. 1. Add

2024-02-29 comment 0  790

Course Introduction：Since the operation requires turning off the security protection of the Windows 10 computer, but we don’t know how to do it, we first open the start menu, search for updates and security options after setting the options, and then open the security center to finally remove germs and threats to security. Just turn off all the protection functions in the protection options. In this way, we have successfully turned off Windows 10 security protection. Detailed introduction to how to turn off security protection in Windows 10 1. Click the Start menu logo, then click Settings options, then click Upgrade and Security options 2. Find Windows Security Center on the left, click Select to open Windows Security Center 3. Click on this page Turn on virus infection and threat security protection option 4. In

2023-07-15 comment 0  5458

Course Introduction：As one of the most popular open source server-side scripting languages, PHP has a large user base around the world. However, due to PHP's own design flaws, it has some security risks. Nowadays, with the continuous escalation of network attack methods, protecting server security has become more and more important. In this article, we will focus on an important area of ​​PHP security: protecting the server firewall. What is a server firewall? A server firewall is a network security device used to protect computers on a network

2023-06-24 comment 0  1154

Course Introduction：In Windows 11, security protection is always turned on to ensure the security of your computer and prevent connections to dangerous files. However, this may also mistakenly block some commonly used programs or files, so some users may wish to turn off security protection. The following are two methods of turning off the security protection function: Method 1: Turn off the security protection function through the Windows Security Center 1. Click the "Notification" icon in the lower right corner of the taskbar, and then click "All Settings". 2. In the pop-up window, click "System". 3. In the left navigation bar, click "Windows Security". 4. In the right window, click "Open Windows Security Center". 5. In the Windows Security Center window, click “Disease

2024-02-01 comment 0  1606