With FRP, easily break through the limitations of internal networks and firewalls to expose local services to the internet. This is cost-effective and efficient for developers and operations personnel scattered across various locations, especially for small companies or individuals, making it particularly suitable for scenarios that require rapid deployment and access! What is FRP? Understand … Read more
Network security is the cornerstone of operations and maintenance, and mastering iptables and firewalld is an essential skill for every Linux administrator. This article will take you deep into the core principles and practical techniques of these two major firewall tools! 1. Introduction to iptables iptables is a command-line tool for managing firewall rules in … Read more
As the level of information technology in modern enterprises continues to rise, the complexity of network architecture is also increasing. To effectively manage and optimize network resources while enhancing network security and flexibility, VLAN (Virtual Local Area Network) technology has emerged. As a widely used network technology in environments such as enterprises and data centers, … Read more
✦ To implement the “Guidelines for Information Security Protection of Industrial Control Systems” and fulfill the policy requirements of the “14th Five-Year Plan” for coordinated development and safety, the Industrial Control System Information Security Industry Alliance (ICSISIA) launched a collection and selection activity for typical application cases of industrial safety systems on May 20, 2021. … Read more
Click the blue text above to follow ↑↑↑↑↑ Recently, CCTV revealed how an ordinary desk lamp can “eavesdrop” and steal confidential and personal privacy without your knowledge, highlighting the pervasive danger of information theft. With ordinary furniture posing such hidden risks, the potential for information leakage from smart furniture directly connected to the internet is … Read more
Hello everyone! Today, we won’t talk about anything else but a magical tool that can completely transform your router – OpenWrt! Some of you might find the name daunting, thinking it sounds like some high-tech jargon, but simply put, it is an operating system that makes your router incredibly powerful! 1. What is OpenWrt? What … Read more
Attention:A gathering place for programmers to relax and share news According to the analysis report of China’s internet network security monitoring data in the first half of 2020, malicious program control servers, denial of service attacks (DDoS), and other network attacks have been on the rise. To this day, network attacks have become one of … Read more
When you are “surfing” the internet, have you ever wondered how proxy servers work? What are the differences between SOCKS5 and HTTP proxies, these “twin brothers”? I will use the analogy of a courier to help you easily understand the core differences between these two types of proxies. 1. Protocol Basics: The Essential Differences of … Read more
In today’s and future intelligent distribution centers, flexible topology, automatic addressing, and inherent network security are justsome of the advantages of EtherCAT. Internal logistics is a stronghold for EtherCAT: in any other industry, the unique selling points of this technology have almost no such advantage. Due to its unique operating principle, EtherCAT offers many special … Read more
链接：https://blog.csdn.net/2401_84578953/article/details/144244011? ☞The course by Liang Xu has completely exploded!☜ Everyone thinks that Linux is secure by default, and I generally agree (this is a controversial topic). Linux does indeed have a built-in security model. You need to enable it and customize it to achieve a more secure system. Linux is harder to manage, but correspondingly … Read more