Guide to Using IoT Cards in Industrial Gateways Using IoT cards for wireless data transmission in industrial gateways is a common method in the Industrial Internet of Things (IIoT). Choosing IoT Cards Industrial gateways support 5G/4G IoT cards, which are specialized SIM cards designed for industrial scenarios, offering more stability and reliability than regular mobile … Read more
In the digital age, home networks are as essential as water and electricity in our homes. We rely on them for work, study, entertainment, and socializing. However, with the widespread use of the internet, the security threats facing home networks are increasing, and routers, as the core hub of home networks, have become prime targets … Read more
Through action, knowledge deepens; through deep knowledge, action becomes more effective. To stimulate students’ interest and enthusiasm for studying information technology, and to help everyone understand more practical computer knowledge, the School of Information Technology has specially launched the “IT Knowledge Base” column. Continuous effort, like water dripping through stone, conveys the pulse of information, … Read more
When you enter a URL in your browser to search for information, have you ever noticed whether it starts with “http” or “https”? The difference of an ‘S’ signifies a world of difference in terms of network security. This article delves into the distinctions between HTTP and HTTPS. 1. HTTP HTTP, or HyperText Transfer Protocol, … Read more
链接：https://blog.csdn.net/weixin_74814027/article/details/145933302?spm=1001.2014.3001.5502 1. Introduction to HTTP and HTTPS HTTP (HyperText Transfer Protocol) is a stateless communication protocol commonly used for transmitting hypertext (such as HTML pages) between clients (like browsers) and servers. However, it is merely a one-way communication protocol, and data is not encrypted during transmission, making it susceptible to man-in-the-middle attacks. Stateless means it … Read more
The operations and maintenance positions are mostly referred to as computer repair technicians, network cable installers, surveillance system repairers, printer repairers, etc.To correct the widespread misunderstanding of the IT industry, I am specifically publishing this article today to explain that IT is not just about performing the above tasks, but also encompasses many technical and … Read more
HTTP proxies are widely used for enhancing network security and efficiency. However, many users focus solely on the convenience they offer, overlooking the potential risks. Five Hidden Risks of HTTP Proxies ① Abuse of Proxy Servers Employees may access illegal websites through proxies, exposing the company to legal risks. For instance, some employees might use … Read more
Abstract: This article explains how to log incoming and outgoing dropped firewall packets. When your IPTables rules are not working as expected, you may need to log the dropped packets for troubleshooting. This article describes how to log incoming and outgoing dropped firewall packets. Logging All Dropped Incoming Packets First, we need to understand how … Read more
This article is sourced from: Low Power Wide Area Network Review With the gradual promotion of LoRa technology, many applications have adopted LoRa technology chips, but for various reasons, they have not utilized the LoRaWAN network protocol. So, what advantages does the LoRaWAN network protocol have compared to LoRa private protocols? Many applications have adopted … Read more
Understanding the differences between SOCKS and HTTP proxies is crucial for optimizing your online activities, whether you are a tech-savvy individual, a modern internet user, or a business owner. When using proxy IPs, it is essential to first understand the differences between these two protocols. 1. Understanding HTTP Proxies HTTP (Hypertext Transfer Protocol) proxies are … Read more