Accessing Domain Names via HTTP

Accessing Domain Names via HTTP

This experiment is a comprehensive test of HTTP fundamentals and DNS servers. 1, Upload the test file, which is the sogou search homepage downloaded from the internet. 2, First use the IP address range to determine if the HTTP service is functioning normally. 3, Modify the baidu zone file baidu.zone by changing the IP address. … Read more

Understanding System DNS and HTTPDNS: Principles, Features, and Applications

/ Today’s Tech News / Recently, the China Cybersecurity Association published a statement disclosing frequent security vulnerabilities in Intel CPUs, poor reliability, user monitoring, and hidden backdoors, suggesting that Intel has ignored user complaints and recommending the company to initiate a cybersecurity review. In response, Intel issued a statement emphasizing that product safety and quality … Read more

HTTP Request and Response Messages

HTTP Request and Response Messages

Songqin Software Testing Adhering to Educational Original Intention Both Asking About Harvest and Cultivation 1. Request Message Request Message: Request Line (Generally understanding the content of the request) Message Header (Additional information for the request, some regulations for requesting and receiving data) Message Body (Data sent from the client to the server) 2. Response Message … Read more

Analysis of WiFi Configuration Script in Embedded Linux

Analysis of WiFi Configuration Script in Embedded Linux

The embedded Linux system generally supports WiFi networking, which can be achieved through sh scripts or other programming languages. This article introduces the execution principle of a script that configures WiFi using sh scripts. 1. Introduction to sh Script for WiFi Networking Here, we take the WiFi startup script in the Feilin development board as … Read more

In-Depth Explanation of TCP/IP Protocol (Must-Read for Advanced Users)

In-Depth Explanation of TCP/IP Protocol (Must-Read for Advanced Users)

Reading this article takes about 7.45 minutes. Author: Ruan Yifeng http://www.ruanyifeng.com/blog/2012/06/internet_protocol_suite_part_ii.html This article is a supplement to the previous introduction to the TCP/IP protocol, expanding on various protocols to give everyone a global overview of network protocols. The previous article analyzed the overall concept of the Internet, from the bottom up, discussing the design philosophy … Read more

How to Set Up an IP Address

How to Set Up an IP Address

How to Set Up an IP Address Press the “WIN” key + “R” key on your keyboard (WIN key: the key circled in the above image) Type “ncpa.cpl” (without quotes), and press Enter Right-click on “Local Area Connection” or “Ethernet”, and select “Properties”. Scroll down until you find “Internet Protocol Version 4 (TCP/IPv4)” in the … Read more

What To Do When IP Address Conflicts Occur? Solutions Are Here!

What To Do When IP Address Conflicts Occur? Solutions Are Here!

IP address conflicts typically occur within a local area network (LAN). In a LAN, multiple computers are present, each assigned a unique IP address. If one computer’s IP address is modified and coincides with another computer’s IP address within the same LAN, an IP conflict will occur. 【Fault Case】: In a certain LAN, the router … Read more

Computer Basics: IP Addresses and Domain Names

Computer Basics: IP Addresses and Domain Names

We often hear the term IP, but what is IP? IP stands for “Internet Protocol”, which is the protocol for interconnecting networks, abbreviated as IP. After understanding IP, let’s talk about what an IP address is. First, let me ask everyone a question: there are tens of millions to over a billion hosts connected to … Read more

Huawei HCIA Network Troubleshooting Explained

Huawei HCIA Network Troubleshooting Explained

Click the blue text above to follow us Resource Sharing Huawei Certification Beginner to Advanced Practical Course ↓ Scan the QR code for practical video lessons ↓ 1. Essential Conditions for Network Troubleshooting Why do we need to discuss essential conditions first? Because the network troubleshooting discussed here is not just about using a small … Read more