DDNS

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

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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

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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!

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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

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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

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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

Essential Technical Terms Every Network Engineer Should Know

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Essential Technical Terms Every Network Engineer Should Know

No matter how one’s mindset changes, technology remains the most powerful weapon in the hands of network engineers! Today’s technical points are explained from small details, which can help beginners solve basic literacy issues and allow experienced network engineers to “review and learn anew”. Let’s take a look together~ 01 LAN (Local Area Network) Typically … Read more

Setting Up a DNS Server on Linux

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Setting Up a DNS Server on Linux

Follow「Raymond Operations」 WeChat official account, and set it as「Starred」, you can also scan the QR code at the bottom to join the group chat, to get the latest content in real time and never miss exciting content. Introduction to DNS DNS (Domain Name System): is a system that uses a client/server mechanism to convert computer … Read more

Understanding TCP/IP Protocols and Their Layers

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Understanding TCP/IP Protocols and Their Layers

From: Juejin, Author: Ruheng Link: https://juejin.im/post/6844903490 595061767 1. TCP/IP Model The TCP/IP protocol model (Transmission Control Protocol/Internet Protocol) includes a series of network protocols that form the foundation of the Internet and is the core protocol of the Internet. The reference model based on TCP/IP divides the protocol into four layers: the Link Layer, Network … Read more

Summary of TCP/IP Network Protocols

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Summary of TCP/IP Network Protocols

TCP/IP Model TCP and UDP Why TCP Requires Three-Way Handshake Why TCP Requires Four-Way Teardown The Process of a Web Page Requesting a URL How DNS Works Principle of HTTPS Encryption 1. TCP/IP Model Application Layer: Specifies the data format for application programs and handles specific application details. Transport Layer: Specifies ports for specific applications … Read more

Understanding the TCP/IP Protocol Suite

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Understanding the TCP/IP Protocol Suite

1. Architecture The TCP/IP protocol suite is a four-layer protocol system. Figure 1 TCP/IP Architecture Data Link Layer: Implements the network driver for the network interface card, handling the transmission of data over physical media (Ethernet, Token Ring). The network driver abstracts the electrical characteristics of different physical networks. The data link layer uses ARP … Read more