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1. Definition: OSI (Open System Interconnection), an Open System Interconnection Reference Model, which logically divides the network protocol into seven layers. Each layer has related and corresponding physical devices. For example, a conventional

# Include # Include Int setsockopt (int s, int level, int optname, const void * optval,Socklen_t optlen );S: socket, pointing to an open interface descriptionLevel: specifies the type of the Option Code. The specific types are as follows:SOL_SOCKET:

Trackback Url: http://www.toplee.com/blog/wp-trackback.php? P = 71 I have successively performed dial-up access in CERNET, worked on the search front-end in Yahoo & 3721, worked on mop.com architecture upgrade in maopu, and worked on Development on 6

For new users who have just entered the embedded field, I don't want to talk too much about technical issues, due to technical issues, many senior lecturers from the far-sighted perspective of Huaqing will give you a detailed explanation in future

Java applications in the Client/Server network Rizhao Port Authority-Liu Yang ---- With the Java language's daily beneficial stream, it is specially the combination of Java and Internet Web, which makes it a huge success in the whole ball. Java

1. What is rootkit? Before explaining what rootkit is, you must first explain what is trojaned system commands? Trojaned System commands can be translated into "Trojan Horse program" (or, Trojan system command ). I believe everyone should know the

In the programming of the SOCKET server application of asp.cn/class = wordstyle> WINDOWS, the following statements may be compared to the following:   S = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP ); Saddr. sin_family = AF_INET; Saddr.

-------------------------------------------------------------- The springboard. It does not refer to the pull of diving (nonsense). I think everyone should have a basic understanding of how to skip or hide something through this thing. Let's give

Reprinted please keep Source: junlin Michael's blog (http://www.toplee.com/blog? P = 71)Trackback URL: http://www.toplee.com/blog/wp-trackback.php? P = 71 I have set up a dial-up access platform in CERNET, and have worked in front-end development of

Layer-7 network functionsThe layer-7 network includes the physical layer, data link layer, network layer, transmission layer, Session Layer, presentation layer, and application layer. The physical layer, data link layer, and network layer are

OSI Layer-7 Model OSI: Open System Interconnection Reference ModelProposed by ISO in 1984, the objective is to establish a general network standard. Application LayerProvides user interfaces for users to access the network.For example, email, WWW,

I Network Programming Overview Here we will only introduce the basic network knowledge involved in network programming. For more details, refer to other online books.   1. OSI reference model Specific content, arranged from top to

After reading this article, it seems that you still have a long way to go. It is not a simple task to become a qualified programmer. Work hard, stay with us! The following is the original article, which will be used as a reference for my programmers!

Name. DIC: The most common Chinese user name (see if your common user name is not in it)Passsniffer: Non-switch sniffer software with a size of only 3 KB Psexec: directly log on to the host through the IPC Pipeline Pskill: Killing process

With the expansion of Linux applications, many friends have started to access Linux. Based on windwos learning experience, they often feel a bit confused: they do not know where to start learning. It's like a war. You have the courage to defeat all

11 anti-DDoS Attacks:1. Ensure that all servers use the latest system and install security patches. The Computer Emergency Response Coordination Center found that almost all systems under DDoS attacks were not patched in time. 2. Ensure that the

Detailed process of an HTTP request Let's take a look at what happens behind the scenes when we enter http://www.mycompany.com: 8080/mydir/index.html in the browser. First, HTTP is an application layer protocol. The Protocol at this layer is

In the dormitory, How do I control my computer in the lab through computer access? The methods of Telnet, FTP, shared folder, and Remote Desktop Connection are summarized.1. Telnet Service Advantages: easy to operate and versatile Disadvantage: you

TCP/IP protocol stack This section briefly introduces the internal structure of TCP/IP and lays the foundation for discussing Internet-related security issues. TCP/IP protocol groups are popular in part because they can be used on a variety of

60 required commands in Linux Linux provides a large number of commands that can effectively perform a large amount of work, such as disk operations, file access, directory operations, process management, and file permission settings. Therefore,