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Reference link: UDP based server and client_ C language Chinese network  1, IP address, port, communication protocol     1. IP address         Computers in the network use IP addresses for unique identification.       2. Port number         Port number is an integer numb ...

Fancy stack overflow reference resources: https://ctf-wiki.org/pwn/linux/user-mode/stackoverflow/x86/fancy-rop/#2018-over reference resources: https://www.yuque.com/hxfqg9/bin/erh0l7 reference resources: https://ctf-wiki.org/pwn/linux/user-mode/stackoverflow/x86/fancy-rop 1. Principle 1.1 stack pivoting Stack pivoting is turned into s ...

network model Difference between TCP protocol and UDP protocol The underlying implementation principle of Http protocol. What is a network model The essence of network programming is the data exchange between two devices. Of course, in computer network In, equipment mainly refers to computers. Data transmission itself is not very difficu ...

reference resources TCP/IP network programming Yin Shengyu TCP principle I/O buffering in TCP sockets The data sending and receiving of TCP socket has no boundary. For example, the client can slowly receive the data transmitted by the server in batches In fact, the data is not transmitted immediately after the write function is called, and ...

Experiment 2 connection oriented Socket programming 1, Experimental purpose 1. Understand the working principle, service mode and type of Socket. 2. Understand the framework structure and related data structure of Socket application. 3. Understand the connection oriented Socket communication process. 4. Master the method of using WinSock func ...

preface Reactor design pattern is a common pattern for processing concurrent I/O. it sends client requests to different processors to improve the efficiency of event processing. In the most common application scenario, java NIO, users process network requests using asynchronous non blocking IO. Including the netty framework, the model is used. ...

Topic communication Principle of topic communication Topic communication has three roles: ROS Master (Manager)Talker (publisher)Listener (subscriber) The Master is responsible for linking publishers and subscribers to publish and subscribe links through the same topic. After the link, the publisher and subscriber can continuously publish ...

Qt network programming to realize TCP communication Labels (space delimited): Tcp communication 1, Introduction to Tcp (1) TCP (Transmission Control Protocol) TCP is a transport layer network protocol for data transmission. Several network protocols include (HTTP and FTP are based on TCP protocol). TCP is a reliable transport protocol for ...

1, IP address 1. Concept of IP address IP address is an address that identifies devices in the network, just like the home address in real lifeRendering of equipment in the network: 2. Expression of IP address IP addresses fall into two categories: IPv4 and IPv6IPv4 is the currently used ip addressIPv6 is the ip address to be us ...

DHCP - Dynamic Host Configuration Protocol Dynamic Host Configuration Protocol: A range of IP addresses is controlled by the server, and clients can automatically get the IP addresses and subnet masks assigned by the server when they log on to the server. Service Port: UDP 67-Response 68-Request; This protocol is often used in large local a ...