This article only cares about Python's network programming and focuses on TCP/IP units.First, a simple understanding of the following:1, what is TCP/IP,UDP?TCP/IP (transmission Control
This book has a total of 33 chapters, from the bottom up to the above, discussed the TCP/IP implementation process:Data link layer and network layer->socket-> Transport layer;Going to learn from behind, start with the transport layer!Transport Layer-TCP+UDPNetwork layer (IP,ICMP,IGMP, routing, and neighbor subsystem an
If you have encountered problems such as alpha router settings during use, let's solve them together! Today, we will teach you how to set up the TCP/IP protocol for the first step of implementing Alpha router settings.
1. Click Start, select Settings, and click Control Panel.2. Double-click the Network icon and select the configuration page in the network window.
TCP/IP explanation (1) -- the origin, layering, and basic knowledge of the Protocol. Why does the TCP/IP protocol www.2cto.com exist all over the world, various computers run different operating systems to serve everyone. These computers use different methods to express the
TCP/IP Study Notes 1: Basic Concepts
Why is there a TCP/IP protocol?
In the world, various computers run different operating systems to serve everyone. These computers use different methods to express the same information. It is as if God in the Bible had disrupted the acc
What is TCP/IP?
TCP and IP protocols refer to two network protocols or data transmission methods used on the Internet ). They are transmission control protocol and Internet connection protocol. These two protocols are part of many TCP/IP
specific classifications. It is important to note that the IP address is a combination of network number + host number.Domain Name SystemThe domain Name system is a distributed database that provides services that convert host names (URLs) to IP addresses.RfcWhat is an RfC? The RFC is the standard document for the TCP/IP
protocol headers, request protocol headers, and response protocol headers. What are these protocol headers? Since it is the application layer, it is for the application. For example, the response protocol header contains the text format header, which defines how the browser should display the response information sent back from the Web server, such as XML, HTML, and other things.
4-layer Summary
In this case, the TCP/
the data format and then sends it to the kernel protocol stack. TCPIP layer Four is also only the application layer is executed in the process, the other three layers are in the kernel protocol stack2. The protocol stack receives application layer data, adds TCP or UDP headers to it, and TCP, UDP headers have a 16-bit port number to represent the application-layer protocol.3. Encapsulate the
different from that on a PC. Its features are as follows:
1. slow speed: the fastest network transmission speed of 51 single-chip microcomputer of 12 m crystal oscillator is 25KB/s. The key is that TCP/IP needs to verify and calculate each transmitted byte, and the necessary copy. The processing speed of the 51 single-chip microcomputer is not enough. To improv
TCP/IP network protocol BASICS (1)
Introduction
This article is a basic knowledge of TCP/IP protocol. It focuses on the content and functions of TCP/IP protocol clusters and the basic
TCP/IP notes (1) -- Introduction, tcpipZookeeperPrefaceI have a poor memory and have forgotten reading books. I have taken this note to record what I know and think after reading the book. This note is just a summary I wrote after reading the book, the right is to review the book later.
I. Why is there a tcp
TCP/IP FAQ (1)[Data Link] 1. Must the loopback interface address be 127.0.0.1? Class A IPs such as 127. x can be used as the address of the loopback interface, but 127.0.0.1 is commonly used. 2. Why is there no input for the loop interface? The datagram sent to the loop interface is actually sent to the input queue at
Bkjia.com exclusive Article: the TCP/IP stack is responsible for processing incoming and outgoing IP data packets, and routing data packets to the application that processes the data. Due to its own defects, the openness of the network, and hacker attacks are the main reasons for the security of the interconnected network. TC
message of XP, PTR is requested to be 4 without its own export IP.Es5:ping-r host cannot be adjusted, fixed 9 IP. Fill in your own ingress IP when sending a return message. In the request message, PTR is requested to be 8, carrying its own export IP.Generally speaking, ping with R router is out of the way, the basic is completely limited.While Ping can set the package size (but certainly less than 65535) i
Link: http://www.vckbase.com/document/viewdoc? Id = 472
Windows Socket network programming (1)--TCP/IP architecture, characteristics, and Related TermsAuthor:Freezing Point Studio Xiaoying
I. Architecture and features of TCP/IP
1
Graphic TCP-IP protocols (1)
In this paper, two diagrams are used to sort out the knowledge of TCP-IP protocol. The TCP communication process consists of three steps: establishing a TCP
In a complete network, people usually set packet filtering rules in routers or firewalls to protect Intranet security. But for an Open Server or a home PC, we usually set packet filtering rules at the operating system level to protect our system. Windows's "TCP/IP filtering" function is widely used because of its simple configuration and easy management.In a Web project implemented for a company, because th
1. Architecture and main protocols of TCP/IP protocol family
The TCP/IP protocol family is a layer-4 protocol system.
Data link layer: implements network drivers for Nic interfaces to process data transmission on physical media (such as Ethernet and Token network. The two c
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