tcp ip ports and protocols

to make the transferred data meaningful, you must use the Application layer protocol, the application layer protocol, such as HTTP, FTP, Telnet, etc., You can also define the application layer protocol yourself. The web uses the HTTP protocol as an application-layer protocol to encapsulate HTTP text information and then send it to the network using TCP/IP as the Transport layer protocol. ”And we usually sa

to make the transferred data meaningful, you must use the Application layer protocol, the application layer protocol, such as HTTP, FTP, Telnet, etc., You can also define the application layer protocol yourself. The web uses the HTTP protocol as an application-layer protocol to encapsulate HTTP text information and then send it to the network using TCP/IP as the Transport layer protocol. ”And we usually sa

layer, the session layer. Just like before the Ministry of Industry and Information Industry department, now implement a large ministry of Industry and Information Technology department only a department, but this department is to do the previous two departments as many things, essentially not much difference. There are two important protocols in TCP/IP, the

This is a creation in Article, where the information may have evolved or changed. Go language TCP/IP network programming At first glance, connecting two processes through the TCP/IP layer can be scary, but in the go language it may be much simpler than you think. Application scenarios for sending data at the

the instance, it is necessary to briefly describe the basic principles of TCP/IP. A. The network is layered, and each layer is responsible for different communication functions. TCP/IP is generally regarded as a layer-4 protocol system, and the TCP/

that receives the packet is a public interface connected to the Internet, Ipnat.sys compares the packet to its NAT translation table. If a match is found, the IP packet is converted and the resulting packet is treated as the source of the stream.Windows Firewall checks the IPSEC Bypass tag associated with the packet. If an IPsec Bypass tag is set, Windows firewall will pass the packet back to Tcpip.sys.If the IPsec Bypass tag is not set, Windows fire

Original address: http://blog.chinaunix.net/uid-26833883-id-3627644.html interconnection network in the early days, the interconnection between hosts uses the NCP protocol. This protocol itself has many shortcomings, such as: Can not interconnect different hosts, can not interconnect different operating systems, no error correction function. To improve this shortcoming, Daniel has made the TCP/IP protocol.A

execute the Net Services command at the command line 5, in addition to the above command, there are, please write you know the order. TaskillTaslistNET view display computer listNetstatFtpTelnetThird, system ports and services 1, turn off the following services, what will happen, and please explain your opinion. Automatic Updates Cannot be updated automatically Plug and Play Disabling can cause USB to not be available. Remote Registry Service Prevent

Compare the ping commands of tnsping and TCP/IP of Orale: -----------------------------------------------------------------------------Oracle Net tool (command) tnsping is an OSI Session Layer tool used: 1) Verify the name resolution (name resolution, of course, the name of the Oracle Network Service) 2) whether the remote listener is enabled In terms of verifying the above two features, it is a handy tool

SQL Server 2005 Express TCP/IP remote access settingssql Server 2005 Express is a low-end solution for Microsoft databases and is widely used in the development of small applications and Web applications. However, the SQL Server 2005 Exrpress only allows native access under the default installation, so it is necessary to enable the network Access feature, and now let me briefly introduce you. 1. Confirm th

protocol as an application-layer protocol to encapsulate HTTP text information and then send it to the network using TCP/IP as the Transport layer protocol. "We usually say the most socket is what, in fact, the socket is the TCP/IP protocol encapsulation, the socket itself is not a protocol, but a call interface (API)

TPC/IP Protocol is a Transport layer protocol, which mainly solves how data is transmitted in the network, and HTTP is the application layer protocol, which mainly solves how to wrap the data. regarding the relationship between TCP/IP and HTTP protocol, the network has a relatively easy to understand: "When we transmit data, we can only use the (Transport Layer)

echoserver Compiling clients GCC Echoclient.c-o echoclient TCP/IP connection establishment, interaction, shutdown First we need to enable tcpdump to monitor client and server-side messages: Tcpdump-s-nn-vvv-i Lo Port 6888 -S to print the sequence number of TCP packets, use an absolute ordinal number instead of a relative order number -nn means no port to name

information in the IP header. Each segment of the TCP packet segment contains a TCP header, which is then reorganized at the transport layer based on the TCP header information. After the IP datagram is sharded, it is only reorganized after it reaches the destination, rathe

address part of each packet, make these packets to the correct destination. The Gateway computer on the network selects routes based on the address of the information. Even the packets from the same file may be different, but it will eventually converge at the destination ｡ TCP/IP uses the Client/Server mode for communication. TCP/

Original address: http://blog.csdn.net/goodboy1881/article/details/665041Why is there a TCP/IP protocolAll over the world, a wide variety of computers run their own different operating systems for everyone, and these computers are used in many ways when expressing the same message. It is as if God in the Bible has disturbed the accents of people everywhere and made them unable to cooperate. Computer users r

TCP/IP Reference Model and TCP/IP protocolSimilar to the OSI Reference Model, the TCP/IP Reference Model draws on the idea of network layering, simplifies the level of the network, and provides a perfect protocol in each layer of

tunnelingOther IP-related technologies5.8.1 IP multicast-related technologies5.8.2 IP anycast5.8.3 Communication Quality Control5.8.4 Explicit Congestion notification5.8.5 Mobile IPThe sixth chapter TCP and UDPThe role of the transport layer6.1.1 Transport Layer Definition6.1.2 Communication Processing6.1.32 Transport

OSI Layer-7 network model and TCP/IP layer-4 Network Model Original by Mu ant Community Www.mumayi.net, this post address: http://bbs.mumayi.net/viewthread.php? Tid = 932283 1. OSI network layered Reference Model Network Protocol designers should not design a single, huge protocol to provide complete details for all forms of communication, but should divide communication problems into multiple small pro

This section tells you something: Client sockets: How to create and use Socket:socket, as well as socket options and exceptions. Service-side sockets: How to create and use Serversocket:seversocket, and ServerSocket options A simple client/server Dialogue program Support for multi-client Client/server service Responder Learn about network fundamentals and network protocols before you learn the network programming of your JDK.