The computer ports are as follows:
0 Port: Invalid port, typically used to analyze operating system
1 Port: Transmission Control Protocol port Service multi-Switch Selector
2 Port: Management utility
3 Port: Compression process
5 Port: Remote
View the complete version: [-- Port details and how to enable and disable ports --]
I went to trustnet-platinum Network Management-Internet-Software Development-> Windows-> port explanation and how to enable port
TCP/UDP Common port number
7 Echo (PING)9 DiscardDaytimer19 Word Fuzhou Builder20/TCP FTP Data21/TCP FTP Control File Transfer Protocol22/TCP SSH Secure Login, File transfer (SCP), and port redirection23/tcp Telnet Unsafe Text transfer25/tcp SMTP
Port Concept
In network technology, Ex *] Network g.] # Yu K # The LN Port has two meanings: one is the physical Port, for example, ADSL Modem, Hub, switch, router is used to connect other network equipment interface, such as RJ-45 port, SC port
OSI Reference ModelOSI RM: Open Systems Interconnect Reference Model (open Systeminterconnection Reference Model)The OSI Reference model has the following advantages:
Simplifies the related network operation;
Provide
In the computer network OSI model, the TCP port completes the function specified by the layer-4 transmission layer. Many applications connected to our computer and network are implemented through TCP ports. This article will share with you some
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
The linux OSI Layer-7 model, TCP/IP protocol stack, and the structure of each layer reveal big secrets. The osi protocol stack
When I learn Linux, I know the OSI model even if I am a little cute. What ?! You don't know !!! Okay, this secret is taken
Computers communicate with each other through ports. For example, when accessing a website, Windows opens a port (such as port 1025) on the local machine and connects to a port of the remote website server, this is also true when others access you.
1024 The following is reserved for the system, and from 1024-65535 is used by the userFor personal writing applications, try not to use a port number between 0 and 1024.1024 to 65535 we can program with. This is not a Linux rule, it is the socket
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