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
Original address: http://www.moon-soft.com/download/info/2826.htm
Port: 0Service: ReservedDescription: Typically used to analyze the operating system. This method works because in some systems "0" is an invalid end, you will have different results
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
The general content is as follows:
Local port forward -- create a port locally and use SSH for forwarding
Ssh-l 8888: localhost: 8888 username @ codemonkey1
This command is executed on the client machine.
We need to access port 8888 of
How to find the opened port and how to close the port
The computer "Port" is an English port translation, which can be considered as an exit for communication between the computer and the outside world. The ports in the hardware field are also
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
We often see "ports" such as 135, 137, 139, and 443 in various network or website technical articles. But what is the use of these network ports? Will it pose a potential threat to our computers? How many ports are useful?
Port: 0 service: Reserved
2. Telnet protocolThe Telnet protocol is a member of the TCP/IP protocol family and is the standard protocol and main way of Internet remote Login service. It provides users with the ability to perform remote host work on the local computer. Use a
Port number---The identification number of the application software that has network functionality. Note that the port number is not fixed, that is, it can be manually assigned by the user (and, of course, is generally defined when the software is
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