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This article mainly explains "how to use the command to check the port of Linux", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "Linux how to use the command to view the port"!

Netstat-atulnp will show all ports and all corresponding programs, and you can filter out the desired fields with the grep pipeline.

-a: all, which lists all connections, service monitoring, and Socket data

-t: tcp, listing the services of the tcp protocol

-u: udp, which lists the services of the udp protocol

-n: port number, displayed with port number

-l: listening, which lists the current listening services

-p: program, listing the PID of the service program

Proto: network transport protocol, mainly tcp and udp

Local Address: local ip:port

Foreign Address: ip:port of the remote host

State: connection status, mainly monitoring (LISTEN) and establishment (ESTABLISED)

PID/Program: process number / service name of the service

At this point, I believe you have a deeper understanding of "Linux how to use the command to view the port". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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