Linux Network commands

1, NETSTAT-TULN (TCP UDP lister, n display address and port number)

Query which ports the current computer is opening

0 stands out.

TCP has the status of listening UDP is not listening

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Listen en line, modify the logical line of the SECURECRT, the logical column is a little bit larger

2, Netstat-an

And the difference: View the program you are connecting to "clients can view the game's IP address"

You can view the ports that you send to SSH, which is greater than 1024

3, Netstat-rn

You can see the gateway, ifconfig.

4, Ping 10 times

Ping-c 10 58.252.5.53

0% packet loss, 0 packet loss rate, network status is very good

Linux Network commands