Filter the port number used by the service through the name of the service

Filter the port number used by the service through the name of the service

# netstat-upnl|grep NTPD I This command is to filter out the UDP port number of the NTP service

DP 0 0 172.16.1.4:123 0.0.0.0:* 9591/ntpd

UDP 0 0 127.0.0.1:123 0.0.0.0:* 9591/ntpd

UDP 0 0 0.0.0.0:123 0.0.0.0:* 9591/ntpd

UDP 0 0 fe80::e61f:13ff:fe3:123:::* 9591/ntpd

UDP 0 0:: 1:123:::* 9591/ntpd

UDP 0 0::: 123:::* 9591/ntpd

-U (UDP) displays only UDP-related options

-T (TCP) displays only TCP-related options

-P Displays the program name that establishes the associated link

-N refuses to display aliases, showing all numbers converted to numbers.

-l list only service status in Listen (listening)

This article is from the "david0512" blog, make sure to keep this source http://gjr0512.blog.51cto.com/6518687/1728301

Filter the port number used by the service through the name of the service