Captain of the port.

dont go to the air port just stay home and make some gravey

port security is a CLI command used to restrict access to a network from a cisco switch by allowing access only to the hosts whose MAC addresses are defined in the switch. except the allowed hosts remaining hosts will be blocked based on the violation mode chosen.

sho port-security int fa0/6

SANS Internet Storm Center - A global cooperative cyber threat / internet security monitor and alert system.