For the disease known as head lice, see Head lice infestation. The head louse (Pediculus humanus capitis) is an obligate ectoparasite of humans that causes head lice infestation (pediculosis capitis). Head lice are wingless insects spending their entire life on the human scalp and feeding exclusively on human blood.
IP conflicts occur when two or more computers or devices (like a tablet) in the same network end up being assigned the same IP address. An IP (Internet Protocol) address is your computerâs unique identifier, comprised of a string of numbers, such as 192.168.8.4. Without one, you canât connect to the network. Usually a sort of warning or error message will pop up, alerting you of the problem.
1 Internet Protocol security (IPsec) policies for Windows Firewall on client computers. For NAP IPsec enforcement, the IPsec enforcement client must be installed on client computers. For more information, see NAP Enforcement for IPsec Communications.  802.1X port-based wired and wireless network access control.