Cybersecurity and Networking Terms (ABC)
Terms you need to know 3-leg perimeter A type of DMZ where a firewall has three legs that connect to the LAN, the Internet, and the DMZ. 10 tape rotation A backup rotation scheme in which ten backup tapes are used over the course of two weeks. 802.1X An authentication technology used to connect devices to a LAN or WLAN. It is an example of port‐based network access control (NAC). Acceptable use Often defined as a policy, acceptable use defines the rulesthat restrict how a computer, network, or other system may be used. Access control list (ACL) A list of permissions attached to an object. ACLsspecify whatlevel of access a user, users, or groups have to an object. When dealing with firewalls, an ACL is a set of rules that applies to a list of network names, IP addresses, and port numbers. Access control model Specifies methodologies by which admission to physical areas and,more importantly, computer systems, is managed and organized. Access control mechanism Securi...