Dictionary · NIST SP 800-41
L2 — definitions grouped by regulatory framework.
Nouns
7 senses- Demilitarized zone
An interface on a routing firewall that is similar to the interfaces found on the firewall’s protected side. Traffic moving between the DMZ and other interfaces on the protected side of the firewall still goes through the firewall and can have firewall protection policies applied.
- Egress Filtering
Filtering of outgoing network traffic.
- firewall
A device or program that controls the flow of network traffic between networks or hosts that employ differing security postures.
- Network Access Control
A feature provided by some firewalls that allows access based on a user’s credentials and the results of health checks performed on the telework client device.
- Network address translation
A routing technology used by many firewalls to hide internal system addresses from an external network through use of an addressing schema.
- Packet Filter
A routing device that provides access control functionality for host addresses and communication sessions.
- Ruleset
A set of directives that govern the access control functionality of a firewall. The firewall uses these directives to determine how packets should be routed between its interfaces.