"packet-filtering routers" znaczenie w angielski leksykon

Singular of packet-filtering routers is packet-filtering router.

Also called screening routers, these firewalls are routers that can be configured with a series of rules to allow, reject, or drop inbound or outbound packets based on Internet Protocol (IP) address or port number. Packet-filtering routers operate at the network layer and combined with network address translation (NAT) can provide networks with a first level of defense. An advantage of packet-filtering routers is that they operate very fast and can process packets at line speed.