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NIDS
From NetSec
Network layer Intrusion Detection Systems
NIDS are an IDS that monitor all traffic to and from all network devices. It will read incoming packets looking for suspicious patterns. Popular NIDs such as snort and Cisco IDS are used often-times in conjunction with a firewall to form an IPS. Also commonly used to send information to a SIM or SIMS
NIDS is part of a series on countermeasures.
