Internet Technologies Networked Host Security

• AAA is a way to control who is permitted to access a network (authenticate), what they can do while they are there (authorize), and track what actions they perform while accessing the network (accounting)
• Intrusion Detection Systems (IDSs) passively monitor traffic on the network while Intrusion Prevention Systems (IPSs) can detect and immediately address a network problem
• Universal Threat Management (UTM) include all the functionality of an IDS/IPS as well as stateful firewall services