There are several options for including Intrusion Detection and Prevention modules into Cisco Adaptive Security Appliances. Each of the available modules provides common features, but at different performance levels.
For the Cisco ASA-5510, ASA-5520, and ASA-5540 appliances, three IPS modules are available: the AIP-SSM-10, AIP-SSM-20, and AIP-SSM-40, shown in Figure 5-1. These Advanced Inspection and Prevention Security Services Modules (ASA AIP-SSM) are a powerful option for providing intrusion detection system (IDS) or intrusion prevention system (IPS) services.
Figure 5-1. ASA AIP-SSM
For the Cisco ASA-5505 appliance, a single card, called the AIP-SSC-5, is available. ...