The major difference between Intrusion Prevention Systems (IPSs) and Intrusion Detection Systems (IDSs) is that IPS devices operate in line with the traffic, while IDS devices receive only a copy of the traffic so they can analyze it. Cisco offers a wide range of products that offer IPS/IDS functionality in Enterprise Networks, including:
- Cisco 4200 and 4300 series IPS sensor appliances
- Cisco AIP-SSM modules for ASA devices
- Cisco IDSM modules for Catalyst 6500 switches
- Cisco ISR routers with IOS IPS functionality
Intrusion detection, even though it is an . . .
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