Cisco IPS 7.1 Installation Guide download pdf (Page 37)

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Cisco Intrusion Prevention System Appliance Hardware Installation Guide for IPS 7.1

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Chapter 1 Introducing the Sensor

IPS Appliances

You can configure the appliance to respond to recognized signatures as it captures and analyzes network

traffic. These responses include logging the event, forwarding the event to the manager, performing a

TCP reset, generating an IP log, capturing the alert trigger packet, and reconfiguring a router. The

appliance offers significant protection to your network by helping to detect, classify, and stop threats

including worms, spyware and adware, network viruses, and application abuse.

After being installed at key points in the network, the appliance monitors and performs real-time analysis

of network traffic by looking for anomalies and misuse based on an extensive, embedded signature

library. When the system detects unauthorized activity, appliances can terminate the specific connection,

permanently block the attacking host, log the incident, and send an alert to the manager. Other legitimate

connections continue to operate independently without interruption.

Appliances are optimized for specific data rates and are packaged in Ethernet, Fast Ethernet, and Gigabit

Ethernet configurations. In switched environments, appliances must be connected to the SPAN port or

VACL capture port of the switch.

The Cisco IPS appliances provide the following:

• Protection of multiple network subnets through the use of up to eight interfaces

• Simultaneous, dual operation in both promiscuous and inline modes

• A wide array of performance options—from 80 Mbps to multiple gigabits

• Embedded web-based management solutions packaged with the sensor

For More Information

• For a list of supported appliances, see Supported Sensors, page 1-18.

• For a description of the IPS 4240 and IPS 4255, see Chapter 3, “Installing the IPS 4240 and IPS

4255.”

• For a description of the IPS 4270-20, see Chapter 3, “Installing the IPS 4270-20.”

• For a description of the IPS 4345 and IPS 4360, see Chapter 4, “Installing the IPS 4345 and

IPS 4360.”

• For a description of the IPS 4510 and IPS 4520, see Chapter 5, “Installing the IPS 4510 and

IPS 4520.”

• For a description of the ASA 5500 AIP SSM, see Chapter 6, “Installing and Removing the ASA

5500 AIP SSM.”

• For a description of the ASA 5585-X IPS SSP, see Chapter 7, “Installing and Removing the

ASA 5585-X IPS SSP.”

Appliance Restrictions

The following restrictions apply to using and operating the appliance:

• The appliance is not a general purpose workstation.

• Cisco Systems prohibits using the appliance for anything other than operating Cisco IPS.

• Cisco Systems prohibits modifying or installing any hardware or software in the appliance that is

not part of the normal operation of the Cisco IPS.

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Cisco IPS 7.1 Installation Guide Page 37