Appendix A System Architecture

Summary of Cisco IPS Applications

/usr/cids/idsRoot/bin—Contains the binary executables.

/usr/cids/idsRoot/bin/authentication—Contains the authentication application.

/usr/cids/idsRoot/bin/cidDump—Contains the script that gathers data for tech support.

/usr/cids/idsRoot/bin/cidwebserver—Contains the web server application.

/usr/cids/idsRoot/bin/cidcli—Contains the CLI application.

/usr/cids/idsRoot/bin/nac—Contains the ARC application.

/usr/cids/idsRoot/bin/logApp—Contains the logger application.

/usr/cids/idsRoot/bin/mainApp—Contains the main application.

/usr/cids/idsRoot/bin/sensorApp—Contains the sensor application.

/usr/cids/idsRoot/bin/collaborationApp—Contains the collaboration application.

/usr/cids/idsRoot/bin/switchApp—Contains the switch application.

/usr/cids/idsRoot/etc—Stores sensor configuration files.

/usr/cids/idsRoot/htdocs—Contains the IDM files for the web server.

/usr/cids/idsRoot/lib—Contains the library files for the sensor applications.

/usr/cids/idsRoot/log—Contains the log files for debugging.

/usr/cids/idsRoot/tmp—Stores the temporary files created during run time of the sensor.

Summary of Cisco IPS Applications

Table A-2gives a summary of the applications that make up the IPS.

 

 

Table A-2

Summary of Applications

 

 

 

 

 

 

 

 

Application

 

 

Description

 

 

 

 

 

 

 

AuthenticationApp

 

Authorizes and authenticates users based on IP address, password,

 

 

 

 

 

and digital certificates.

 

 

 

 

 

 

 

Attack Response Controller

 

An ARC is run on every sensor. Each ARC subscribes to network

 

 

 

 

 

access events from its local Event Store. The ARC configuration

 

 

 

 

 

contains a list of sensors and the network access devices that its local

 

 

 

 

 

ARC controls. If an ARC is configured to send network access events

 

 

 

 

 

to a master blocking sensor, it initiates a network access control

 

 

 

 

 

transaction to the remote ARC that controls the device. These

 

 

 

 

 

network access action control transactions are also used by IPS

 

 

 

 

 

managers to issue occasional network access actions.

 

 

 

 

 

 

 

 

CLI

 

 

Accepts command line input and modifies the local configuration

 

 

 

 

 

using the IDAPI.

 

 

 

 

 

 

 

CollaborationApp

 

Shares information with other devices through a global correlation

 

 

 

 

 

database to improve the combined efficacy of all the devices.

 

 

 

 

 

 

 

Control Transaction Server1

 

Accepts control transactions from a remote client, initiates a local

 

 

 

 

 

control transaction, and returns the response to the remote client.

 

 

 

 

 

 

 

Control Transaction Source2

 

Waits for control transactions directed to remote applications,

 

 

 

 

 

forwards the control transactions to the remote node, and returns the

 

 

 

 

 

response to the initiator.

 

 

 

 

 

 

 

 

 

 

 

 

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

 

 

 

 

 

 

 

 

 

OL-29168-01

 

 

 

 

A-35

 

 

 

 

 

 

 

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Cisco Systems IPS4510K9 manual Summary of Cisco IPS Applications, Application Description, Cli, Using the Idapi

IPS4510K9 specifications

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