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CCSP IPS Exam Certification Guide

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  • Description
  • Sample Content
  • Updates
  • Copyright 2006
  • Edition: 1st
  • Premium Website
  • ISBN-10: 1-58720-146-1
  • ISBN-13: 978-1-58720-146-2

Official self-study test preparation guide for the Cisco IPS exam 642-532

The official study guide helps you master all the topics on the IPS exam, including:

  • IPS concepts
  • Command-line interface (CLI) and IPS Device Manager (IDM) configuration modes
  • Basic sensor and IPS signature configuration
  • IPS signature engines
  • Sensor tuning
  • IPS event monitoring
  • Sensor maintenance
  • Verifying system configuration
  • Using the Cisco IDS Module (IDSM) and Cisco IDS Network Module
  • Capturing network traffic

CCSP IPS Exam Certification Guide is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the IPS exam. Cisco Security Test Engineer Earl Carter shares preparation hints and test-taking tips, helping you identify areas of weakness and improve your Intrusion Prevention System (IPS) knowledge. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

CCSP IPS Exam Certification Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. “Do I Know This Already” quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists and Foundation Summary materials make referencing easy and give you a quick refresher whenever you need it. Challenging chapter-ending review questions help you assess your knowledge and reinforce key concepts. The companion CD-ROM contains a powerful testing engine that allows you to focus on individual topic areas or take complete, timed exams. The assessment engine also tracks your performance and provides feedback on a module-by-module basis, presenting question-by-question remediation to the text. Well-regarded for its level of detail, assessment features, and challenging review questions and exercises, this book helps you master the concepts and techniques that will enable you to succeed on the exam the first time.

CCSP IPS Exam Certification Guide is part of a recommended learning path from Cisco Systems® that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit

 Companion CD-ROM

The CD-ROM contains an electronic copy of the book and more than 200 practice questions for the IPS exam, all available in study mode, test mode, and flash-card format.

This volume is part of the Exam Certification Guide Series from Cisco Press®. Books in this series provide officially developed exam preparation materials that offer assessment, review, and practice to help Cisco Career Certification candidates identify weaknesses, concentrate their study efforts, and enhance their confidence as exam day nears.

Online Sample Chapter

Cisco IPS Device Manager (IDM)

Downloadable Sample Chapter

Download - 2.15 MB -- Chapter 3: Cisco IPS Device Manager (IDM)

Table of Contents



Part I    Cisco IPS Overview

Chapter 1       Cisco Intrusion Prevention  System (IPS) Overview

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Cisco Intrusion Prevention Solution

Intrusion Prevention Overview

Intrusion-Prevention Terminology

IPS/IDS Triggers

Anomaly Detection

Misuse Detection

Protocol Analysis

IPS/IDS Monitoring Locations



Cisco Hybrid IPS/IDS Solution

Risk Rating

Event Severity

Signature Fidelity

Asset Value of Target

Meta-Event Generator

Inline Deep-Packet Inspection

Cisco Intrusion Prevention System Hardware

Cisco IDS 4200 Series Network Sensors

Cisco 4215 Appliance Sensor

Cisco 4235 Appliance Sensor

Cisco 4240 Diskless Appliance Sensor

Cisco 4250 Appliance Sensor

Cisco 4250XL Appliance Sensor

Cisco 4255 Diskless Appliance Sensor

Cisco IDSM-2 for Catalyst 6500

Cisco IDS Network Module for Access Routers

Router Sensor

Firewall Sensor

Inline Sensor Support

Inline Mode Versus Promiscuous Mode

Software Bypass

Auto Mode

Off Mode

On Mode

Cisco Sensor Deployment

Internet Boundaries

Extranet Boundaries

Intranet Boundaries

Remote Access Boundaries

Servers and Desktops

Sensor Deployment Considerations

Sensor Placement

Sensor Management and Monitoring Options

Number of Sensors

External Sensor Communications

Cisco Sensor Communications Protocols

Secure Shell

Transport Layer Security (TLS)/Secure Socket Layer (SSL)

Remote Data Exchange Protocol

Event Messages

IP Log Messages

Transaction Messages

Security Device Event Exchange Standard

Cisco Sensor Software Architecture


IDM Servlet

Event Server Servlet

Transaction Server Servlet

IP Log Server Servlet




Network Access Controller (NAC)



Event Store


Foundation Summary


Part II   Cisco IPS Configuration

Chapter 2       IPS Command-Line Interface

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Sensor Installation

Installing 5.0 Software via the Network

Installing 5.0 Software from a CD

Sensor Initialization

Accessing the CLI

Running the setup Command

Creating the Service Account

Manually Setting the System Clock

Changing your Password

Adding and Removing Users

Adding a Known SSH Host


Using the Sensor CLI



Tab Completion

Command Recall

Command Case Sensitivity


User Roles





CLI Command Modes

Privileged Exec

Global Configuration


Service Analysis-Engine

Service Authentication

Service Event-Action-Rules

Service Host

Service Interface

Service Logger

Service Network-Access

Service Notification

Service Signature-Definition

Service SSH-Known-Hosts

Service Trusted-Certificates

Service Web-Server

Administrative Tasks

Configuration Tasks

Foundation Summary


Chapter 3       Cisco IPS Device Manager (IDM)

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Cisco IPS Device Manager

System Requirements for IDM

Navigating IDM


Sensor Setup

Interface Configuration

Analysis Engine

Signature Definition

Event Action Rules


Simple Network Management Protocol

Auto Update






Configuring Communication Parameters Using IDM

Foundation Summary


Chapter 4       Basic Sensor Configuration

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Basic Sensor Configuration

Sensor Host Configuration Tasks

Configuring Allowed Hosts

Configuring Sensor User Accounts

Configuring the Sensor’s Time Parameters

Manually Setting the Clock

Configuring the NTP Server Settings

Configuring the Time Zone

Configuring the Summertime Settings

Configuring SSH Hosts

Interface Configuration Tasks

Enabling Monitoring Interfaces

Editing Monitoring Interface Parameters

Configuring Inline Interface Pairs

Configuring Inline Software Bypass

Configuring Traffic Flow Notifications

Analysis Engine Configuration Tasks

Foundation Summary


Chapter 5       Basic Cisco IPS Signature Configuration

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Configuring Cisco IPS Signatures

Signature Groups

Displaying Signatures by Attack

Displaying Signatures by L2/L3/L4 Protocol

Displaying Signatures by Operating System

Displaying Signatures by Signature Release

Displaying Signatures by Service

Displaying Signatures by Signature Identification

Displaying Signatures by Signature Name

Displaying Signatures by Response Action

Displaying Signatures by Signature Engine

Alarm Summary Modes

Fire Once

Fire All

Alarm Summarization

Variable Alarm Summarization

Basic Signature Configuration

Viewing NSDB Information

Signature Information

Related Threats Information

Viewing NSDB Information

Enabling Signatures

Creating New Signatures

Editing Existing Signatures

Retiring Signatures

Defining Signature Responses

Foundation Summary


Chapter 6       Cisco IPS Signature Engines

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Cisco IPS Signatures

Cisco IPS Signature Engines

Signature Parameters

Application Inspection and Control Signature Engines

AIC FTP Signature Engine Parameters

AIC HTTP Signature Engine Parameters

Content Types Parameters

Define Web Traffic Policy Parameters

Msg Body Pattern Parameters

Request Methods Parameters

Transfer Encodings Parameters

Atomic Signature Engines

Atomic ARP Engine Parameters

Atomic IP Engine Parameters

Atomic IP ICMP Parameters

Atomic IP TCP Parameters

Atomic IP UDP Parameters

Atomic IP Payload Parameters

Flood Signature Engines

Flood Host Engine Parameters

Flood Host ICMP Parameters

Flood Host UDP Parameters

Flood Net Engine Parameters

Meta Signature Engine

Normalizer Signature Engine

Service Signature Engines

Service DNS Engine Parameters

Service FTP Engine Parameters

Service Generic Engine Parameters

Service H225 Engine Parameters

Service HTTP Engine Parameters

Service Ident Engine Parameters

Service MSSQL Engine Parameters

Service NTP Engine Parameters

Service RPC Engine Parameters

Service SMB Engine Parameters

Service SNMP Engine Parameters

Service SSH Engine Parameters

State Signature Engine

Cisco Login States

LPR Format String States

SMTP States

String Signature Engines

String ICMP Engine Specific Parameters

String TCP Engine-Specific Parameters

Sweep Signature Engines

Sweep Signature Engine Parameters

Unique ICMP Sweep Parameters

Unique TCP Sweep Parameters

Sweep Other TCP Signature Engine Parameters

Trojan Horse Signature Engines

Foundation Summary


Chapter 7       Advanced Signature Configuration

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Advanced Signature Configuration

Regular Expressions String Matching

Signature Fields

Basic Signature Fields

Signature Description Fields

Engine-Specific Fields

Event Counter Fields

Alert Frequency Fields

Status Fields

Meta-Event Generator

Understanding HTTP and FTP Application Policy Enforcement

Tuning an Existing Signature

Tuning Example

Creating a Custom Signature

Choose a Signature Engine

Network Protocol

Target Address

Target Port

Attack Type

Inspection Criteria

Verify Existing Functionality

Define Signature Parameters

Test Signature Effectiveness

Custom Signature Scenario

Creating Custom Signatures Using IDM

Using IDM Custom Signature Wizard

Cloning an Existing Signature

Foundation Summary


Chapter 8       Sensor Tuning

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

IDS Evasion Techniques





Using Control Characters

Using Hex Representation

Using Unicode Representation

TTL Manipulation

Tuning the Sensor

Configuring IP Log Settings

Configuring Application Policy Settings

Configuring Reassembly Options

Fragment Reassembly

Stream Reassembly

Configuring Reassembly Options

Event Configuration

Event Variables

Target Value Rating

Event Action Override

Event Action Filters

Foundation Summary


Part III  Cisco IPS Response Configuration

Chapter 9       Cisco IPS Response Configuration

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Cisco IPS Response Overview

Inline Actions

Deny Packet Inline

Deny Connection Inline

Deny Attacker Inline

Configuring Deny Attacker Duration Parameter

Logging Actions

Log Attacker Packets

Log Pair Packets

Log Victim Packets

Manual IP Logging

IP Blocking

IP Blocking Definitions

IP Blocking Devices

Cisco Routers

Cisco Catalyst 6000 Switches

Cisco PIX Firewalls

Blocking Guidelines

Antispoofing Mechanisms

Critical Hosts

Network Topology

Entry Points

Signature Selection

Blocking Duration

Device Login Information

Interface ACL Requirements

Blocking Process

ACL Placement Considerations

External Versus Internal

ACLs Versus VACLs

Using Existing ACLs

Master Blocking Sensor

Configuring IP Blocking

Assigning a Blocking Action

Setting Blocking Properties

Setting Blocking Properties via IDM

Defining Addresses Never to Block

Setting Up Logical Devices

Defining Blocking Devices

Defining Blocking Devices Using IDM

Defining Router Blocking Devices Interfaces Using IDM

Defining Cat6K Blocking Device Interfaces Using IDM

Defining Master Blocking Sensors

Configuring a Master Blocking Sensor in IDM

Manual Blocking

Blocking Hosts

Blocking Networks

TCP Reset

Foundation Summary


Part IV Cisco IPS Event Monitoring

Chapter 10     Alarm Monitoring and Management

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

CiscoWorks 2000

Login Process

Authorization Roles

Adding Users

Security Monitor

Installing Security Monitor

 Windows Installation

Server Requirements

Client Requirements

Security Monitor User Interface

Configuration Tabs

Options Bar


Path Bar

Instruction Box

Content Area

Tools Bar

Security Monitor Configuration

Adding Devices

Adding RDEP Devices

Adding PostOffice Devices

Adding IOS Devices

Adding PIX Devices

Importing Devices

Event Notification

Adding Event Rules

Activating Event Rules

Monitoring Devices

Monitoring Connections

Monitoring Statistics

Monitoring Events

Security Monitor Event Viewer

Moving Columns

Deleting Rows and Columns

Delete from This Grid

Delete from Database

Delete Column

Collapsing Rows

Collapse > First Group

Collapse > All Rows

Expanding Rows

Expand > First Group

Expand > All Rows

Suspending and Resuming New Events

Changing Display Preferences



Sort By


Severity Indicator


Creating Graphs

By Child

By Time

Tools Pull-Down Menu Options


Trigger Packet

IP Logs



Resolving Host Names

Security Monitor Administration

Data Management

System Configuration Settings

Defining Event Viewer Preferences

Security Monitor Reports

Defining the Report

Running the Report

Viewing the Report

Foundation Summary


Part V  Cisco IPS Maintenance and Tuning

Chapter 11     Sensor Maintenance

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Sensor Maintenance

Software Updates

IPS Software File Format

Software Type

Cisco IPS Version

Service Pack Level

Signature Version


Software Update Guidelines

Upgrading Sensor Software

Saving Current Configuration

Software Installation via CLI

Software Installation Using IDM

Configuring Automatic Software Updates Using IDM

Downgrading an Image

Updating the Sensor’s License

Image Recovery

Restoring Default Sensor Configuration

Restoring Default Configuration Using the CLI

Restoring Default Configuration Using IDM

Resetting and Powering Down the Sensor

Resetting the Sensor Using the Sensor CLI

Resetting the Sensor Using IDM

Foundation Summary


Chapter 12     Verifying System Configuration

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Verifying System Configuration

Viewing Sensor Configuration

Displaying Software Version

Displaying Sensor Configuration

Displaying Sensor PEP Inventory

Viewing Sensor Statistics

Viewing Sensor Events

Viewing Events Using the CLI

Viewing Events Using IDM

Selecting Event Types

Selecting Time Frame for Events

Using the IDM Event Viewer

Debugging Sensor Operation

Verifying Interface Operation

Capturing Packets

Generating Tech-Support Output

Sensor SNMP Access

Enabling SNMP Traps by Using the Sensor CLI

Enabling SNMP Traps Using IDM

Foundation Summary


Chapter 13     Cisco IDS Module (IDSM)

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Cisco IDS Module

IDSM-2 Technical Specifications

Performance Capabilities

Catalyst 6500 Requirements

Key Features

IDSM-2 Traffic Flow

IDSM-2 Configuration

Verifying IDSM-2 Status

Initializing the IDSM-2

Accessing the IDSM-2 CLI

Logging in to the IDSM-2

Configuring the Command and Control Port

Configuring the Switch Traffic Capture Settings

IDSM-2 Ports

TCP Reset Port

Command and Control Port

Monitoring Ports

Catalyst 6500 Switch Configuration

Configuring the Command and Control Port

Setting VLANs by Using IOS

Setting VLANs by Using CatOS

Monitored Traffic

IDSM-2 Administrative Tasks

Enabling Full Memory Test

Stopping the IDS Module

Troubleshooting the IDSM-2

IDSM-2 Status LED

Catalyst 6500 Commands

show module Command

show port Command

show trunk Command

Foundation Summary


Chapter 14     Cisco IDS Network Module for†Access Routers

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

NM-CIDS Overview

NM-CIDS Key Features

NM-CIDS Specifications

NM-CIDS Front Panel

Traditional Appliance Sensor Network Architecture

NM-CIDS Network Architecture

NM-CIDS Hardware Architecture

NM-CIDS Internal Fast Ethernet Interface

NM-CIDS External Fast Ethernet Interface

Internal Universal Asynchronous Receiver/Transmitter Interface

NM-CIDS Disk, Flash, and Memory

Traffic Capture for NM-CIDS

Cisco IOS Features

Access Control Lists and NM-CIDS

Encryption and NM-CIDS

Inside NAT and NM-CIDS

Outside NAT and NM-CIDS

IP Multicast, IP Broadcast, and UDP Flooding and NM-CIDS

GRE Tunnels and NM-CIDS

Packets Not Forwarded to NM-CIDS

NM-CIDS Installation and Configuration Tasks

Installing the NM-CIDS

Inserting the NM-CIDS into a Router

Connecting the NM-CIDS to the Network

Verifying That the Router Recognizes the NM-CIDS

Verifying That Cisco IOS-IDS is Not Running

Configuring the Internal ids-sensor Interface

Verifying the NM-CIDS Slot Number

Enabling CEF

Configuring the Interface

Assigning the Clock Settings

Using the Router Time Source

Using an NTP Time Source

Configuring NM-CIDS Clock Mode

Setting Up Packet Monitoring

Logging In to NM-CIDS Console

Accessing NM-CIDS via a Session

Accessing NM-CIDS via Telnet


Performing Initial Sensor Configuration

NM-CIDS Maintenance Tasks

Reloading the NM-CIDS

Resetting the NM-CIDS

Shutting Down the NM-CIDS

Viewing the NM-CIDS Status

Recovering the NM-CIDS Software Image

Configuring the Boot Loader

Booting the Helper Image

Selecting the File Transfer Method

Installing the Application Image

Booting the Application Image

Configuring the IPS Application

Foundation Summary


Chapter 15     Capturing Network Traffic

“Do I Know This Already?” Quiz

Foundation and Supplemental Topics

Capturing Network Traffic

Capturing Traffic for Inline Mode

Capturing Traffic for Promiscuous Mode

Traffic Capture Devices

Hub Traffic Flow

Network Tap Traffic Flow

Switch Traffic Flow

Switch Capture Mechanisms

Switched Port Analyzer

Remote Switched Port Analyzer

VLAN Access Control Lists

TCP Resets and Switches

Configuring SPAN for Catalyst 4500 and 6500 Traffic Capture

The monitor session Command

Configuring RSPAN for Catalyst 4500 and 6500 Traffic Capture

Configuring VACLs for Catalyst 6500 Traffic Capture

Configure an ACL

Create a VLAN Access Map

Match ACL to Access Map

Define Action for Access Map

Apply Access Map to VLANs

Configure Capture Ports

Configuring VACLs for Traffic Capture With Cisco Catalyst 6500 IOS Firewall

Configure the Extended ACL

Apply ACL to an Interface or VLAN

Assign the Capture Port

Advanced Catalyst 6500 Traffic Capture

Configure Destination Port

Define Trunks to Capture

Assign Switch Ports to VLANs

Create the VACL

Foundation Summary


Appendix       Answers to the “Do I Know This†Already?” Quizzes and Q&A†Questions

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

Chapter 12

Chapter 13

Chapter 14

Chapter 15



Download - 2 MB -- Index


Page 316 – second paragraph should read:
Leaving this box unchecked causes the sensor to place a permit entry for the sensor’s ip address at the beginning of the dynamically crated block entries.

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