CCNP Security IPS 642-627 Official Cert Guide

David Burns has in-depth knowledge of routing and switching technologies, network security, and mobility. He is currently a systems engineering manager for Cisco, covering various U.S. Service Provider accounts. Dave joined Cisco in July 2008 as a lead systems engineer in a number of areas that include Femtocell, Datacenter, MTSO, and Security Architectures, working for a U.S.-based SP Mobility account. He came to Cisco from a large U.S.-based cable company, where he was a senior network and security design engineer. Dave has held various roles prior to joining Cisco during his ten-plus years in the industry, working in SP operations, SP engineering, SP architecture, enterprise IT, and also U.S. military intelligence communications engineering. He holds various sales and industry/Cisco technical certifications, including the CISSP, CCSP, and CCDP, as well as two associate-level certifications. Dave recently passed the CCIE Security Written and is currently preparing for the CCIE Security Lab. Dave is a big advocate of knowledge transfer and sharing and has a passion for network technologies, especially as they relate to network security. Dave has been a speaker at Cisco Live on topics including Femtocell (IP Mobility) and IPS (Security). Dave earned his bachelor of science degree in telecommunications engineering technology from Southern Polytechnic State University, Georgia, where he currently serves as a member of the Industry Advisory Board for the Computer & Electrical Engineering Technology School.   Odunayo Adesina, CCIE No. 26695 (Routing and Switching), is a systems engineer with Cisco in the U.S. commercial segment. In this role for over four years, Odunayo has worked with commercial customers in St. Louis, Missouri, to help develop their enterprise network architectures, which are typically a combination of borderless, collaboration, and virtualization solutions. He has more than 12 years of experience in the industry and holds various industry and Cisco certifications, including the CISSP No. 54152, CCSP, CEH, and VSP. He was one of the first few people who were CSS1 certified when the Cisco security certification was first developed. Prior to his role at Cisco, Odunayo worked with a large service provider as a network engineer, implementing and managing security, routing, and switching solutions, and later as a security specialist, driving ISO 27001 compliance, developing and enforcing security policies for the enterprise. He also worked with Cisco partners, where he implemented solutions across many industry verticals. Odunayo holds a bachelor of technology degree in electronics and electrical engineering from Ladoke Akintola University of Technology.   Keith Barker, CCIE No. 6783 R/S & Security, is a 27-year veteran of the networking industry. He currently works as a network engineer and trainer for Nova Datacom. His past experience includes EDS, Blue Cross, Paramount Pictures, and KnowledgeNET, and he has delivered CCIE-level training over the past several years. He is CISSP and CCSI certified, loves to teach, and keeps many of his video tutorials at http://www.youtube.com/keith6783. He can be reached at KBarker@NovaDatacom.com or by visiting http://www.NovaDatacom.com.

Introduction xxviii

Part I Introduction to Intrusion Prevention and Detection, Cisco IPS Software, and Supporting Devices 3

Chapter 1 Intrusion Prevention and Intrusion Detection Systems 5

“Do I Know This Already?” Quiz 5

Foundation Topics 8

Intrusion Prevention Overview 8

Intrusion Detection Versus Intrusion Prevention 8

Intrusion Prevention Terminology 9

Intrusion Prevention Systems 12

    Features of Network Intrusion Prevention Systems 13

    Limitations of Network Intrusion Prevention Systems 14

Network Intrusion Prevention Approaches 14

Endpoint Security Controls 16

    Host-Based Firewalls 17

    API and System Call Interception 17

    Cisco Security Agent 17

    Antimalware Agents 18

    Data Loss Prevention Agents 19

    Cryptographic Data Protection 19

A Systems Approach to Security 20

Exam Preparation Tasks 21

Review All the Key Topics 21

Complete the Tables and Lists from Memory 21

Define Key Terms 21

Chapter 2 Cisco IPS Software, Hardware, and Supporting Applications 23

Overview 23

“Do I Know This Already?” Quiz 23

Foundation Topics 26

Cisco IPS Network Sensors 26

Cisco IPS 4200 Series Sensors 27

    Cisco IPS 4240 Sensor 28

    Cisco IPS 4255 Sensor 29

    Cisco IPS 4260 Sensor 30

    Cisco IPS 4270 Sensor 32

    Sensing Interface Details 33

        10GE Interface Card 33

        4GE Bypass Interface Card 33

        2SX Interface Card 34

    Cisco ASA AIP SSM and AIP SSC-5 Modules 34

    Cisco Catalyst 6500 Series IDSM-2 Module 35

    Cisco AIM-IPS and NME-IPS Supported on Cisco ISR Routers 36

Cisco IPS Software Architecture 38

Cisco IPS Management Products 41

    Cisco IPS Device Manager 42

    Cisco IPS Manager Express 42

    Cisco Security Manager 43

    Cisco Security MARS 43

Cisco Security Intelligence Operations and Cisco Security IntelliShield Alert Manager Service 45

    Cisco Security IntelliShield Alert Manager Service 47

Summary 48

References 48

Exam Preparation Tasks 49

Review All the Key Topics 49

Definitions of Key Terms 49

Chapter 3 Network IPS Traffic Analysis Methods, Evasion Possibilities, and Anti-evasive Countermeasures 51

Overview 51

“Do I Know This Already?” Quiz 51

Foundation Topics 54

Network IPS Traffic Analysis Methods 54

    Stateful Content Matching 54

    Protocol Decoding 55

    Traffic Correlation 55

    Rate Analysis 55

    Packet Header Matching 56

    Packet Content Matching 56

    Statistical Modeling 57

    Event Correlation 57

Network IPS Evasion Techniques 57

    Encryption and Tunneling 58

    Timing Attacks 58

    Resource Exhaustion 58

    Traffic Fragmentation 59

    Protocol-Level Misinterpretation 59

    Traffic Substitution and Insertion 60

Summary 63

References 63

Exam Preparation Tasks 64

Review All the Key Topics 64

Complete the Tables and Lists from Memory 64

Definitions of Key Terms 64

Chapter 4 Network IPS and IDS Deployment Architecture 67

Overview 67

“Do I Know This Already?” Quiz 67

Foundation Topics 70

Sensor Deployment Considerations 70

    Security Considerations 70

    Prevention Mode Versus Detection Mode 70

    Performance Considerations 71

    Virtualization Requirements 72

Network IPS Implementation Guidelines 72

    Enterprise or Provider Internet Edge 73

    Wide-Area Network 75

    Implementing an IPS in Data Centers 78

    Centralized Campus 79

Design and Implementation Resources 81

Summary 81

Exam Preparation Tasks 82

Review All the Key Topics 82

Definitions of Key Terms 82

Part II Installing and Maintaining Cisco IPS Sensors 85

Chapter 5 Integrating the Cisco IPS Sensor into a Network 87

Overview 87

“Do I Know This Already?” Quiz 87

Foundation Topics 90

Sensor Deployment Modes 90

    Deploying Sensors in Promiscuous Mode 90

    Deploying Sensors in Inline Interface Pair Mode 100

    Deploying Sensors in Inline VLAN Pair Mode 102

    Deploying Sensors in Inline VLAN Group Mode 103

    Deploying Sensors in Selective Inline Analysis Mode 105

Design and Implementation Resources 107

Summary 107

Exam Preparation Tasks 108

Review All the Key Topics 108

Definitions of Key Terms 108

Chapter 6 Performing the Cisco IPS Sensor Initial Setup 111

Overview 111

“Do I Know This Already?” Quiz 111

Foundation Topics 114

Accessing and Using the Cisco IPS Sensor CLI 114

    IPS Modules 114

    Command-Line Interface Features 116

    Command-Line Interface Uses 119

    Command-Line Interface Modes 119

Initializing the Cisco IPS Sensor 123

Introducing and Configuring Cisco IPS Device Manager 126

Deploying and Configuring Cisco IPS Sensor Interfaces 130

    Creating Promiscuous Interfaces 132

    Creating Inline Interface Pairs 133

    Creating Inline VLAN Pairs 133

    Creating Inline VLAN Groups 133

    Configuring a CDP Policy 134

    Configuring Traffic Flow Notifications 134

    Configuring Sensor Bypass 135

Troubleshooting the Initial Cisco IPS Sensor Configuration 136

Troubleshooting the Cisco IPS Sensor Hardware 138

Restoring the Cisco IPS Sensor Default Settings 138

Summary 138

References 139

Exam Preparation Tasks 140

Review All the Key Topics 140

Definitions of Key Terms 140

Chapter 7 Managing Cisco IPS Devices 143

Overview 143

“Do I Know This Already?” Quiz 143

Foundation Topics 146

Managing Basic IPS Sensor Device Features 146

    Reconfiguring Basic Network Settings 146

    Configuring Time and Time Zone 147

    Scheduling Sensor Reboots 150

    Viewing the Local Sensor Events Log 150

Managing Users and Remote Management Channels 151

    Sensor Local User Accounts 151

    Managing the Sensor’s Authentication Credentials 153

    Managing Remote Management Access Rules 154

Managing Cisco IPS Licensing 155

Upgrading and Recovering Cisco IPS Sensor Software 157

Updating Cisco IPS Signatures 160

Recovering System Passwords 162

Monitoring Cisco IPS Sensor Health and Performance 163

    Displaying and Troubleshooting the Sensor 163

    Monitoring Sensor Health and Performance 165

Summary 167

References 168

Exam Preparation Tasks 169

Review All the Key Topics 169

Definitions of Key Terms 169

Part III Applying Cisco IPS Security Policies 171

Chapter 8 Configuring Basic Traffic Analysis 173

Overview 173

“Do I Know This Already?” Quiz 173

Foundation Topics 176

Configuring the Default Virtual Sensor 176

    Assigning and Verifying Traffic Sources to the Default Virtual Sensor 176

Understanding Cisco IPS Sensor Inline Traffic Normalization 177

    Clearing Flow States 177

Configuring Cisco IPS Sensor Promiscuous Mode Traffic

    Reassembly Options 179

    IP Fragment Reassembly 179

    TCP Stream Reassembly 180

Configuring TCP Session Tracking 181

Understanding IPv6 Support in Cisco IPS Sensors 182

Selecting and Configuring Cisco IPS Sensor Bypass 183

Summary 184

References 185

Exam Preparation Tasks 186

Review All the Key Topics 186

Definitions of Key Terms 186

Chapter 9 Implementing Cisco IPS Signatures and Responses 189

Overview 189

“Do I Know This Already?” Quiz 189

Foundation Topics 192

Cisco IPS Signatures 192

    Signature Engines 193

    Alerts 193

Configuring Basic Signature Properties 197

    Enabling and Disabling Signatures 200

    Retiring and Activating Signatures 200

Configuring Signature Actions 201

    Signature Detective Actions 201

    SNMP Traps 202

    Signature Preventive Actions 202

    Managing Denied Attackers 205

    Detective Signature Action Implementation Guidelines 205

    Preventive Signature Action Implementation Guidelines 206

Configuring Remote Blocking 207

    Using ACLs on a Router 207

    Configuration Tasks 208

Configuring Packet Capture and IP Logging 214

    Downloading, Saving, and Stopping IP Logs 218

Understanding Threat and Risk Management 219

Risk Rating Calculation 221

Threat Rating 221

Understanding and Configuring Event Action Overrides 223

Using Event Action Filters 226

Choosing an Action Configuration Strategy 228

Examining Alerts in IPS Event Logs 229

    Viewing Events in the Cisco IDM 232

Summary 233

References 234

Exam Preparation Tasks 235

Review All the Key Topics 235

Complete the Tables and Lists from Memory 235

Definitions of Key Terms 235

Chapter 10 Configuring Cisco IPS Signature Engines and the Signature Database 237

Overview 237

“Do I Know This Already?” Quiz 237

Foundation Topics 239

Using Cisco IPS Signature Engines and Configuring Common

    Signature Engine Parameters 239

    Signature and Signature Engines 239

    Trigger Counting 243

    Summary Key 244

    Alarm Summarization 244

    Dynamic Alarm Summarization 244

Deploying ATOMIC Signature Engines 245

    ATOMIC IP Signature Example 245

    Implementation Guidelines for ATOMIC Signature Engines 246

Deploying STRING Signature Engines 246

    STRING TCP Signature Example 246

    Implementation Guidelines for STRING Signature Engines 247

Deploying SERVICE Signature Engines 247

    SERVICE HTTP Signature Example 248

    Implementation Guidelines for SERVICE Signature Engines 248

Deploying FLOOD Signature Engines 249

    FLOOD Signature Example 249

    Implementation Guidelines for FLOOD Signature Engines 249

Deploying SWEEP Signature Engines 250

    SWEEP Signature Example 250

    Implementation Guidelines for SWEEP Signature Engines 250

Deploying the META Signature Engine 251

    META Correlation Example 251

    Implementation Guidelines for META Signature Engines 251

Deploying the NORMALIZER Engine 252

    NORMALIZER Engine Example 252

    Implementation Guidelines for the NORMALIZER Engine 252

Deploying Other Engines 253

    AIC Signature Engine Example 253

    Implementation Guidelines for AIC Engines 253

Summary 254

References 254

Exam Preparation Tasks 255

Review All the Key Topics 255

Complete the Tables and Lists from Memory 255

Definitions of Key Terms 255

Chapter 11 Deploying Anomaly-Based Operation 257

Overview 257

“Do I Know This Already?” Quiz 257

Foundation Topics 259

Anomaly Detection Overview 259

    Scanning Worm Details 259

Anomaly Detection Components 260

    Histograms 261

    Zones 261

    Learning 261

    Signatures Related to Anomaly Detection 262

Configuring Anomaly Detection 262

    Default Anomaly Detection Policy ad0 262

Verifying Anomaly Detection 271

    Verifying Anomaly Detection at the Command Line 273

    Troubleshooting Anomaly Detection 274

Summary 275

References 275

Exam Preparation Tasks 276

Review All the Key Topics 276

Definitions of Key Terms 276

Part IV Adapting Traffic Analysis and Response to the Environment 279

Chapter 12 Customizing Traffic Analysis 281

Overview 281

“Do I Know This Already?” Quiz 281

Foundation Topics 283

Understanding Custom Signatures 283

    Creating Custom Signature Guidelines 283

    Selecting Criteria to Match 284

    Regular Expressions 284

Using the Custom Signature Wizard 285

    Signature Wizard, Specifying the Engine 286

    Verifying the Custom Signature 293

    Signature Wizard, Without Specifying the Engine 297

Creating Custom Signatures, Without the Wizard 306

Summary 308

References 308

Exam Preparation Tasks 309

Review All the Key Topics 309

Definitions of Key Terms 309

Chapter 13 Managing False Positives and False Negatives 311

Overview 311

“Do I Know This Already?” Quiz 311

Foundation Topics 313

Identifying False Positives and False Negatives 313

    False Positives 313

    False Negatives 313

    Tuning Consequences 314

    Tuning Process Prioritization 314

Tuning to Reduce False Positives 314

    Do No Harm, Initially 315

    Learning About the Signatures and Why They Triggered a False Positive 316

    Selecting and Verifying Signatures and Rules in Place 316

    Removing All Aggressive Actions 317

    Adding Verbose Alerts and Logging 319

    Using the Alert Data and Logging to Tune Out False Positives 322

    Tuning the Signatures Based on Your Network 327

    Removing the Preliminary Overrides and Filters 328

Tuning the Sensor to Reduce False Negatives 329

    Tuning a Specific Signature 330

    Promiscuous Mode IP Reassembly 331

    TCP Reassembly Mode 333

    Normalizer Tuning 334

    Application-Layer Decoding and Deobfuscation 335

    Encrypted Traffic 335

Summary 336

References 336

Exam Preparation Tasks 337

Review All the Key Topics 337

Definitions of Key Terms 337

Chapter 14 Improving Alarm and Response Quality 339

Overview 339

“Do I Know This Already?” Quiz 339

Foundation Topics 341

Identifying and Adjusting Risk-Rating Components 341

    Formula for Risk Rating 341

    Using Attack Severity and Signature Fidelity Ratings 342

    Target Value Ratings 343

    Attack Relevancy Rating 345

    Watch List Rating 346

Operating System Fingerprinting 346

Global Correlation and Reputation-Based Filtering 351

    Reputation Filters 351

    Global Correlation 351

Summary 355

References 355

Exam Preparation Tasks 356

Review All the Key Topics 356

Definitions of Key Terms 356

Part V Managing and Analyzing Events 359

Chapter 15 Installing and Integrating Cisco IPS Manager Express with Cisco IPS Sensors 361

Overview 361

“Do I Know This Already?” Quiz 361

Foundation Topics 364

Cisco IPS Manager Express Overview 364

    Cisco IME Versus Cisco IDM 365

Installing Cisco IPS Manager Express 366

Installing Cisco IME 367

Integrating Cisco IPS Manager Express with Cisco IPS Sensors 370

Tuning the Cisco IPS Sensor 374

Using and Customizing the Cisco IPS Manager Express User Interface 376

Customizing Cisco IME: Dashboards 378

Adding Gadgets 380

Customizing Cisco IME: Cisco Security Center 382

Summary 385

References 386

Exam Preparation Tasks 387

Review All the Key Topics 387

Complete the Tables and Lists from Memory 387

Definitions of Key Terms 387

Chapter 16 Managing and Investigating Events Using Cisco IPS Manager Express 389

Overview 389

“Do I Know This Already?” Quiz 389

Foundation Topics 391

Managing IPS Events Using Cisco IPS Manager Express 391

    Event Monitoring Views 391

    Creating and Customizing Event Views 393

    View Settings 393

    Customizing Event Views 395

    Tuning and Creating IME Filters from the Event Display 398

    Saving and Deleting Events 400

Investigating IPS Events Using Cisco IPS Manager Express 401

Acting on IPS Events Using Cisco IPS Manager Express 405

Exporting, Importing, and Archiving Events 408

Summary 409

Exam Preparation Tasks 410

Review All the Key Topics 410

Complete the Tables and Lists from Memory 410

Definitions of Key Terms 410

Chapter 17 Using Cisco IPS Manager Express Correlation, Reporting, Notification, and Archiving 413

Overview 413

“Do I Know This Already?” Quiz 413

Foundation Topics 415

Configuring Event Reporting in Cisco IME 415

    IME Reporting 415

    Configuring and Generating Reports 416

    Event Dashboards 417

Using Notifications in Cisco IME 418

Summary 420

References 420

Exam Preparation Tasks 421

Review All the Key Topics 421

Complete the Tables and Lists from Memory 421

Definitions of Key Terms 421

Chapter 18 Integrating Cisco IPS with CSM and Cisco Security MARS 423

Overview 423

“Do I Know This Already?” Quiz 423

Foundation Topics 425

Configuring Integration with Cisco Security Manager 425

    Cisco Security Manager 4.0 Features and Benefits 425

    Managing Cisco IPS Sensors Using Cisco Security Manager 428

    Adding Sensors to Cisco Security Manager 429

Configuring Integration with Cisco Security MARS 431

    Add a Cisco IPS Sensor to MARS 432

    Event Feed Verification 434

    Cisco Security Manager (CSM) and MARS Cross-Launch Capability 435

Summary 436

References 437

Exam Preparation Tasks 438

Review All the Key Topics 438

Complete the Tables and Lists from Memory 438

Definitions of Key Terms 438

Chapter 19 Using the Cisco IntelliShield Database and Services 441

Overview 441

“Do I Know This Already?” Quiz 441

Foundation Topics 443

Using Cisco Security Intelligence Operations 443

    Security Alerts 444

    Threat Analysis and Reporting 445

    Resources 446

    Products and Services Updates 448

    IPS Threat Defense Bulletin 448

Using Cisco IntelliShield Alert Manager Service 449

    Home Page 451

    Alerts 452

    IPS Signatures 454

    Inbox 455

    Product Sets 456

    New Product Sets 458

    Notifications 459

    Reports 460

    Preferences 461

    Users 461

    Groups 461

    IntelliShield Alert Manager Service Subscription 461

Summary 461

References 462

Exam Preparation Tasks 463

Review All the Key Topics 463

Complete the Tables and Lists from Memory 463

Definitions of Key Terms 463

Part VI Deploying Virtualization, High Availability, and High-Performance Solutions 465

Chapter 20 Using Cisco IPS Virtual Sensors 467

Overview 467

“Do I Know This Already?” Quiz 467

Foundation Topics 469

Sensor Virtualization Overview 469

    Virtual IPS 469

Adding, Editing, and Configuring Virtual Sensors 470

Verifying Virtual Sensor Operation 475

Summary 478

References 478

Exam Preparation Tasks 479

Review All the Key Topics 479

Complete the Tables and Lists from Memory 479

Definitions of Key Terms 479

Chapter 21 Deploying Cisco IPS for High Availability and High Performance 481

Overview 481

“Do I Know This Already?” Quiz 481

Foundation Topics 483

High-Availability Solutions for Cisco IPS Deployments 483

Switching-Based Sensor High Availability 484

    EtherChannel-Based High Availability 485

        Inline Mode Redundant IPS Sensor Deployment Using a Single Switch 486

        Promiscuous Mode Redundant IPS Sensor Deployment Using a Single Switch 486

    EtherChannel-Based High-Availability Implementation Guidelines 486

    STP-Based High Availability 487

    STP-Based High-Availability Implementation Guidelines 487

Routing-Based Sensor High Availability 488

    Routing-Based Sensor High-Availability Implementation Guidelines 488

Cisco ASA-Based Sensor High Availability 489

    Cisco ASA—Based Sensor High-Availability Implementation Guidelines 490

Cisco IPS Sensor Performance Overview 491

    Performance Issues 491

    Detecting Performance Issues 492

    Configuring Traffic Flow Notifications 492

    Inspecting Performance-Related Gadgets 493

    Checking Switch SPAN Interfaces for Dropped Packets 495

    Scaling SPAN Sessions 496

Increasing Performance Using Load Sharing 497

    ECLB with Cisco Catalyst 6500 Series Switch and IDSM-2 497

    Guidelines for Increasing Performance Using Load-Sharing Implementation 497

Increasing Performance Using Traffic Reduction 498

    Cisco ASA IPS Modules–Inline Operation 498

    Cisco ASA IPS Modules–Promiscuous Operation 498

    Cisco Catalyst Switches–VACL Capture 498

Summary 499

References 499

Exam Preparation Tasks 500

Review All the Key Topics 500

Complete the Tables and Lists from Memory 500

Definitions of Key Terms 500

Part VII Configuring and Maintaining Specific Cisco IPS Hardware 503

Chapter 22 Configuring and Maintaining the Cisco ASA AIP SSM Modules 505

Overview 505

“Do I Know This Already?” Quiz 505

Foundation Topics 508

Overview of the Cisco ASA AIP SSM and AIP SSC Modules 508

    Inline Operation 510

    Promiscuous Operation 510

    Single-Mode Cisco ASA with Multiple Virtual Sensors 511

    Cisco ASA with Security Contexts and Virtual Sensors 512

    Deployment Guidelines–ASA AIP SSM and SSC 512

Initializing the Cisco ASA AIP SSM and AIP SSC Modules 512

    Initial Configuration of the AIP SSM and AIP SSC 514

    Software Update of the AIP SSM and AIP SSC 516

    Basic Configuration of the AIP SSM and AIP SSC 520

    Access the AIP SSM and AIP SSC Through the Cisco IDM or ASDM 523

Redirecting Traffic to the Cisco ASA AIP SSM and AIP SSC Modules 525

    Traffic Redirection Policy Configuration Using the Cisco ASDM 526

    Traffic Redirection Policy Configuration Using the CLI 529

Troubleshooting the Cisco ASA AIP SSM and AIP SSC Modules 530

Summary 531

References 531

Exam Preparation Tasks 532

Review All the Key Topics 532

Complete the Tables and Lists from Memory 532

Definitions of Key Terms 532

Chapter 23 Configuring and Maintaining the Cisco ISR AIM-IPS and NME-IPS Modules 535

Overview 535

“Do I Know This Already?” Quiz 535

Foundation Topics 538

Overview of the Cisco ISR AIM-IPS and NME-IPS Modules 538

    Inline Operation 540

    Promiscuous Operation 540

    AIM-IPS and Router Communication 541

    NME-IPS and Router Communication 542

Initializing the Cisco ISR AIM-IPS and NME-IPS 543

    Initial Configuration of the AIM-IPS and NME-IPS 545

Redirecting Traffic to the Cisco AIM-IPS and NME-IPS 546

Troubleshooting the Cisco AIM-IPS and NME-IPS 547

    Heartbeat Operation 547

    Rebooting, Resetting, and Shutdown Procedures 548

    Password Recovery Procedure 549

    IPS Module Interoperability 550

Summary 550

References 551

Exam Preparation Tasks 552

Review All the Key Topics 552

Complete the Tables and Lists from Memory 552

Definitions of Key Terms 552

Chapter 24 Configuring and Maintaining the Cisco IDSM-2 555

Overview 555

“Do I Know This Already?” Quiz 555

Foundation Topics 557

Overview of the Cisco IDSM-2 557

    Inline Operation 560

    Promiscuous Operation 561

Initializing the Cisco IDSM-2 562

    Installing the Cisco IDSM-2 562

    Initial Configuration of the Cisco IDSM-2 564

    Command and Control Access for the Cisco IDSM-2 568

    Redirecting Traffic to the Cisco IDSM-2 568

Maintaining the Cisco IDSM-2 572

    Upgrade Procedure 572

    Recovery Procedure 572

    Upgrading the Application Partition 572

    Re-imaging the Maintenance Partition 577

Troubleshooting the Cisco IDSM-2 577

    Password Recovery 577

Summary 578

References 579

Exam Preparation Tasks 580

Review All the Key Topics 580

Complete the Tables and Lists from Memory 580

Definitions of Key Terms 580

Part VIII Final Exam Preparation 583

Chapter 25 Final Preparation 585

Tools for Final Preparation 585

    Pearson Cert Practice Test Engine and Questions on the CD 585

    Install the Software from the CD 586

    Activate and Download the Practice Exam 586

    Activating Other Exams 587

    Premium Edition 587

    Cisco Learning Network 587

    Memory Tables 588

    Chapter-Ending Review Tools 588

Suggested Plan for Final Review/Study 588

    Step 1: Review the Key Topics and the “Do I Know This Already?” Questions from the Beginning of the Chapter 589

    Step 2: Complete the Memory Tables 589

    Step 3: Do Hands-On Practice 589

    Step 4: Build Configuration Checklists 590

    Step 5: Use the Exam Engine 590

Summary 591

Part IX Appendixes

Appendix A Answers to the “Do I Know This Already?” Quizzes 595

Appendix B CCNP Security IPS 642-627 Exam Updates, Version 1.0 609

Glossary 613

Index 619

Appendix C Memory Tables (CD Only)

Appendix D Memory Tables Answer Key (CD Only)

 

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