Symantec 10521148 - Network Security 7161 Implementation Manual

Symantec™ Network Security

7100 Series Implementation

Guide

2

Symantec Network Security 7100 Series

Implementation Guide

The software described in this book is furnished under a license agreement and may be used only in

accordance with the terms of the agreement.

PN: 10268962

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3

Technical support

As part of Symantec Security Response, the Symantec global Technical Support

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If the product that you are implementing requires registration and/or a license

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4

When contacting the Technical Support group, please have the following:

■ Product release level

■ Hardware information

■ Available memory, disk space, NIC information

■ Operating system

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■ Network topology

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■ Problem description

■ Error messages/log files

■ Troubleshooting performed prior to contacting Symantec

■ Recent software configuration changes and/or network changes

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■ Nontechnical pre-sales questions

■ Missing or defective CD-ROMs or manuals

SYMANTEC NETWORK SECURITY APPLIANCE (7100 SERIES)

LICENSE AND WARRANTY AGREEMENT

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material and workmanship under normal use and service and

substantially conform to the written documentation

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The warranties contained in this agreement will not apply to

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Additionally, the warranties contained in this agreement do

not apply to repair or replacement caused or necessitated by:

6

(i) events occurring after risk of loss passes to You such as loss or damage during shipment; (ii) acts of God including without

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inactions; (v) strikes or work stoppages; (vi) Your failure to follow applicable use or operations instructions or manuals; (vii) Your

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Upon discovery of any failure of the Hardware, or component thereof, to conform to the applicable warranty during the applicable

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return such repaired or replacement Appliance to You, freight and insurance prepaid. In the event that Symantec, in its sole

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for the defective Appliance. Defective Appliances returned to Symantec will become the property of Symantec.

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In order to exercise any of the warranty rights contained in this Agreement, You must have available an original sales receipt or bill

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SOME STATES AND COUNTRIES, INCLUDING MEMBER COUNTRIES OF THE EUROPEAN ECONOMIC AREA, DO NOT ALLOW THE

LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE BELOW LIMITATION OR

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IN NO CASE SHALL SYMANTEC'S OR ITS LICENSORS’ LIABILITY EXCEED THE PURCHASE PRICE FOR THE APPLIANCE. The

disclaimers and limitations set forth above will apply regardless of whether You accept the Software or the Appliance.

5. U.S. Government Restricted Rights:

RESTRICTED RIGHTS LEGEND. All Symantec products and documentation are commercial in nature. The software and software

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Consistent with 48 C.F.R. section 12.212, 48 C.F.R. section 252.227-7015, 48 C.F.R. section 227.7202 through 227.7202-4, 48 C.F.R.

section 52.227-14, and other relevant sections of the Code of Federal Regulations, as applicable, Symantec's computer software and

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20330 Stevens Creek Blvd., Cupertino, CA 95014.

6. Export Regulation:

You agree to comply strictly with all applicable export control laws, including the US Export Administration Act and its associated

regulations and acknowledge Your responsibility to obtain licenses as required to export, re-export or import the Appliance. Export

or re-export of the Appliance to Cuba, North Korea, Iran, Iraq, Libya, Syria or Sudan is prohibited.

7. General:

If You are located in North America or Latin America, this Agreement will be governed by the laws of the State of California, United

States of America. Otherwise, this Agreement will be governed by the laws of England. This Agreement and any related License

Module is the entire agreement between You and Symantec relating to the Appliance and: (i) supersedes all prior or

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over any conflicting or additional terms of any quote, order, acknowledgment or similar communications between the parties. This

Agreement may only be modified by a License Module or by a written document which has been signed by both You and Symantec.

This Agreement shall terminate upon Your breach of any term contained herein and You shall cease use of and destroy all copies of

the Software and shall return the Appliance to Symantec. The disclaimers of warranties and damages and limitations on liability

shall survive termination. Should You have any questions concerning this Agreement, or if You desire to contact Symantec for any

7

reason, please write: (i) Symantec Customer Service, 555 International Way, Springfield, OR 97477, USA, or (ii) Symantec Customer

Service Center, PO BOX 5689, Dublin 15, Ireland.

8. Excluded Software:

The Excluded Software consists of the open source code software known as Linux included with the Appliance. All Excluded

Software is licensed under the GNU General Public License, Version 2, June 1991, a copy of which is included with the user

documentation for the Appliance. The license entitles You to receive a copy of the source code for Linux only upon request at a

nominal charge. If You are interested in obtaining a copy of such source code, please contact Symantec Customer Service at one of

the above addresses for further information.

8

Contents

Chapter 1 Introduction

About the Symantec Network Security 7100 Series ......................................... 9

About the core software ..............................................................................10

About the detection architecture ..............................................................10

About the management system ................................................................. 10

About the 7100 Series models ....................................................................11

About this guide ................................................................................................... 11

About the documentation set ............................................................................ 13

About the Web sites .............................................................................................14

Verifying the materials .......................................................................................14

Chapter 2 Introducing the 7100 Series components

About the 7100 Series components ..................................................................17

About 7100 Series models ..................................................................................17

Model 7120 .................................................................................................... 18

Model 7160 .................................................................................................... 19

Model 7161 .................................................................................................... 20

About core components ...................................................................................... 21

LCD panel ...................................................................................................... 22

LED lights ......................................................................................................24

Serial port .....................................................................................................25

USB ports ...................................................................................................... 25

Compact flash adapter ................................................................................ 25

About additional components ............................................................................ 27

Removable disk drive ..................................................................................27

Dual redundant power supplies ................................................................. 28

Chapter 3 Deploying the 7100 Series

About deploying the 7100 Series ....................................................................... 29

Deployment options ............................................................................................29

Bandwidth licensing options ......................................................................30

Passive mode ................................................................................................30

In-line mode ..................................................................................................31

Blocking and alerting ..........................................................................31

In-line pairs ........................................................................................... 32

2 Contents

Deployment using in-line mode ........................................................ 33

Comparing in-line mode to passive mode ........................................ 33

Interface grouping ....................................................................................... 33

Fail-open ....................................................................................................... 35

About the In-line Bypass unit ............................................................ 35

The 2 In-line Bypass unit .................................................................... 36

The 4 In-line Bypass unit .................................................................... 36

Port groups and the management port on the bypass unit ........... 37

Online and bypass modes ................................................................... 38

Link parameters on bypass unit interfaces ..................................... 38

Front panel LEDs on the bypass unit ................................................ 39

Rear panel LEDs on the bypass unit ................................................. 40

Clustering ...................................................................................................... 41

External IDS products ................................................................................. 42

Network Security console accessibility ............................................................ 42

SESA server accessibility .................................................................................... 42

Symantec LiveUpdate accessibility .................................................................. 43

Chapter 4 Installing the 7100 Series

About installing the 7100 Series ....................................................................... 45

Rack mounting ..................................................................................................... 46

Mounting the appliance to a two-post rack ............................................. 46

Mounting the appliance to a four-post rack ............................................ 47

Cabling ................................................................................................................... 49

Cabling for model 7120 ............................................................................... 49

Connecting the management, reset, and serial ports .................... 50

Cabling for passive mode monitoring ............................................... 50

Cabling for in-line mode monitoring ................................................ 50

Cabling a bypass unit for fail-open ................................................... 51

Powering the 7120 on or off ............................................................... 54

Cabling for model 7160 ............................................................................... 54

Connecting the management, reset, and serial ports .................... 55

Cabling for passive mode monitoring ............................................... 56

Cabling for in-line mode monitoring ................................................ 56

Cabling a bypass unit for fail-open ................................................... 57

Powering the 7160 on or off ............................................................... 62

Cabling for model 7161 ............................................................................... 62

Connecting the management, reset, and serial ports .................... 63

Cabling for passive mode monitoring ............................................... 64

Cabling for in-line mode monitoring ................................................ 64

Powering the 7161 on or off ............................................................... 66

Chapter 5 Initializing Symantec Network Security

3Contents

About initializing Symantec Network Security .............................................. 67

LCD panel initial configuration ......................................................................... 68

Using the LCD panel to configure a master node ...................................69

Using the LCD panel to configure a slave node .......................................72

Serial console initial configuration .................................................................. 76

Starting a serial console ............................................................................. 77

Configuring a master node using the serial console .............................. 77

Configuring a slave node using the serial console ..................................80

Compact flash initial configuration .................................................................. 83

Default login accounts ........................................................................................84

Chapter 6 Starting the Network Security console

About the Network Security console ................................................................ 85

Network Security console requirements ..........................................................85

Console requirements on Windows ..........................................................86

Console requirements on Linux .................................................................86

Installing the console ..........................................................................................86

Installing the Java Runtime Environment ...............................................87

Installing the console on Windows ........................................................... 87

Installing the console on Linux .................................................................88

Launching the console ........................................................................................88

Using the correct administration IP address ..........................................89

Launching the console on Windows ......................................................... 89

Launching the console on Linux ................................................................ 89

Chapter 7 Licensing

About licensing .................................................................................................... 91

Bandwidth licensing options ..............................................................92

Installing licenses ................................................................................................ 92

Requesting a license file ............................................................................. 94

Determining the serial numbers ....................................................... 94

Determining the Symantec System ID ............................................. 94

Requesting the license file .................................................................. 95

Installing a license file ................................................................................ 96

Installing a license file on a master node .........................................96

Installing a license file on a slave node ............................................ 96

Checking the license status ................................................................................ 97

Adding to licenses ................................................................................................98

Understanding excessive traffic ................................................................ 98

Requesting an additive license .................................................................. 98

Installing the additive license file ............................................................. 99

Calling for help ..................................................................................................... 99

4 Contents

Chapter 8 Configuring nodes and interfaces

About configuring nodes and interfaces ........................................................101

Configuring appliance nodes ...........................................................................102

About appliance node fields .....................................................................102

Node Options tab fields .....................................................................103

Advanced Network Options tab fields ............................................104

Adding or editing an appliance node ......................................................105

Configuring appliance interfaces ....................................................................106

Configuring monitoring interfaces .........................................................107

About monitoring interface fields ...................................................107

Editing a monitoring interface ........................................................108

Configuring an in-line pair .......................................................................109

About in-line pair fields ....................................................................109

Adding or editing an in-line pair .....................................................111

Configuring an interface group ...............................................................112

About interface group fields ............................................................112

Adding or editing an interface group .............................................113

Chapter 9 Configuring detection and response

About detection and response .........................................................................115

Starting a sensor on an appliance interface ..................................................115

About protection policies .........................................................................116

Creating and applying protection policies .....................................................116

Viewing a protection policy .....................................................................117

Setting policies to interfaces ...................................................................118

Unapplying or removing policies from interfaces ...............................118

Enabling/disabling blocking on in-line pairs ........................................119

Adding a new protection policy ...............................................................119

Cloning existing protection policies .......................................................119

Modifying custom protection policies ....................................................120

Using Search Events ..................................................................................120

Setting logging or blocking on events in a policy .................................121

Deleting custom protection policies .......................................................123

About response rules .........................................................................................124

Adding response rules ..............................................................................124

Deleting response rules ............................................................................126

Chapter 10 Monitoring and reporting events and status

About monitoring and reporting events and status .....................................127

Viewing events and incidents ..........................................................................128

Viewing incident data ...............................................................................128

Viewing incident details ...........................................................................128

5Contents

Viewing event details ................................................................................129

Managing incident data ............................................................................129

Generating reports ............................................................................................129

Monitoring appliance status ............................................................................130

Viewing status on the LEDs ......................................................................130

Viewing status on the LCD screen ...........................................................131

Viewing status on the Network Security console .................................132

Node status parameters ....................................................................132

Interface status parameters .............................................................133

In-line pair status parameters .........................................................134

Interface group status parameters .................................................136

Chapter 11 Maintaining and administering the 7100 Series

About maintaining and administering the appliance ..................................137

Managing log files and backups ......................................................................138

Rotating log files with SCP .......................................................................138

Generating SSH keys .........................................................................138

Using SCP to rotate log files .............................................................139

Backing up and restoring ..........................................................................140

Backing up a configuration ..............................................................141

Restoring a configuration .................................................................141

About the compact flash ...........................................................................142

Making a non-bootable compact flash card ...........................................143

Making a non-bootable CF card on Windows ................................143

Making a non-bootable CF card on Linux ......................................143

Using the compact flash for backup and restore ..................................144

Using the compact flash for backup ...............................................145

Using the compact flash for restore ...............................................145

Saving initial configuration .....................................................................146

Saving initial configuration to compact flash ...............................146

Viewing a configuration file .....................................................................147

Using the compact flash during re-imaging and upgrading ...............148

Restarting, rebooting, and powering off ........................................................148

Stopping, starting, and restarting Symantec Network Security ........148

Stopping Network Security from the LCD .....................................149

Stopping Network Security from the serial console ....................149

Starting Network Security from the LCD .......................................150

Starting Network Security from the serial console ......................150

Restarting Network Security from the Network Security console 150

Restarting Network Security from the serial console ..................151

Rebooting the appliance ...........................................................................151

Rebooting the appliance from the Network Security console ....151

Rebooting the appliance from the LCD ..........................................151

6 Contents

Rebooting the appliance from the serial console .........................152

Powering off the appliance ......................................................................152

Powering off the appliance from the LCD ......................................152

Powering off the appliance from the serial console .....................153

Using the LCD run menu ..................................................................................154

Running commands on the LCD run menu ............................................155

Unlocking the LCD panel ..........................................................................155

Enabling or disabling LCD locking ..........................................................156

Changing the IP address ...........................................................................156

Using the serial console ....................................................................................158

About serial console commands ..............................................................158

Changing passwords ..................................................................................160

Changing the root password ............................................................160

Changing the secadm password ......................................................161

Installing the SESA bridge .......................................................................161

Preparing to use SESA ......................................................................161

Running install-bridge ......................................................................163

Uninstalling the SESA bridge ..................................................................164

Starting the SESA agent manually ..........................................................165

Stopping the SESA agent manually ........................................................165

Chapter 12 Re-imaging and unconfiguring

About re-imaging and unconfiguring .............................................................167

Unconfiguring Symantec Network Security .................................................168

Running Unconfigure in the Network Security console ......................168

Running Unconfig SNS on the LCD ........................................................169

Running unconfigure on the serial console ...........................................170

Preparing for re-imaging ..................................................................................170

Saving your configuration ........................................................................170

Creating a bootable compact flash ..........................................................171

Creating a bootable compact flash via the serial console ............171

Creating a bootable compact flash using the Imaging Server ....172

Setting up an Imaging Server ..........................................................................173

Setting up an automatic Imaging Server ...............................................173

Setting up a standard Imaging Server ....................................................174

Installing the Recovery Software CD onto the Imaging Server ..175

Connecting the Imaging Server to the appliance .................................176

Connecting the Imaging Server to a 7120 ......................................177

Connecting the Imaging Server to a 7160 ......................................177

Connecting the Imaging Server to a 7161 ......................................178

Re-imaging the appliance .................................................................................178

Upgrading the console application .................................................................181

About migration .................................................................................................181

7Contents

Appendix A Troubleshooting

About troubleshooting ......................................................................................183

Accessing troubleshooting information ........................................................183

Appendix B Specifications and safety

Product Specifications ......................................................................................185

Safety guidelines ................................................................................................186

Product certifications .......................................................................................188

Appendix C Service Manual

About the removable hard drive ......................................................................191

Removing the hard drive ..................................................................................192

Index

8 Contents

Chapter

1

Introduction

This chapter includes the following topics:

■ About the Symantec Network Security 7100 Series

■ About this guide

■ About the documentation set

■ About the Web sites

■ Verifying the materials

About the Symantec Network Security 7100 Series

Symantec Network Security 7100 Series appliances provide real-time network

intrusion prevention and detection to protect critical enterprise assets from the

threat of known, unknown (zero-day), and denial of service (DoS) attacks.

Designed to monitor multiple network segments at multi-gigabit speeds, the

7100 Series combines superior detection and prevention capabilities with

flexible deployment options and ease of installation.

Network Security 7100 Series are highly scalable, purpose built appliances that

meet a range of needs for aggregate network bandwidth from 50 Mbps to 2 Gbps

across as many as eight network segments. They provide zero-day protection

against the latest threats and automated real-time blocking of malicious

activity. With intrusion prevention and detection built into a single network

security appliance, users can easily switch between deployment modes based on

their security policy.

Network Security 7100 Series appliances reduce the total cost of implementing a

complete network security solution through:

■ Simplified and rapid deployment

■ Centralized management

10 Introduction

About the Symantec Network Security 7100 Series

■ Cohesive, streamlined security content, service, and support

About the core software

The 7100 Series appliances run Symantec Network Security 4.0 software, which

provides detection, analysis, management, storage, and response functionality.

The standard software and the appliance version utilize the core functionality in

the same way, and most procedures apply to both. In addition to the full

software functionality at its core, the appliance provides unique features, such

as in-line mode and interface grouping.

About the detection architecture

The 7100 Series appliances employ the new and innovative network threat

mitigation architecture that combines anomaly, signature, statistical, and

vulnerability detection techniques into an Intrusion Mitigation Unified Network

Engine (IMUNE). IMUNE proactively prevents and provides immunity against

malicious attacks, including:

■ Denial of service attempts

■ Intrusions and malicious code

■ Network infrastructure attacks

■ Application exploits

■ Scans and reconnaissance activities

■ Backdoors

■ Buffer overflow attempts

■ Blended threats like MS Blaster and SQL Slammer

About the management system

Symantec Network Security 7100 Series appliances are centrally managed via

the Symantec Network Security 4.0 Management Console, a powerful and

scalable security management system. The management console supports large,

distributed enterprise deployments and provides:

■ Comprehensive configuration

■ Policy management

■ Real-time threat analysis

■ Enterprise reporting

■ Flexible visualization

11Introduction

About this guide

The Network Security Management System automates the process of delivering

security and product updates to the 7100 Series appliances using Symantec Live

Update to provide real-time protection against the latest threats.

In addition, the Network Security Management System can be used to expand

the intrusion protection umbrella using the Symantec Network Security Smart

Agents to provide enterprise-wide, multi-source intrusion management by

aggregating, correlating, and responding to events from multiple Symantec and

third-party host and network security products.

About the 7100 Series models

The Symantec Network Security 7100 Series is available in three models that

provide both intrusion prevention and intrusion detection in a single appliance:

■ The 7120:

■ Monitors up to four 10/100 Base-T network segments

■ Provides a maximum bandwidth license of 200 Mbps

■ The 7160:

■ Monitors up to eight 10/100/1000 Base-T network segments

■ Provides a maximum bandwidth license of 2 Gbps

■ Provides in-line mode maximum bandwidth of 1 Gbps

■ The 7161:

■ Monitors up to four 1000 Base-SX fiber optic network segments

■ Monitors up to four 10/100/1000 Base-T network segments

■ Provides a maximum bandwidth license of 2 Gbps

■ Provides in-line mode maximum bandwidth of 1 Gbps

About this guide

This manual is intended for system managers or administrators responsible for

administering the Symantec Network Security 7100 Series, and is organized as

follows:

Table 1-1 Implementation Guide structure

Chapter Title Content

Chapter 2 Introducing the 7100 Series

components

Describes the externally visible hardware

components in each model of the

Symantec Network Security 7100 Series.

12 Introduction

About this guide

Chapter 3 Deploying the 7100 Series Discusses what to consider when deciding

how best to deploy the 7100 Series.

Chapter 4 Installing the 7100 Series Describes how to physically install the

appliance, including rack-mounting,

cabling, and connecting to an In-line

Bypass unit for fail-open.

Chapter 5 Initializing Symantec Network

Security

Describes the initial configuration

procedures using LCD, serial console, and

compact flash.

Chapter 6 Starting the Network Security

console

Describes how to install and launch the

Symantec Network Security console.

Chapter 7 Licensing Describes licensing options and how to

install a license, check license status, and

renew or add bandwidth to a license.

Chapter 8 Configuring nodes and

interfaces

Describes how to add and edit 7100 Series

nodes and interfaces, including in-line

pairs and interface groups.

Chapter 9 Configuring detection and

response

Describes how to start sensors by

configuring and applying protection

policies. Also describes how to add and

edit response rules.

Chapter 10 Monitoring and reporting

events and status

Describes how to view incidents and

events, and how to generate reports.

Describes several methods of monitoring

status.

Chapter 11 Maintaining and administering

the 7100 Series

Describes maintenance and

administration tasks, including backup

and restore, restarting software and

hardware, using the LCD run menu, and

using the serial console. Includes a

section on setting up SESA.

Chapter 12 Re-imaging and unconfiguring Describes how to unconfigure Symantec

Network Security and how to re-image the

appliance. Discusses upgrading the

Network Security console. Discusses

migration from an existing Symantec

supported IDS platform to the Symantec

Network Security 7100 Series.

Table 1-1 Implementation Guide structure

Chapter Title Content

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