Juniper SECURITY THREAT RESPONSE MANAGER - SOFTWARE INSTALLATION REV... Manual de usuario

Juniper Networks, Inc.

1194 North Mathilda Avenue

Sunnyvale, CA 94089

USA

408-745-2000

www.juniper.net

Part Number: 530-025619-01, Revision 1

Security Threat Response Manager

STRM Software Installation Guide

Release 2008.2

2

Networks Inc. in the United States and other countries. All other trademarks, service marks, registered trademarks, or registered service marks in this

document are the property of Juniper Networks or their respective owners. All specifications are subject to change without notice. Juniper Networks

assumes no responsibility for any inaccuracies in this document or for any obligation to update information in this document. Juniper Networks reserves

the right to change, modify, transfer, or otherwise revise this publication without notice.

FCC Statement

The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A

digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the

equipment is operated in a commercial environment. The equipment generates, uses, and can radiate radio-frequency energy and, if not installed and

used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential

area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense. The following

information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it

is not installed in accordance with NetScreen’s installation instructions, it may cause interferencewith radio and television reception. This equipment has

been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These

specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that

interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Consult the dealer or an experienced radio/TV

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Caution: Changes or modifications to this product could void the user's warranty and authority to operate this device.

Disclaimer

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET

THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE

SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR JUNIPER NETWORKS REPRESENTATIVE FOR A COPY.

STRM Installation Guide

Release 2008.2

Revision History

June 2008—Revision 1

The information in this document is current as of the date listed in the revision history.

CONTENTS

ABOUT THIS GUIDE

Conventions 3

Technical Documentation 3

Documentation Feedback 3

Requesting Support 4

1PREPARING FOR YOUR INSTALLATION

Deploying STRM 6

Additional Hardware Requirements 7

Additional Software Requirements 7

Browser Support 7

Preparing Your Network Hierarchy 7

Identifying Network Settings 8

Identifying Security Monitoring Devices and Flow Data Sources 9

Identifying Network Assets 10

2INSTALLING STRM

Setting Up Appliances 13

Installing STRM Using Red Hat Enterprise 4.6 18

Installing Japanese Support 23

Accessing STRM 24

ASETTING UPRED HAT ENTERPRISE

Before You Begin 25

Configuring Network Parameters 26

Configuring Firewall Configuration 26

Configuring Disk Partitions 26

Installing Red Hat Enterprise 4

Update 6 27

Customizing Red Hat Upgrades 28

INDEX

STRM Installation Guide

ABOUT THIS GUIDE

The STRM Installation Guide provides you with information on setting up STRM.

This guide assumes a working knowledge of networking and Linux systems.

Conventions Table 1 lists conventions that are used throughout this guide.

Technical

Documentation You can access technical documentation, technical notes, and release notes

directly from the Juniper networks Support Web site at

http://www.juniper.net/support/.

Documentation

Feedback We encourage you to provide feedback, comments, and suggestions so that we

can improve the documentation. Send your comments to

techpubs-comments@juniper.net, or fill out the documentation feedback form at

http://www.juniper.net/techpubs/docbug/docbugreport.html. If you are using e-mail, be

sure to include the following information with your comments:

•Document name

•Document part number

•Page number

•Software release version

Table 1 Icons

Icon Type Description

Information note Information that describes important features or

instructions.

Caution Information that alerts you to potential loss of

data or potential damage to an application,

system, device, or network.

Warning Information that alerts you to potential personal

injury.

STRM Installation Guide

4ABOUT THIS GUIDE

Requesting

Support • Open a support case using the Case Management link at

http://www.juniper.net/support/ or call 1-888-314-JTAC (from the United States,

Canada, or Mexico) or 1-408-745-9500 (from elsewhere).

STRM Installation Guide

1PREPARING FOR YOUR

INSTALLATION

This chapter provides information for when planning your STRM deployment

including:

•Deploying STRM

•Additional Hardware Requirements

•Additional Software Requirements

•Browser Support

•Preparing Your Network Hierarchy

•Identifying Network Settings

•Identifying Security Monitoring Devices and Flow Data Sources

•Identifying Network Assets

Your STRM deployment may consist of STRM installed on one or multiple

systems. You can use the STRM three-tier architecture to install any or all

components on a single server for small enterprises or distributed across multiple

servers for maximum performance and scalability in large enterprise

environments.

To ensure a successful STRM deployment, adhere to the recommendations in this

document.

STRM Installation Guide

6PREPARING FOR YOUR INSTALLATION

Deploying STRM You can deploy STRM using STRM appliances or STRM software installed on your

own hardware. This section provides information on deploying STRM including:

•STRM Components

A STRM appliance includes STRM software and a CentOS-4 operating system.

For further information on STRM appliances, see the Hardware Installation Guide.

STRM Components STRM components that may exist in your deployment include:

Note: For more information on each STRM component, see the STRM

Administration Guide.

•Flow Collector - Passively collects traffic flows from your network through span

ports or network taps. The Flow Collector also supports the collection of

external flow-based data sources, such as NetFlow. You can install a Flow

Collector on your own hardware or use one of the QFlow appliances.

•Flow Processor - Normalizes flows sent from one or more Flow Collector(s) by

consolidating, aggregating, and removing duplicate flows. The Flow Collector

can also create superflows (aggregate flows) before the flows reach the

Classification Engine.

•Classification Engine - Analyzes flows to classify and identify all traffic in the

enterprise network into multiple objects.

•Console - Provides the interface for STRM. The Console provides real time

views, reports, alerts, and in-depth flow views of network traffic and security

threats. This Console is also used to manage distributed STRM deployments.

The Console is accessed from a standard web browser. When you access the

system, a prompt appears for a user name and password, which must be

configured during the installation process. You must also have Java installed.

For information on software requirements, see Additional Software

Requirements.

•Update Daemon - Stores the database and TopN data. Typically, the Update

Daemon is installed on the Console.

•Flow Writer - Stores the flow and asset profile data.

•Offense Resolution - Offense Resolution is a module that provides

enterprise-wide intrusion prevention for your network and includes Resolvers,

Resolutions and Resolver Agents.

•Event Collector - The Event Collector gathers events from local and remote

device sources. The Event Collector normalizes events and sends the

information to the Event Processor. Before being sent to the Event Processor,

the Event Collector bundles identical events to conserve system usage. During

this process, Magistrate risk factors map the events to the STRM Identification

System, and creates the bundles.

•Event Processor - Processes events collected from one or more Event

Collector(s). Once received, the Event Processor correlates the information

STRM Installation Guide

Additional Hardware Requirements 7

from STRM and distributes to the appropriate area, depending on the type of

event. The Event Processor also includes information gathered by STRM to

indicate any behavioral changes or policy violations for the event. Rules are

applied to the events that allow the Event Processor to process according to the

configured rules. Once complete, the Event Processor sends the events to the

Magistrate.

•Magistrate - Provides the core processing components. You can add one

Magistrate component for each deployment. The Magistrate provides views,

reports, alerts, and analysis of network traffic and security events. The

Magistrate processes the event against the defined custom rules to create an

offense. If no custom rules exist, the Magistrate uses the default rules to

process the event. An offense is an event that has been processed through

STRM using multiple inputs, individual events, and events combined with

analyzed behavior and vulnerabilities. Magistrate prioritizes the offenses and

assigns a magnitude value based on several factors, including number of

events, severity, relevance, and credibility.

Additional

Hardware

Requirements

Before installing your STRM systems, make sure you have access to the additional

hardware components:

•Monitor and keyboard or a serial console

•To make sure that your STRM data is preserved during a power failure, we

highly recommend that all STRM appliances or systems running STRM

software storing data (such as, Consoles, Event Processors, or Flow

Processors) be equipped with a Uninterrupted Power Supply (UPS).

AdditionalSoftware

Requirements Before installing STRM, make sure you have Java Runtime Environment installed

on your system. You can download Java version 1.5.0_12 at the following web

site: http://java.com/.

Browser Support You must have a browser installed on your client system to access the STRM

interface. STRM supports the following web browsers:

- Microsoft Internet Explorer 6.0/7.0

- Firefox 2.0

Preparing Your

Network Hierarchy STRM uses the network hierarchy to understand your network traffic and provide

you with the ability to view network activity for your entire deployment. STRM

supports any network hierarchy that can be defined by a range of IP addresses.

You can create your network based on many different variables, including

geographical or business units. For example, your network hierarchy may include

corporate IP address ranges (internal or external), physical departments or areas,

mails servers, and web servers.

STRM Installation Guide

8PREPARING FOR YOUR INSTALLATION

Once you define the components you wish to add to your network hierarchy and

install STRM, you can then configure the network hierarchy using the STRM

interface. For each component you wish to add to your network hierarchy, use the

following table to indicate each component in your network map.

At a minimum, we recommend that you define objects in the network hierarchy for:

•Internal/external Demilitarized zone (DMZ)

•VPN

•All internal IP address space (for example, 0.0.0.0/8)

•Proxy servers

•Network Address Translation (NAT) IP address range

•Server Network subnets

•Voice over IP (VoIP) subnets

For more information, see the STRM Administration Guide - Setting Up STRM,

Creating Your Network Hierarchy.

Identifying Network

Settings Before you install STRM, you must have the following information for each system

you wish to install:

•Hostname

•IP address

•Network Mask address

•Subnet Mask

•Default Gateway

•Primary DNS Server

•Secondary DNS Server (Optional)

•Public IP address for networks using Network Address Translation (NAT)

•E-mail Server

•NTP Server (Console only) or Time server

Table 1-1 Network Hierarchy

Description Name IP/CIDR Value Weight

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