Juniper SECURITY THREAT RESPONSE MANAGER - APPLICATION CONFIGURATION GUIDE REV... Manuel utilisateur

Juniper Networks, Inc.

1194 North Mathilda Avenue

Sunnyvale, CA 94089

USA

408-745-2000

www.juniper.net

Part Number: 530-025610-01, Revision 1

Security Threat Response Manager

STRM Application Configuration 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.

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

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STRM Application Configuration 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 1

Technical Documentation 1

Documentation Feedback 1

Requesting Support 2

1DEFINING APPLICATION MAPPINGS

About the STRM Applications View 1

Defining Application Mappings 2

Example of a Mapping File 4

2DEFAULT APPLICATIONS

3ICMP TYPE AND CODE IDS

Identifying Default ICMP Types 23

Identifying Default ICMP Codes 24

4PROTOCOL IDS

5PORT IDS

STRM Default Application Configuration Guide

ABOUT THIS GUIDE

The STRM Application Configuration Guide provides you with information on how

to investigate various types of security threats using the Offense Manager, Event

Viewer, or the Flow Viewer.

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 Default Application Configuration Guide

2ABOUT 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 Default Application Configuration Guide

1DEFINING APPLICATION MAPPINGS

By default, STRM can classify many applications. When creating new or

customized application mappings, you must:

Step 1 Update the Application Views in the STRM Administration interface, which

contains group and object information. For more information on updating the

Applications Views, see the STRM Administration Guide.

Step 2 Configure the application mapping parameters in the Flow Collector parameters.

For more information, see the STRM Administration Guide.

Step 3 Update the mapping file, which contains user defined application mappings. This

file maps user defined applications with STRM’s Application Views.

Step 4 Deploy the changes to other systems through the Administration Console. For

more information, see the STRM Administration Guide.

This chapter provides information on configuring and editing applications in STRM

including:

•About the STRM Applications View

•Defining Application Mappings

About the STRM

Applications View Once a flow is detected, STRM assigns an application ID to the flow based on the

content of the flow, the protocol used for the flow, and the port. The particular

application ID assigned to a flow depends on the values configured in the mapping

files. This file also allows the application ID to be mapped to values defined in the

Application View of your STRM interface, which also allows the classified data to

be stored and displayed on the STRM graphs, based on the defined application ID.

Figure 1-1 shows an example of the Chat Application View in the STRM interface,

which shows the associated ID in the Values column.

STRM Default Application Configuration Guide

2DEFINING APPLICATION MAPPINGS

Figure 1-1 Example of Application View

You can edit the user defined mapping file to ensure specific traffic is appropriately

classified in the STRM interface. However, STRM also includes default application

IDs, which you can view in the Applications View of the STRM interface. For

example, in Figure 1-1, the Chat group includes the default AOL group, which is

defined in the default mapping file to ensure all AOL traffic is assigned a value of

3001. For more information on the default values, see Chapter 2 Default

Applications.

Note: For more information on enabling or disabling application detection, see the

STRM Administration Guide.

Defining

Application

Mappings

To define application mappings:

Step 1 Using SSH, log in to STRM.

Step 2 Open the following file:

/store/configservices/staging/globalconfig/user_application_

mapping.conf

Note: To edit the name of the user_application_mapping.conf file, you can edit the

User Application Mapping parameter in the Flow Processor configuration window.

For more information, see the STRM Administration Guide. If the

user_application_mapping.conf does not exist in your system, create the file and

place the empty in the above directory.

Step 3 Update the file, as necessary.

When updating the file, note the following:

•Each line in the file indicates a new mapped application. You can specify

multiple mappings (each on a seperate line) for the same application.

•You can specify a wildcard character * for any of the fields. The wildcard

character must be used alone and not part of a comma separated list. The

wildcard character indicates that this field applies to all flows.

STRM Default Application Configuration Guide

Defining Application Mappings 3

•Since it is possible for a flow to be associated with multiple mappings, a flow is

mapped to an application ID based on the order of the file. The first mapping

that applies in the file is assigned to the flow.

•When adding new application identification numbers, we recommend that you

apply numbers ranging between 15,000 to 20,000. Contact Juniper Networks

Customer Support for further information.

The format of the entry must resemble the following:

<New ID> <Old ID> <Source IP Address>:<Source Port> <Dest IP

Address>:<Dest Port> <Name>

Where:

•<New ID> specifies the application ID you wish to assign to the flow. A value of

1 indicates an unknown application. If the ID you wish to assign does not exist,

you must create the ID using the Application View in the STRM interface. For

more information, see the STRM Administration Guide.

•<Old ID> specifies the default application ID of the flow, as assigned by

STRM. A value of * indicates a wildcard. For more information on the default

values, see Chapter 2 Default Applications.

•<Source IP Address> specifies the source IP address of the flow. This field

may contain either a comma separated list of addresses or CIDR values. A

value of * indicates a wildcard, which means that this field applies to all flows.

•<Source Port> specifies the associated port. This field may contain a comma

separated list of values or ranges specifies in the format: <lower port

number>-<upper port number>. A value of * indicates a wildcard, which means

that this field applies to all flows.

•<Dest IP Address> specifies the destination IP address of the flow. This field

may contain either a comma separated list of addresses or CIDR values. A

value of * indicates a wildcard, which means that this field applies to all flows.

•<Dest Port> specifies the associated destination source port. This field may

contain a comma separated list of values or ranges specifies in the format:

<lower port number>-<upper port number>. A value of * indicates a wildcard,

which means that this field applies to all flows.

•<Name> specifies a name you wish to assign to this mapping. This field is

optional.

For example, the below example maps all flows that match the IP addresses and

ports for which the Flow Collector has assigned to the Old ID of 1010 and assign

the new ID of 15000:

15000 1010 10.100.100/24,10.100.50.10:* 172.14.33.33:80,443

Step 4 Save and exit the file.

Step 5 Log-in to STRM.

Step 6 Click Config to access the Administration Console.

Step 7 If necessary, edit your Application View.

STRM Default Application Configuration Guide

4DEFINING APPLICATION MAPPINGS

Note: For information on creating or editing views, see the STRM Administration

Guide.

Step 8 From the menu, select Configurations > Deploy configuration changes.

The Deploy configuration changes window appears:

Step 9 Click Close.

You have successfully deployed your changes.

Example of a

Mapping File 15000 1010 10.100.100/24,10.100.50.10:* 172.14.33.33:80,443 AllowedWebTypeA

15000 1010 10.100.30/24:* 172.14.33.20:80 AllowedWebTypeA

15100 * *:33333 64.35.20/24,64.33/16,64.77.34.12:33333,33350-33400 GameX

15100 1,34803,34809 *:33333 *:33333,33350-33400 GameX

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