NETGEAR UTM5EW-100NAS Manuale utente

202-10482-02

January 2010

v1.0

NETGEAR, Inc.

350 East Plumeria Drive

San Jose, CA 95134

ProSecure Unified Threat

Management (UTM)

Appliance Reference Manual

v1.0, January 2010

Trademarks

NETGEAR and the NETGEAR logo are registered trademarks and ProSecure and ProSafe are trademarks of

NETGEAR, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Other

brand and product names are registered trademarks or trademarks of their respective holders.

Statement of Conditions

In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to

make changes to the products described in this document without notice.

NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit

layout(s) described herein.

Federal Communications Commission (FCC) Compliance Notice: Radio Frequency

Notice

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. This 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

the user will be required to correct the interference at his own expense.

Changes or modifications not expressly approved by NETGEAR could void the user’s authority to operate the

equipment.

EU Regulatory Compliance Statement

The ProSecure Unified Threat Management (UTM) Appliance is compliant with the following EU Council Directives:

EMC Directive 2004/108/EC and Low Voltage Directive 2006/95/EC. Compliance is verified by testing to the following

standards: EN55022, EN55024, and EN60950-1.

For the EU Declaration of Conformity, please visit:

http://kb.netgear.com/app/answers/detail/a_id/11621/sno/0.

Bestätigung des Herstellers/Importeurs

Es wird hiermit bestätigt, daß das ProSecure Unified Threat Management (UTM) Appliance gemäß der im BMPT-

AmtsblVfg 243/1991 und Vfg 46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben

einiger Geräte (z.B. Testsender) kann jedoch gewissen Beschränkungen unterliegen. Lesen Sie dazu bitte die

Anmerkungen in der Betriebsanleitung.

Das Bundesamt für Zulassungen in der Telekommunikation wurde davon unterrichtet, daß dieses Gerät auf den Markt

gebracht wurde und es ist berechtigt, die Serie auf die Erfüllung der Vorschriften hin zu überprüfen.

Certificate of the Manufacturer/Importer

It is hereby certified that the ProSecure Unified Threat Management (UTM) Appliance has been suppressed

in accordance with the conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some

equipment (for example, test transmitters) in accordance with the regulations may, however, be subject to certain

restrictions. Please refer to the notes in the operating instructions.

v1.0, January 2010

iii

Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market

and has been granted the right to test the series for compliance with the regulations.

Voluntary Control Council for Interference (VCCI) Statement

This equipment is in the second category (information equipment to be used in a residential area or an adjacent area

thereto) and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing

Equipment and Electronic Office Machines aimed at preventing radio interference in such residential areas.

When used near a radio or TV receiver, it may become the cause of radio interference.

Read instructions for correct handling.

Additional Copyrights

TERMS

Redistribution and use in source and binary forms, with or without modification, are permitted

subject to the following conditions:

1. Redistributions of source code must retain the above copyright notice, this list of

conditions, and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of

conditions, and the following disclaimer in the documentation and/or other materials

provided with the distribution.

3. The copyright holder’s name must not be used to endorse or promote any products

derived from this software without his specific prior written permission.

This software is provided “as is” with no express or implied warranties of correctness or fitness

for purpose.

v1.0, January 2010

Redistribution and use in source and binary forms, with or without modification, are permitted

provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of

conditions, and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of

conditions, and the following disclaimer in the documentation and/or other materials

provided with the distribution.

3. All advertising materials mentioning features or use of this software must display the

following acknowledgment: “This product includes software developed by the OpenSSL

Project for use in the OpenSSL Toolkit (http://www.openssl.org/).”

4. The names “OpenSSL Toolkit” and “OpenSSL Project” must not be used to endorse or

promote products derived from this software without prior written permission. For written

permission, contact [email protected].

5. Products derived from this software may not be called “OpenSSL” nor may “OpenSSL”

appear in their names without prior written permission of the OpenSSL Project.

6. Redistributions of any form whatsoever must retain the following acknowledgment: “This

product includes software developed by the OpenSSL Project for use in the OpenSSL

Toolkit (http://www.openssl.org/).”

THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT “AS IS,” AND ANY

EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR ITS

CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

This product includes cryptographic software written by Eric Young ([email protected]). This

product includes software written by Tim Hudson ([email protected]).

License to copy and use this software is granted provided that it is identified as the “RSA Data

Security, Inc. MD5 Message-Digest Algorithm” in all material mentioning or referencing this

software or this function. License is also granted to make and use derivative works provided

that such works are identified as “derived from the RSA Data Security, Inc. MD5 Message-

Digest Algorithm” in all material mentioning or referencing the derived work.

RSA Data Security, Inc. makes no representations concerning either the merchantability of

this software or the suitability of this software for any particular purpose. It is provided “as is”

without express or implied warranty of any kind.

These notices must be retained in any copies of any part of this documentation and/or

software.

v1.0, January 2010

Product and Publication Details

Redistribution and use in source and binary forms are permitted provided that the above

documentation, advertising materials, and other materials related to such distribution and use

acknowledge that the software was developed by Carnegie Mellon University. The name of

the University may not be used to endorse or promote products derived from this software

without specific prior written permission.

THIS SOFTWARE IS PROVIDED “AS IS” AND WITHOUT ANY EXPRESS OR IMPLIED

WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF

MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Zlib zlib.h. Interface of the zlib general purpose compression library version 1.1.4, March 11th,

This software is provided “as is,” without any express or implied warranty. In no event will the

authors be held liable for any damages arising from the use of this software. Permission is

granted to anyone to use this software for any purpose, including commercial applications,

and to alter it and redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote

the original software. If you use this software in a product, an acknowledgment in the

product documentation would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be misrepresented

as being the original software.

3. This notice may not be removed or altered from any source distribution.

Jean-loup Gailly: jl[email protected]; Mark Adler: [email protected].

The data format used by the zlib library is described by RFCs (Request for Comments) 1950

to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate

format), and rfc1952.txt (gzip format).

Model Number: UTM

Publication Date: January 2010

Product Family: UTM

Product Name: ProSecure Unified Threat Management (UTM) Appliance

Home or Business Product: Business

Language: English

Publication Part Number: 202-10482-02

Publication Version Number 1.0

v1.0, January 2010

vii

v1.0, January 2010

Contents

ProSecure Unified Threat Management (UTM) Appliance Reference Manual

About This Manual

Conventions, Formats, and Scope .................................................................................xvii

How to Print This Manual ..............................................................................................xviii

Revision History .............................................................................................................xviii

Chapter 1

Introduction

What Is the ProSecure Unified Threat Management (UTM) Appliance? ........................1-1

Key Features and Capabilities ........................................................................................1-2

Dual-WAN Port Models for Increased Reliability or

Outbound Load Balancing ........................................................................................1-3

Advanced VPN Support for Both IPsec and SSL .....................................................1-3

A Powerful, True Firewall .........................................................................................1-4

Stream Scanning for Content Filtering .....................................................................1-4

Security Features .....................................................................................................1-5

Autosensing Ethernet Connections with Auto Uplink ...............................................1-5

Extensive Protocol Support ......................................................................................1-6

Easy Installation and Management ..........................................................................1-6

Maintenance and Support ........................................................................................1-7

Model Comparison ...................................................................................................1-7

Service Registration Card with License Keys .................................................................1-8

Package Contents ..........................................................................................................1-9

Hardware Features .......................................................................................................1-10

Front Panel .............................................................................................................1-10

Rear Panel .............................................................................................................1-12

Bottom Panel With Product Label ..........................................................................1-12

Choosing a Location for the UTM .................................................................................1-14

Using the Rack-Mounting Kit ..................................................................................1-15

ProSecure Unified Threat Management (UTM) Appliance Reference Manual

viii

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Chapter 2

Using the Setup Wizard to Provision the UTM in Your Network

Understanding the Steps for Initial Connection ..............................................................2-1

Qualified Web Browsers ...........................................................................................2-2

Logging In to the UTM ....................................................................................................2-2

Understanding the Web Management Interface Menu Layout .................................2-5

Using the Setup Wizard to Perform the Initial Configuration ..........................................2-7

Setup Wizard Step 1 of 10: LAN Settings ................................................................2-8

Setup Wizard Step 2 of 10: WAN Settings .............................................................2-11

Setup Wizard Step 3 of 10: System Date and Time ...............................................2-14

Setup Wizard Step 4 of 10: Services ......................................................................2-16

Setup Wizard Step 5 of 10: Email Security ............................................................2-18

Setup Wizard Step 6 of 10: Web Security ..............................................................2-19

Setup Wizard Step 7 of 10: Web Categories to Be Blocked ..................................2-21

Setup Wizard Step 8 of 10: Email Notification ........................................................2-23

Setup Wizard Step 9 of 10: Signatures & Engine ...................................................2-24

Setup Wizard Step 10 of 10: Saving the Configuration ..........................................2-25

Verifying Proper Installation ..........................................................................................2-26

Testing Connectivity ...............................................................................................2-26

Testing HTTP Scanning .........................................................................................2-26

Registering the UTM with NETGEAR ...........................................................................2-26

What to Do Next ...........................................................................................................2-28

Chapter 3

Manually Configuring Internet and WAN Settings

Understanding the Internet and WAN Configuration Tasks ............................................3-1

Configuring the Internet Connections .............................................................................3-2

Automatically Detecting and Connecting .................................................................3-2

Setting the UTM’s MAC Address .............................................................................3-5

Manually Configuring the Internet Connection .........................................................3-5

Configuring the WAN Mode (Required for Dual-WAN Port Models Only) ......................3-9

Network Address Translation (All Models) .............................................................3-10

Classical Routing (All Models) ...............................................................................3-11

Configuring Auto-Rollover Mode (Dual-WAN Port Models Only) ...........................3-11

Configuring Load Balancing and Optional Protocol Binding

(Dual-WAN Port Models Only) ...............................................................................3-14

ProSecure Unified Threat Management (UTM) Appliance Reference Manual

v1.0, January 2010

Configuring Secondary WAN Addresses ......................................................................3-17

Configuring Dynamic DNS ............................................................................................3-19

Configuring Advanced WAN Options ............................................................................3-22

Additional WAN-Related Configuration Tasks ........................................................3-24

Chapter 4

LAN Configuration

Managing Virtual LANs and DHCP Options ...................................................................4-1

Managing the UTM’s Port-Based VLANs .................................................................4-2

VLAN DHCP Options ...............................................................................................4-4

Configuring a VLAN Profile ......................................................................................4-6

Configuring Multi-Home LAN IPs on the Default VLAN ................................................4-11

Managing Groups and Hosts (LAN Groups) .................................................................4-12

Managing the Network Database ...........................................................................4-13

Changing Group Names in the Network Database ................................................4-16

Setting Up Address Reservation ............................................................................4-17

Configuring and Enabling the DMZ Port .......................................................................4-18

Managing Routing ........................................................................................................4-22

Configuring Static Routes .......................................................................................4-23

Configuring Routing Information Protocol (RIP) .....................................................4-24

Static Route Example .............................................................................................4-27

Chapter 5

Firewall Protection

About Firewall Protection ................................................................................................5-1

Administrator Tips ....................................................................................................5-2

Using Rules to Block or Allow Specific Kinds of Traffic ..................................................5-3

Services-Based Rules ..............................................................................................5-3

Order of Precedence for Rules ..............................................................................5-11

Setting LAN WAN Rules ........................................................................................5-12

Setting DMZ WAN Rules ........................................................................................5-15

Setting LAN DMZ Rules .........................................................................................5-19

Inbound Rules Examples .......................................................................................5-22

Outbound Rules Example ......................................................................................5-26

Configuring Other Firewall Features .............................................................................5-27

Attack Checks ........................................................................................................5-27

Setting Session Limits ............................................................................................5-30

ProSecure Unified Threat Management (UTM) Appliance Reference Manual

v1.0, January 2010

Managing the Application Level Gateway for SIP Sessions ..................................5-31

Creating Services, QoS Profiles, and Bandwidth Profiles ............................................5-32

Adding Customized Services .................................................................................5-32

Creating Quality of Service (QoS) Profiles .............................................................5-35

Creating Bandwidth Profiles ...................................................................................5-38

Setting a Schedule to Block or Allow Specific Traffic ....................................................5-41

Enabling Source MAC Filtering ....................................................................................5-42

Setting up IP/MAC Bindings .........................................................................................5-44

Configuring Port Triggering ...........................................................................................5-46

Using the Intrusion Prevention System ........................................................................5-49

Chapter 6

Content Filtering and Optimizing Scans

About Content Filtering and Scans .................................................................................6-1

Default E-mail and Web Scan Settings ....................................................................6-2

Configuring E-mail Protection .........................................................................................6-3

Customizing E-mail Protocol Scan Settings .............................................................6-4

Customizing E-mail Anti-Virus and Notification Settings ..........................................6-5

E-mail Content Filtering ............................................................................................6-8

Protecting Against E-mail Spam .............................................................................6-11

Configuring Web and Services Protection ....................................................................6-19

Customizing Web Protocol Scan Settings and Services ........................................6-19

Configuring Web Malware Scans ...........................................................................6-21

Configuring Web Content Filtering .........................................................................6-23

Configuring Web URL Filtering ..............................................................................6-30

HTTPS Scan Settings ............................................................................................6-34

Specifying Trusted Hosts .......................................................................................6-37

Configuring FTP Scans ..........................................................................................6-39

Setting Web Access Exceptions and Scanning Exclusions ..........................................6-41

Setting Web Access Exception Rules ....................................................................6-41

Setting Scanning Exclusions ..................................................................................6-44

Chapter 7

Virtual Private Networking

Using IPsec Connections

Considerations for Dual WAN Port Systems (Dual-WAN Port Models Only) ..................7-1

Using the IPsec VPN Wizard for Client and Gateway Configurations ............................7-3

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