NETGEAR FVS338 - ProSafe VPN Firewall 50 Router Manuale utente

January 2005

202-10046-01

Version 1.0

January 2005

NETGEAR, Inc.

4500 Great America Parkway

Santa Clara, CA 95054 USA

Reference Manual for the

ProSafe VPN Firewall 50

FVS338

January 2005

Trademarks

NETGEAR is a trademark 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 B digital device, pursuant to

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful interference to radio communications. 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.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

EN 55 022 Declaration of Conformance

This is to certify that the FVS338 ProSafe VPN Firewall 50 is shielded against the generation of radio interference in

accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by the application

of EN 55 022 Class B (CISPR 22).

Bestätigung des Herstellers/Importeurs

Es wird hiermit bestätigt, daß das FVS338 ProSafe VPN Firewall 50 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.

Reference Manual for the ProSafe VPN Firewall 50 FVS338

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January 2005

Certificate of the Manufacturer/Importer

It is hereby certified that the FVS338 ProSafe VPN Firewall 50 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.

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.

Reference Manual for the ProSafe VPN Firewall 50 FVS338

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January 2005

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, please 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]).

Reference Manual for the ProSafe VPN Firewall 50 FVS338

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January 2005

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.

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: madler@alumni.caltech.edu

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)

Reference Manual for the ProSafe VPN Firewall 50 FVS338

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Product and Publication Details

Model Number: FVS338

Publication Date: January 2005

Product Family: Router

Product Name: FVS338 ProSafe VPN Firewall 50

Home or Business Product: Business

Language: English

Reference Manual for the ProSafe VPN Firewall 50 FVS338

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Contents

Chapter 1

About This Manual

Audience, Scope, Conventions, and Formats ................................................................1-1

How to Use This Manual ................................................................................................1-2

How to Print this Manual .................................................................................................1-3

Chapter 2

Introduction

Key Features of the VPN Firewall ..................................................................................2-1

Full Routing on Both the Broadband and Serial WAN Ports ....................................2-2

A Powerful, True Firewall with Content Filtering ......................................................2-2

Security ....................................................................................................................2-3

Autosensing Ethernet Connections with Auto Uplink ...............................................2-3

Extensive Protocol Support ......................................................................................2-3

Easy Installation and Management ..........................................................................2-4

Maintenance and Support ........................................................................................2-5

Package Contents ..........................................................................................................2-5

The Router’s Front Panel ...............................................................................................2-6

The Router’s Rear Panel ................................................................................................2-7

The Router’s IP Address, Login Name, and Password ..................................................2-8

Default Factory Settings .................................................................................................2-9

NETGEAR Related Products ..........................................................................................2-9

Chapter 3

Network Planning

Overview of the Planning Process ..................................................................................3-1

Single or Multiple Exposed Hosts ............................................................................3-1

Virtual Private Networks (VPNs) ..............................................................................3-1

The Fail-over Case for Routers With Dual WAN Ports .............................................3-2

Single or Multiple Exposed Hosts ...................................................................................3-2

Single Exposed Host ................................................................................................3-3

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Single Exposed Host: Single WAN Port (Reference Case) ...............................3-3

Single Exposed Host: Dual WAN Ports for Improved System Reliability ...........3-3

Multiple Exposed Hosts ............................................................................................3-4

Multiple Exposed Hosts: Single WAN Port (Reference Case) ...........................3-4

Multiple Exposed Hosts: Dual WAN Ports for Improved System Reliability .......3-4

Virtual Private Networks (VPNs) .....................................................................................3-5

VPN Road Warrior (Client-to-Gateway) ...................................................................3-6

VPN Road Warrior: Single Gateway WAN Port (Reference Case) ....................3-6

VPN Road Warrior: Dual Gateway WAN Ports for Improved System Reliability 3-7

VPN Gateway-to-Gateway .......................................................................................3-8

VPN Gateway-to-Gateway: Single Gateway WAN Ports (Reference Case) .....3-8

VPN Gateway-to-Gateway: Dual Gateway WAN Ports for Improved System Reliability

3-9

VPN Telecommuter (Client-to-Gateway Through a NAT Router) ...........................3-10

VPN Telecommuter: Single Gateway WAN Port (Reference Case) ................3-11

VPN Telecommuter: Dual Gateway WAN Ports for Improved System Reliability 3-11

Chapter 4

Connecting the FVS338 to the Internet

What You Will Need Before You Begin ...........................................................................4-1

LAN Hardware Requirements ..................................................................................4-1

LAN Configuration Requirements ............................................................................4-1

Internet Configuration Requirements .......................................................................4-2

Where Do I Get the Internet Configuration Parameters? ..................................4-2

Worksheet for Recording Your Internet Connection Information ..............................4-3

Connecting the FVS338 to Your LAN .............................................................................4-4

How to Connect the FVS338 to Your LAN ...............................................................4-4

Configuring for a Wizard-Detected Login Account ...................................................4-7

Configuring for a Wizard-Detected Dynamic IP Account .........................................4-8

Configuring for a Wizard-Detected Fixed IP (Static) Account ..................................4-9

Configuring a Serial Port as the Primary Internet Connection ........................................4-9

How to Configure the Serial Port for an Internet Connection ...................................4-9

Testing Your Internet Connection ..................................................................................4-13

Manually Configuring Your Internet Connection ...........................................................4-14

How to Manually Configure the Primary Internet Connection ................................4-15

Configure Dynamic DNS (If Needed) ...........................................................................4-16

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Configure the WAN Options (If Needed) ......................................................................4-18

Chapter 5

Serial Port Configuration

Configuring a Serial Port Modem ...................................................................................5-1

Basic Requirements for Serial Port Modem Configuration .......................................5-1

How to Configure a Serial Port Modem ....................................................................5-2

Configuring Auto-Rollover ..............................................................................................5-3

Basic Requirements for Auto-Rollover .....................................................................5-3

How to Configure Auto-Rollover ...............................................................................5-3

Chapter 6

LAN Configuration

Using the LAN IP Setup Options ....................................................................................6-1

Configuring LAN TCP/IP Setup Parameters ............................................................6-2

Using the Firewall as a DHCP server .......................................................................6-4

Using Address Reservation ......................................................................................6-5

Multi Home LAN IPs .................................................................................................6-6

DMZ Setup .....................................................................................................................6-6

Exposed Host (Software DMZ) ................................................................................6-7

One-to-One NAT Mapping .......................................................................................6-8

Configuring Static Routes .............................................................................................6-10

Chapter 7

Firewall Protection and Content Filtering

Firewall Protection and Content Filtering Overview ........................................................7-1

Using Rules to Block or Allow Specific Kinds of Traffic ..................................................7-1

Services-Based Rules ..............................................................................................7-4

Inbound Rules (Port Forwarding) ......................................................................7-5

Outbound Rules (Service Blocking) ...................................................................7-9

Customized Services .......................................................................................7-12

Quality of Service (QoS) Priorities ...................................................................7-14

Managing Groups and Hosts .................................................................................7-16

Using a Schedule to Block or Allow Specific Traffic ...............................................7-18

Time Zone ..............................................................................................................7-20

Block Sites ....................................................................................................................7-20

Source MAC Filtering ...................................................................................................7-23

Port Triggering ..............................................................................................................7-24

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January 2005

Getting E-Mail Notifications of Event Logs and Alerts ..................................................7-26

Syslog ....................................................................................................................7-29

Viewing Logs of Web Access or Attempted Web Access ......................................7-29

Administrator Information .............................................................................................7-31

Chapter 8

Virtual Private Networking

Fully Qualified Domain Names .......................................................................................8-1

Creating a VPN Connection: Between FVX538 and FVS338 ........................................8-1

Configuring the FVX538 ...........................................................................................8-2

Configuring the FVS338 ...........................................................................................8-6

Testing the Connection .............................................................................................8-8

Creating a VPN Connection: Netgear VPN Client to FVS338 ........................................8-8

Configuring the FVS338 ...........................................................................................8-9

Configuring the VPN Client ......................................................................................8-9

Testing the Connection ...........................................................................................8-17

Chapter 9

Router and Network Management

Performance Management .............................................................................................9-1

Bandwidth Capacity .................................................................................................9-1

VPN Firewall Features That Reduce Traffic .............................................................9-2

Service Blocking ................................................................................................9-2

Block Sites .........................................................................................................9-4

Source MAC Filtering ........................................................................................9-4

VPN Firewall Features That Increase Traffic ...........................................................9-4

Port Forwarding .................................................................................................9-5

Port Triggering ...................................................................................................9-6

Exposed Hosts ..................................................................................................9-7

VPN Tunnels ......................................................................................................9-7

Using QoS to Shift the Traffic Mix ............................................................................9-7

Tools for Traffic Management ...................................................................................9-8

Administrator Access Authorization ................................................................................9-8

Changing the Administrator Password and Login Timeout ......................................9-8

Enabling Remote Management Access ...................................................................9-9

Event Alerts ..................................................................................................................9-11

WAN Port Rollover .................................................................................................9-11

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