Netgear DG834v2 DG834v2 Reference Manual - Page 7

Contents

vii

How to Schedule Firewall Services

........................................................................

4-15

Chapter 5

Managing Your Network

Backing Up, Restoring, or Erasing Your Settings

...........................................................

5-1

How to Back Up the Configuration to a File

.............................................................

5-1

How to Restore the Configuration from a File

..........................................................

5-2

How to Erase the Configuration

...............................................................................

5-2

Upgrading the Router’s Firmware

...................................................................................

5-2

How to Upgrade the Router Firmware

.....................................................................

5-3

Network Management Information

.................................................................................

5-4

Viewing Router Status and Usage Statistics

............................................................

5-4

Viewing Attached Devices

........................................................................................

5-9

Viewing, Selecting, and Saving Logged Information

................................................

5-9

Selecting What Information to Log

..................................................................

5-11

Saving Log Files on a Server

..........................................................................

5-12

Examples of Log Messages

...................................................................................

5-12

Activation and Administration

..........................................................................

5-12

Dropped Packets

.............................................................................................

5-12

Enabling Security Event E-mail Notification

.................................................................

5-13

Running Diagnostic Utilities and Rebooting the Router

................................................

5-14

Enabling Remote Management

....................................................................................

5-14

Configuring Remote Management

.........................................................................

5-15

Chapter 6

Advanced Configuration

Configuring Advanced Security

......................................................................................

6-1

Setting Up A Default DMZ Server

............................................................................

6-1

How to Configure a Default DMZ Server

...........................................................

6-2

Connect Automatically, as Required

........................................................................

6-3

Disable Port Scan and DOS Protection

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6-3

Respond to Ping on Internet WAN Port

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6-3

MTU Size

.................................................................................................................

6-3

Configuring LAN IP Settings

...........................................................................................

6-3

DHCP

.......................................................................................................................

6-5

Use Router as DHCP server

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6-5

Reserved IP addresses

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6-6

Section	Page
Reference Manual for the Model DG834 ADSL Firewall Router	1
Contents	5
Chapter 1 About This Guide	11
Audience, Conventions, Scope	11
How to Use this Manual	12
How to Print this Manual	13
Chapter 2 Introduction	15
About the Router	15
Key Features	16
A Powerful, True Firewall	16
Content Filtering	16
Auto Sensing and Auto Uplink™ LAN Ethernet Connections	17
Protocol Support	17
Easy Installation and Management	18
What’s in the Box?	19
The Router’s Front Panel	20
The Router’s Rear Panel	21
Chapter 3 Connecting the Router to the Internet	23
What You Need Before You Begin	23
ADSL Microfilter Requirements	23
ADSL Microfilter	23
ADSL Microfilter with Built-In Splitter	24
Ethernet Cabling Requirements	24
Computer Hardware Requirements	24
LAN Configuration Requirements	24
Internet Configuration Requirements	25
Where Do I Get the Internet Configuration Parameters?	25
Record Your Internet Connection Information	25
Connecting the DG834 to Your LAN	27
How to Connect the Router	27
Auto-Detecting Your Internet Connection Type	31
Wizard-Detected PPPoE Login Account Setup	33
Wizard-Detected PPPoA Login Account Setup	33
Wizard-Detected Dynamic IP Account Setup	34
Wizard-Detected IP Over ATM Account Setup	34
Wizard-Detected Fixed IP (Static) Account Setup	35
Testing Your Internet Connection	36
Manually Configuring Your Internet Connection	37
How to Perform Manual Configuration	38
Internet Connection Requires Login and Uses PPPoE	38
Internet Connection Requires Login and Uses PPPoA	39
Internet Connection Does Note Require A Login	40
ADSL Settings	41
Chapter 4 Protecting Your Network	43
Protecting Access to Your DG834 ADSL Firewall Router	43
How to Change the Built-In Password	43
Changing the Administrator Login Timeout	44
Configuring Basic Firewall Services	44
Blocking Keywords, Sites, and Services	45
How to Block Keywords and Sites	45
Firewall Rules	47
Inbound Rules (Port Forwarding)	48
Inbound Rule Example: A Local Public Web Server	49
Inbound Rule Example: Allowing Videoconferencing	50
Considerations for Inbound Rules	51
Outbound Rules (Service Blocking)	51
Outbound Rule Example: Blocking Instant Messenger	52
Order of Precedence for Rules	54
Services	54
How to Define Services	55
Setting Times and Scheduling Firewall Services	56
How to Set Your Time Zone	56
How to Schedule Firewall Services	57
Chapter 5 Managing Your Network	59
Backing Up, Restoring, or Erasing Your Settings	59
How to Back Up the Configuration to a File	59
How to Restore the Configuration from a File	60
How to Erase the Configuration	60
Upgrading the Router’s Firmware	60
How to Upgrade the Router Firmware	61
Network Management Information	62
Viewing Router Status and Usage Statistics	62
Viewing Attached Devices	67
Viewing, Selecting, and Saving Logged Information	67
Selecting What Information to Log	69
Saving Log Files on a Server	70
Examples of Log Messages	70
Activation and Administration	70
Dropped Packets	70
Enabling Security Event E-mail Notification	71
Running Diagnostic Utilities and Rebooting the Router	72
Enabling Remote Management	72
Configuring Remote Management	73
Chapter 6 Advanced Configuration	75
Configuring Advanced Security	75
Setting Up A Default DMZ Server	75
How to Configure a Default DMZ Server	76
Connect Automatically, as Required	77
Disable Port Scan and DOS Protection	77
Respond to Ping on Internet WAN Port	77
MTU Size	77
Configuring LAN IP Settings	77
DHCP	79
Use Router as DHCP server	79
Reserved IP addresses	80
How to Configure LAN TCP/IP Settings	80
Configuring Dynamic DNS	81
How to Configure Dynamic DNS	82
Using Static Routes	83
Static Route Example	83
How to Configure Static Routes	84
Chapter 7 Troubleshooting	87
Basic Functioning	87
Power LED Not On	88
Test LED Never Turns On or Test LED Stays On	88
LAN or WAN Port LEDs Not On	88
Troubleshooting the Web Configuration Interface	89
Troubleshooting the ISP Connection	90
ADSL link	90
WAN LED Blinking Yellow	90
WAN LED Off	90
Obtaining a WAN IP Address	91
Troubleshooting PPPoE or PPPoA	92
Troubleshooting Internet Browsing	92
Troubleshooting a TCP/IP Network Using the Ping Utility	93
Testing the LAN Path to Your Router	93
Testing the Path from Your Computer to a Remote Device	94
Restoring the Default Configuration and Password	95
Using the Reset button	95
Problems with Date and Time	95
Appendix A Technical Specifications	97
Appendix B Network and Routing Basics	99
Related Publications	99
Basic Router Concepts	99
What is a Router?	99
Routing Information Protocol	100
IP Addresses and the Internet	100
Netmask	102
Subnet Addressing	102
Private IP Addresses	105
Single IP Address Operation Using NAT	105
MAC Addresses and Address Resolution Protocol	107
Related Documents	107
Domain Name Server	107
IP Configuration by DHCP	108
Internet Security and Firewalls	108
What is a Firewall?	109
Stateful Packet Inspection	109
Denial of Service Attack	109
Ethernet Cabling	109
Category 5 Cable Quality	110
Inside Twisted Pair Cables	111
Uplink Switches, Crossover Cables, and MDI/MDIX Switching	112
Appendix C Preparing Your Network	115
Preparing Your Computers for TCP/IP Networking	115
Configuring Windows 95, 98, and Me for TCP/IP Networking	116
Installing or Verifying Windows Networking Components	116
Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me	118
Selecting the Windows’ Internet Access Method	120
Verifying TCP/IP Properties	120
Configuring Windows NT4, 2000 or XP for IP Networking	121
Installing or Verifying Windows Networking Components	121
DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4	122
DHCP Configuration of TCP/IP in Windows XP	122
DHCP Configuration of TCP/IP in Windows 2000	124
DHCP Configuration of TCP/IP in Windows NT4	127
Verifying TCP/IP Properties for Windows XP, 2000, and NT4	129
Configuring the Macintosh for TCP/IP Networking	130
MacOS 8.6 or 9.x	130
MacOS X	130
Verifying TCP/IP Properties for Macintosh Computers	131
Verifying the Readiness of Your Internet Account	132
Are Login Protocols Used?	132
What Is Your Configuration Information?	132
Obtaining ISP Configuration Information for Windows Computers	133
Obtaining ISP Configuration Information for Macintosh Computers	134
Restarting the Network	135

Netgear DG834v2 DG834v2 Reference Manual - Page 7

Managing Your Network, Advanced Configuration, How to Back Up the Configuration to a File - firmware

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