Netgear ADSL Firewall Router DG834 Manuale Utente Scaricare il pdf (Pagina 127)

Reference Manual for the ADSL Firewall Router DG834

Virtual Private Networking (Advanced Feature) 7-37

202-10005-05, June 2005

Figure 7-41: DG834 VPN Tunnel Auto Policy Configuration Menu

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Reference Manual for the 1
ADSL Firewall Router 1
Contents 5
Chapter 1 13
About This Manual 13
How to Use This Manual 14
How to Print this Manual 15
1-4 About This Manual 16
Chapter 2 17
Introduction 17
A Powerful, True Firewall 18
Protocol Support 19
Content Filtering 20
What’s in the Box? 21
The Router’s Rear Panel 22
• AC power adapter outlet 23
2-8 Introduction 24
Chapter 3 25
Ethernet Cabling Requirements 26
How to Connect the Router 29
ADSL Firewall Router DG834 30
LOG IN TO THE DG834 32
CONNECT TO THE INTERNET 33
ADSL Settings 43
Chapter 4 45
Protecting Your Network 45
Protecting Your Network 4-3 47
Firewall Rules 49
4-6 Protecting Your Network 50
Protecting Your Network 4-7 51
Figure 4-5: Rule example: 51
4-8 Protecting Your Network 52
Protecting Your Network 4-9 53
4-10 Protecting Your Network 54
Order of Precedence for Rules 55
Services 56
How to Set Your Time Zone 57
4-16 Protecting Your Network 60
Chapter 5 61
Managing Your Network 61
5-4 Managing Your Network 64
Managing Your Network 5-5 65
Figure 5-6 66
Managing Your Network 5-7 67
5-8 Managing Your Network 68
Viewing Attached Devices 69
5-10 Managing Your Network 70
Managing Your Network 5-11 71
Examples of Log Messages 72
Managing Your Network 5-13 73
Figure 5-9: E-mail menu 73
5-14 Managing Your Network 74
Enabling Remote Management 75
5-16 Managing Your Network 76
Chapter 6 77
Advanced Configuration 77
Configuring LAN IP Settings 79
6-4 Advanced Configuration 80
Advanced Configuration 6-5 81
Configuring Dynamic DNS 83
How to Configure Dynamic DNS 84
Using Static Routes 85
6-14 Advanced Configuration 90
Chapter 7 91
VPN Tunnel Configuration 96
202-10005-05, June 2005 100
Remote PC 102
22.23.24.25 would be used 104
VPN Tunnel 110
(8 hours) 111
(1 hour) 111
Figure 7-23: Remote IP 113
VPN Tunnel Control 117
Deactivating a VPN Tunnel 122
Deleting a VPN Tunnel 125
• Parameters 134
— Encryption Algorithm = 3DES 134
— Pre-shared Key = 12345678 134
Chapter 8 141
Troubleshooting 141
Power LED Not On 142
LAN or WAN Port LEDs Not On 142
Troubleshooting 8-3 143
ADSL link 144
Obtaining a WAN IP Address 145
Request timed out 147
8-8 Troubleshooting 148
Problems with Date and Time 149
8-10 Troubleshooting 150
Appendix A 151
Technical Specifications 151
A-2 Technical Specifications 152
Electromagnetic Emissions 152
Interface Specifications 152
Appendix B 153
Network and Routing Basics 153
Routing Information Protocol 154
IP Addresses and the Internet 154
Subnet Addressing 156
Table 8-2. Netmask Formats 158
Private IP Addresses 159
Related Documents 161
Domain Name Server 161
IP Configuration by DHCP 161
What is a Firewall? 162
Stateful Packet Inspection 162
Ethernet Cabling 163
Inside Twisted Pair Cables 164
Appendix C 167
Preparing Your Network 167
C-2 Preparing Your Network 168
Windows 95B, 98, and Me 170
Preparing Your Network C-5 171
Verifying TCP/IP Properties 172
Preparing Your Network C-7 173
C-8 Preparing Your Network 174
Preparing Your Network C-9 175
C-10 Preparing Your Network 176
Preparing Your Network C-11 177
C-12 Preparing Your Network 178
Preparing Your Network C-13 179
Properties button 180
3. Type ipconfig /all 181
MacOS 8.6 or 9.x 182
4. Click Save 183
Are Login Protocols Used? 184
4. Select the IP Address tab 185
5. Select the Gateway tab 185
Computers 186
Restarting the Network 187
C-22 Preparing Your Network 188
Appendix D 189
Virtual Private Networking 189
IPSec Security Features 190
IPSec Components 190
Authentication Header (AH) 192
IKE Security Association 192
Key Management 194
VPN Process Overview 195
Table D-2. Subnet Addressing 196
VPN Tunnel Negotiation Steps 197
VPNC IKE Security Parameters 198
Testing and Troubleshooting 199
Additional Reading 199
Appendix E 201
NETGEAR VPN Configuration 201
Step-By-Step Configuration 202
Click VPN Policies under 203
Advanced - VPN to invoke 203
E-4 NETGEAR VPN Configuration 204
Click IKE Policies under 205
VPN to invoke this screen 205
DG834 with FQDN to FVL328 206
NETGEAR VPN Configuration E-7 207
Table E-1. Profile Summary 207
NETGEAR VPN Configuration E-9 209
Figure E-7: Status Screen 209
Figure E-10: Status Screen 212
Figure E-11: ping 172.23.9.1 213
(Telecommuter Example) 214
Policy screen 215
Glossary 231
2 Glossary 232
4 Glossary 234

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