Netgear 54 Mbps Wireless ADSL Firewall DG834G User Manual Page 79
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Wireless ADSL2+ Modem Router DG834G User Manual
Advanced Configuration 5-3
v1.0, May 2008
Setting Up a Default DMZ Server
The default DMZ server feature is helpful when you are using some online games and
videoconferencing applications that are incompatible with NAT. The modem router is programmed
to recognize some of these applications and to work properly with them, but there are other
applications that may not function well. In some cases, one local computer can run the application
properly if that computer’s IP address is entered as the default DMZ server.
Incoming traffic from the Internet is normally discarded by the modem router unless the traffic is a
response to one of your local computers or a service that you have configured in the Ports screen.
Instead of discarding this traffic, you can have it forwarded to one computer on your network. This
computer is called the default DMZ server.
To assign a computer or server to be a default DMZ server:
1. Go to the WAN Setup screen as described in the previous section.
2. Select the Default DMZ Server check box.
3. Type the IP address for that server.
4. Click Apply to save your changes.
Respond to Pin on Internet
WAN Port
If you want the modem router to respond to a ping from the Internet,
select this check box. This should be used only as a diagnostic tool,
since it allows your modem router to be discovered. Do not select this
check box unless you have a specific reason to do so.
MTU Size (in bytes) The normal MTU (Maximum Transmit Unit) value for most Ethernet
networks is 1500 bytes, or 1492 Bytes for PPPoE connections. For
some ISPs you might need to reduce the MTU. This is rarely required,
and should not be done unless you are sure it is necessary for your ISP
connection.
Warning: For security reasons, you should avoid using the default DMZ server feature.
When a computer is designated as the default DMZ server, it loses much of
the protection of the firewall, and is exposed to many exploits from the
Internet. If compromised, the computer can be used to attack your network.
Table 5-1. WAN Setup Settings
Setting Description
- Wireless ADSL2+ Modem 1
- Router DG834G User 1
- FCC Statement 2
- Contents 7
- Appendix C 11
- Related Documents 11
- About This Manual 13
- How to Use This Manual 14
- How to Print this Manual 14
- Chapter 1 17
- Figure 1-1 19
- Figure 1-2 19
- Connection 20
- Figure 1-4 23
- Changing Your ADSL Settings 26
- Chapter 2 29
- Wireless Security Options 31
- Figure 2-2 33
- Table 2-1. Wireless Settings 34
- Figure 2-3 36
- –9, a–f, or A–F) 37
- Figure 2-4 39
- Figure 2-5 40
- Figure 2-6 41
- Figure 2-7 43
- Figure 2-8 44
- Figure 2-9 45
- Chapter 3 47
- Protecting Your Network 47
- 3-2 Protecting Your Network 48
- Figure 3-2 48
- Blocking Keywords and Sites 49
- 3-4 Protecting Your Network 50
- Firewall Rules 51
- 3-6 Protecting Your Network 52
- Figure 3-5 52
- Protecting Your Network 3-7 53
- Figure 3-6 53
- 3-8 Protecting Your Network 54
- Protecting Your Network 3-9 55
- Figure 3-7 55
- Services 56
- Protecting Your Network 3-11 57
- Figure 3-9 57
- Figure 3-10 57
- 3-12 Protecting Your Network 58
- Figure 3-11 58
- Scheduling Firewall Services 59
- 3-14 Protecting Your Network 60
- Chapter 4 61
- Managing Your Network 61
- Erasing the Configuration 62
- Managing Your Network 4-3 63
- Figure 4-2 63
- 4-4 Managing Your Network 64
- Figure 4-3 64
- Managing Your Network 4-5 65
- Viewing Statistics 66
- Viewing Connection Status 67
- Viewing Attached Devices 68
- Managing Your Network 4-9 69
- Figure 4-7 69
- 4-10 Managing Your Network 70
- Log Message Examples 71
- 4-12 Managing Your Network 72
- Figure 4-8 72
- Managing Your Network 4-13 73
- Enabling Remote Management 74
- Managing Your Network 4-15 75
- Figure 4-10 75
- 4-16 Managing Your Network 76
- Chapter 5 77
- Advanced Configuration 77
- 5-2 Advanced Configuration 78
- Figure 5-1 78
- Advanced Configuration 5-3 79
- 5-4 Advanced Configuration 80
- Figure 5-2 80
- Advanced Configuration 5-5 81
- Table 5-2. LAN IP Setup 81
- 5-6 Advanced Configuration 82
- Advanced Configuration 5-7 83
- Configuring Dynamic DNS 84
- Using Static Routes 85
- Configuring Static Routes 86
- Advanced Configuration 5-11 87
- Figure 5-5 87
- 5-12 Advanced Configuration 88
- Figure 5-6 88
- Advanced Configuration 5-13 89
- Figure 5-7 89
- 5-14 Advanced Configuration 90
- Figure 5-8 90
- Advanced Configuration 5-15 91
- Figure 5-9 91
- 5-16 Advanced Configuration 92
- DG834G v5 Modem Router 93
- 5-18 Advanced Configuration 94
- Chapter 6 95
- Virtual Private Networking 95
- Client-to-Gateway VPN Tunnels 96
- Planning a VPN 97
- VPN Tunnel Configuration 98
- DG834Gv5 100
- The Summary screen displays: 102
- Figure 6-7 103
- Figure 6-8 103
- Remote PC 104
- Figure 6-9 105
- Figure 6-10 106
- Figure 6-11 107
- Figure 6-12 107
- Figure 6-13 108
- Figure 6-14 109
- Figure 6-15 110
- Figure 6-16 110
- Figure 6-17 111
- Figure 6-18 111
- Figure 6-19 112
- Figure 6-20 114
- Figure 6-21 114
- Figure 6-22 115
- Figure 6-23 115
- Figure 6-24 116
- Figure 6-25 116
- Figure 6-26 117
- Figure 6-27 118
- Figure 6-28 118
- VPN Tunnel Control 119
- Figure 6-30 120
- Figure 6-33 122
- Figure 6-34 122
- Figure 6-35 123
- Deactivating a VPN Tunnel 124
- Deleting a VPN Tunnel 125
- Figure 6-39 126
- Figure 6-40 127
- . Your Internet IP address 129
- Figure 6-41 131
- Figure 6-42 132
- Figure 6-43 133
- Figure 6-44 134
- Figure 6-45 135
- Figure 6-46 136
- Chapter 7 139
- Troubleshooting 139
- Power LED Is Not On 140
- Power LED Is Red 140
- ADSL Link 141
- Obtaining a WAN IP Address 143
- 7-6 Troubleshooting 144
- Troubleshooting 7-7 145
- 7-8 Troubleshooting 146
- Problems with Date and Time 147
- 7-10 Troubleshooting 148
- Appendix A 149
- Technical Specifications 149
- A-2 Technical Specifications 150
- Appendix B 151
- NETGEAR VPN Configuration 151
- Step-By-Step Configuration 152
- NETGEAR VPN Configuration B-3 153
- Figure B-2 153
- B-4 NETGEAR VPN Configuration 154
- Figure B-3 154
- NETGEAR VPN Configuration B-5 155
- Figure B-4 155
- Figure B-5 155
- DG834G v5 with FQDN to FVL328 156
- B-8 NETGEAR VPN Configuration 158
- Figure B-7 158
- Figure B-8 158
- NETGEAR VPN Configuration B-9 159
- Figure B-9 159
- Figure B-10 159
- Figure B-11 160
- Figure B-12 161
- (Telecommuter Example) 162
- Figure B-14 163
- Figure B-15 164
- Figure B-16 165
- Figure B-17 166
- Figure B-18 167
- Figure B-19 168
- Figure B-20 168
- Figure B-21 169
- Figure B-22 170
- Figure B-23 171
- Figure B-24 171
- Figure B-25 172
- Figure B-26 173
- Figure B-27 174
- Figure B-28 174
- C-2 Related Documents 176
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