Netgear 54 Mbps Wireless ADSL Firewall DG834G User Manual Page 47
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v1.0, May 2008
Chapter 3
Protecting Your Network
This chapter describes how to use the basic firewall features of the ADSL2+ Modem Wireless
Router to protect your network.
Protecting Access to Your ADSL2+ Modem Wireless Router
For security reasons, the modem router has its own user name and password. Also, after a period
of inactivity for a set length of time, the administrator login automatically disconnects. When
prompted, enter admin for the modem router user name and password for the modem router
password. You can use procedures in the following sections to change the modem router password
and the amount of time for the administrator’s login time-out.
NETGEAR recommends that you change this password to a more secure password. The ideal
password should contain no dictionary words from any language, and should be a mixture of both
upper and lower case letters, numbers, and symbols. Your password can be up to 30 characters.
Changing the Built-In Password
1. Log in to the modem router at its default LAN address of http://192.168.0.1 with its default
user name of admin, default password of password, or using whatever password and LAN
address you have chosen for the modem router.
Note: The user name and password are not the same as a user name or password you
might use to log in to your Internet connection.
Figure 3-1
- 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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