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Инструкция по эксплуатации Страница: 80

Netgear DG834G Инструкция по эксплуатации онлайн [80/204] 16995

DG834G Reference Manual

5-22 Protecting Your Network

v3.0, September 2005

Содержание

Dg834g reference manual 1
Bestätigung des herstellers importeurs 2
En 55 022 declaration of conformance 2
Federal communications commission fcc compliance notice radio frequency notice 2
Federal communications commission fcc radiation exposure statement 2
Statement of conditions 2
Trademarks 2
V3 september 2005 2
Certificate of the manufacturer importer 3
Customer support 3
Http www netgear co 3
Product and publication details 3
V3 september 2005 3
Voluntary control council for interference vcci statement 3
World wide web 3
Contents 5
Dg834g reference manual 5
Audience scope conventions and formats 11
Chapter 1 about this manual 11
How to print this manual 12
About the adsl modem router 15
Chapter 2 introduction 15
A powerful true firewall 16
Key features 16
1 standards based wireless networking 17
Easy installation and management 17
Protocol support 18
Auto sensing and auto uplink lan ethernet connections 19
Virtual private networking vpn 19
Content filtering 20
Trend micro home network security 20
What s in the box 21
8 introduction 22
Dg834g reference manual 22
Figure 2 1 22
Table 2 1 led descriptions 22
The front panel shown below contains status leds 22
The router s front panel 22
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You can use the leds to verify various conditions table 2 1 describes each led 22
The router s rear panel 23
Chapter 3 connecting the router to the internet 25
Internet configuration requirements 25
What you need before you begin 25
Smart wizard setup 26
Two setup methods 1 smart wizard setup 2 manual setup 26
Adsl microfilter 27
Manual setup 27
Understanding adsl microfilters 27
Adsl microfilter with built in splitter 28
Computers set to dhcp 28
Manually setting up your adsl modem router 28
Auto detecting your internet connection type 34
Wizard detected pppoa login account setup 34
Wizard detected pppoe login account setup 34
Wizard detected dynamic ip account setup 35
Wizard detected ip over atm account setup 35
Testing your internet connection 36
Wizard detected fixed ip static account setup 36
How to perform manual configuration 38
Manually configuring your internet connection 38
Internet connection requires login and uses pppoe 39
Internet connection requires login and uses pppoa 40
Internet connection does note require a login 41
Adsl settings 42
Chapter 4 wireless configuration 43
Considerations for a wireless network 43
Observe performance placement and range guidelines 43
Implement appropriate wireless security 44
The following parameters are in the wireless settings menu 46
To configure the wireless interface of your adsl modem router click the wireless link in the main menu of the browser interface the wireless settings menu will appear as shown below 46
Understanding wireless settings 46
6 wireless configuration 48
Dg834g reference manual 48
Security options 48
Table 4 1 wireless security options 48
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How to set up and test basic wireless connectivity 49
How to restricting wireless access to your network 50
Restricting access to your network by turning off wireless connectivity 51
Restricting wireless access based on the wireless network name ssid 51
Restricting wireless access based on the wireless station access list 51
Choosing wep authentication and security encryption methods 53
Authentication type selection 54
Encryption choices 54
How to configure wep 55
How to configure wpa psk 56
How to configure wpa 802 x 57
Chapter 5 protecting your network 59
How to change the built in password 59
Protecting access to your 54 mbps wireless adsl modem router model dg834g 59
Changing the administrator login timeout 60
Configuring basic firewall services 60
Adsl modem router to perform these functions 61
Blocking keywords sites and services 61
How to block keywords and sites 61
Firewall rules 63
Inbound rules port forwarding 64
Inbound rule example a local public web server 65
Outbound rules service blocking 68
Order of precedence for rules 70
Services 70
How to define services 71
How to set your time zone 72
Setting times and scheduling firewall services 72
How to schedule firewall services 73
Trend micro home network security 73
Security service settings 74
Parental controls settings 76
To enable parental controls 76
To select parental controls mode 76
To configure general mode 77
To configure per user mode 77
Blocking criteria for potentially offensive categories 78
Parental controls logs 78
Backing up restoring or erasing your settings 81
Chapter 6 managing your network 81
How to back up the configuration to a file 81
How to erase the configuration 82
How to restore the configuration from a file 82
Upgrading the adsl modem router s firmware 82
How to upgrade the adsl modem router firmware 83
Network management information 83
4 managing your network 84
Dg834g reference manual 84
Figure 6 3 84
From the main menu under maintenance click adsl modem router status to view this screen 84
Table 6 1 menu 3 adsl modem router status fields 84
The adsl modem router status menu provides status and usage information 84
This screen shows the following parameters 84
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Viewing adsl modem router status and usage statistics 84
Dg834g reference manual 85
Managing your network 6 5 85
Table 6 1 menu 3 adsl modem router status fields 85
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6 managing your network 86
Click the show statistics button to display adsl modem router usage statistics as shown below 86
Dg834g reference manual 86
Figure 6 4 86
Table 6 1 menu 3 adsl modem router status fields 86
Table 6 1 router statistics fields 86
This screen shows the following statistics 86
V3 september 2005 86
Click the connection status button to display adsl modem router connection status as shown 87
Clicking the renew button updates the status information 87
Dg834g reference manual 87
Figure 6 5 87
Managing your network 6 7 87
Table 6 1 connection status fields for dynamic ip 87
This screen shows the following statistics 87
V3 september 2005 87
8 managing your network 88
An alternate view of the connection status screen is shown below 88
Clicking the renew button updates the status information 88
Dg834g reference manual 88
Figure 6 6 88
Table 6 1 connection status fields for pppoa 88
This screen shows the following statistics 88
V3 september 2005 88
Viewing attached devices 89
Viewing selecting and saving logged information 89
An example of the logs file is shown below 90
Date and time the date and time the log entry was recorded 90
Log entries are described in table 6 1 below 90
Examples of log messages 92
Enabling security event e mail notification 93
Running diagnostic utilities and rebooting the adsl modem router 94
Configuring remote management 95
Enabling remote management 95
Chapter 7 advanced configuration 97
Configuring advanced security 97
How to configure a default dmz server 98
Setting up a default dmz server 98
Connect automatically as required 99
Disable port scan and dos protection 99
Configuring lan ip settings 100
Mtu size 100
Respond to ping on internet wan port 100
Reserved ip addresses 103
Use router as dhcp server 103
How to configure lan tcp ip settings 104
Configuring dynamic dns 105
How to configure dynamic dns 105
Static route example 107
Using static routes 107
How to configure static routes 108
Universal plug and play upnp 109
Chapter 8 virtual private networking 111
Client to gateway vpn tunnels 112
Dg834g 112
Overview of vpn configuration 112
Vpn tunnel 112
Gateway to gateway vpn tunnels 113
Planning a vpn 113
Vpn tunnel 113
Vpn tunnel configuration 115
Dg834g 116
How to set up a client to gateway vpn configuration 116
Vpn tunnel 116
Step 1 configuring the client to gateway vpn tunnel on the dg834g 117
1 hour 118
8 hours 118
8 virtual private networking 118
Dg834g reference manual 118
Follow this procedure to configure a client to gateway vpn tunnel using the vpn wizard 118
Table 8 1 vpn tunnel configuration worksheet 118
V3 september 2005 118
The summary screen below displays 120
Step 2 configuring the netgear prosafe vpn client on the remote pc 122
A b vpn tunnel 130
How to set up a gateway to gateway vpn configuration 130
1 hour 131
8 hours 131
And password of 131
Click the vpn wizard link in the main menu to display this screen click next to proceed 131
Dg834g reference manual 131
Follow this procedure to configure a gateway to gateway vpn tunnel using the vpn wizard 131
Log in to the dg834g on lan a at its default lan address of http 192 68 with its default user name of 131
Note the lan ip address ranges of each vpn endpoint must be different the connection will fail if both are using the netgear default address range of 192 68 x 131
Passwor 131
Table 8 1 vpn tunnel configuration worksheet 131
V3 september 2005 131
Virtual private networking 8 21 131
Activating a vpn tunnel 137
Vpn tunnel control 137
Verifying the status of a vpn tunnel 140
Deactivating a vpn tunnel 142
Deleting a vpn tunnel 145
How to set up vpn tunnels in special circumstances 145
Using auto policy to configure vpn tunnels 146
A b vpn tunnel 151
1 hour 152
42 virtual private networking 152
8 hours 152
Dg834g reference manual 152
Table 8 1 vpn tunnel configuration worksheet 152
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Using manual policy to configure vpn tunnels 158
Basic functioning 161
Chapter 9 troubleshooting 161
Lan or wan port leds not on 162
Power led not on 162
Test led never turns on or test led stays on 162
Troubleshooting the web configuration interface 163
Adsl link 164
Troubleshooting the isp connection 164
Wan led blinking yellow 164
Wan led off 164
Obtaining a wan ip address 165
Troubleshooting internet browsing 166
Troubleshooting pppoe or pppoa 166
Testing the lan path to your router 167
Troubleshooting a tcp ip network using the ping utility 167
Testing the path from your computer to a remote device 168
Problems with date and time 169
Restoring the default configuration and password 169
Using the reset button 169
Appendix a technical specifications 171
Technical specifications a 1 171
This appendix provides technical specifications for the 54 mbps wireless adsl modem router model dg834g 171
V3 september 2005 171
Appendix b related documents 173
Http documentation netgear com reference enu glossary index htm 173
Http documentation netgear com reference enu tcpip index htm 173
Http documentation netgear com reference enu vpn index htm 173
Http documentation netgear com reference enu wireless index htm 173
Http documentation netgear com reference enu wsdhcp index htm 173
Related documents b 1 173
This appendix provides links to reference documents you can use to gain a more complete understanding of the technologies used in your netgear product 173
Appendix c netgear vpn configuration 175
Configuration profile 175
Dg834g to fvl328 175
C 2 netgear vpn configuration 176
Configure the dg834g as in the gateway to gateway procedures using the vpn wizard see how to set up a gateway to gateway vpn configuration on page 20 being certain to use appropriate network addresses for the environment 176
Dg834g reference manual 176
Figure c 1 addressing and subnet used for examples 176
Note product updates are available on the netgear inc web site at http kbserver netgear com dg834g asp 176
Step by step configuration 176
Table c 1 profile summary 176
V3 september 2005 176
Vpnc example network interface addressing 176
C 4 netgear vpn configuration 178
Click vpn policies under advanced vpn to invoke this screen 178
Dg834g reference manual 178
Figure c 2 viewing and editing the vpn parameters of the dg834g at gateway a 178
V3 september 2005 178
C 6 netgear vpn configuration 180
Click ike policies under vpn to invoke this screen 180
Click vpn policies under vpn to invoke this screen 180
Dg834g reference manual 180
Figure c 3 viewing and editing the vpn parameters of the fvl328 at gateway b 180
V3 september 2005 180
Configuration profile 181
Dg834g with fqdn to fvl328 181
C 8 netgear vpn configuration 182
Dg834g reference manual 182
Figure c 5 addressing and subnet used for examples 182
Many isps internet service providers provide connectivity to their customers using dynamic instead of static ip addressing this means that a user s ip address does not remain constant over time which presents a challenge for gateways attempting to establish vpn connectivity 182
Note product updates are available on the netgear inc web site at http kbserver netgear com dg834g asp 182
Table c 1 profile summary 182
The use of a fully qualified domain name fqdn 182
V3 september 2005 182
Vpnc example network interface addressing 182
Step by step configuration 183
Click show status the resulting screen should show update ok good see figure c 10 186
Configuration summary telecommuter example 188
Dg834g reference manual 189
Figure c 12 addressing and subnet used for telecommuter example 189
Netgear vpn configuration c 15 189
Setting up a vpn between a remote pc running the netgear prosafe vpn client and a network gateway involves the following two steps 189
Setting up the client to gateway vpn configuration telecommuter example 189
Step 1 configuring the client to gateway vpn tunnel on the vpn router at the employer s main office 189
Step 2 configuring the netgear prosafe vpn client on the remote pc at the telecommuter s home office configures the netgear prosafe vpn client endpoint 189
Table c 1 configuration summary telecommuter example 189
Telecommuter example 189
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Step 1 configuring the client to gateway vpn tunnel on the vpn router at the employer s main office 190
Step 2 configuring the netgear prosafe vpn client on the remote pc at the telecommuter s home office 192
Monitoring the vpn tunnel telecommuter example 200
Viewing the pc client s connection monitor and log viewer 200
Viewing the vpn router s vpn status and log information 202
Current vpn tunnels sas screen 203

Netgear DG834G Инструкция по эксплуатации онлайн [80/204] 16995

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