Reference Manual for the 54 Mbps ADSL Modem Wireless Router Model DG834G NETGEAR, Inc.
© 2006 by NETGEAR, Inc. All rights reserved. Trademarks NETGEAR is a trademark of Netgear, Inc. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Other brand and product names are registered trademarks or trademarks of their respective holders. Statement of Conditions In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without notice.
European Union Statement of Compliance Hereby, NETGEAR, Inc. declares that this modem router is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. Èesky [Czech] NETGEAR, Inc. tímto prohlašuje, že tento 54 Mbps ADSL Modem Wireless Router Model DG834G je ve shodì se základními požadavky a dalšími pøíslušnými ustanoveními smìrnice 1999/5/ES. Dansk [Danish] Undertegnede NETGEAR, Inc.
Nederlands [Dutch] Hierbij verklaart NETGEAR, Inc. dat het toestel 54 Mbps ADSL Modem Wireless Router Model DG834G in overeenstemming is met de essentiële eisen en de andere relevante bepalingen van richtlijn 1999/5/EG. Malti [Maltese] Hawnhekk, NETGEAR, Inc., jiddikjara li dan 54 Mbps ADSL Modem Wireless Router Model DG834G jikkonforma mal-tiijiet essenzjali u ma provvedimenti orajn relevanti li hemm fid-Dirrettiva 1999/5/EC. Magyar [Hungarian] Alulírott, NETGEAR, Inc.
Certificate of the Manufacturer/Importer It is hereby certified that the 54 Mbps ADSL Modem Wireless Router Model DG834G has been suppressed in accordance with the conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, test transmitters) in accordance with the regulations may, however, be subject to certain restrictions. Please refer to the notes in the operating instructions.
Channel The Wireless Channel sets the radio frequency used for communication. Access Points use a fixed Channel. You can select the Channel used. This allows you to choose a Channel which provides the least interference and best performance. In the USA and Canada, 11 channel are available. In the Europe, 1-13 channel are available. If using multiple Access Points, it is better if adjacent Access Points use different Channels to reduce interference.
Contents Reference Manual for the ADSL Modem Wireless Router DG834G Chapter 1 About This Manual Audience, Scope, Conventions, and Formats ................................................................1-1 How to Print this Manual .................................................................................................1-2 Chapter 2 Introduction About the Modem Router ...............................................................................................2-1 Key Features .....................
How to Restrict Wireless Access to Your Network ...................................................3-7 Choosing WEP Authentication and Security Encryption Methods .........................3-10 How to Configure WEP ..........................................................................................3-12 How to Configure WPA-PSK ..................................................................................3-13 How to Configure WPA-802.1x ...............................................................
Viewing Attached Devices ........................................................................................5-9 Viewing, Selecting, and Saving Logged Information ................................................5-9 Examples of Log Messages ...................................................................................5-12 Enabling Security Event E-mail Notification .................................................................5-13 Running Diagnostic Utilities and Rebooting the Modem Router ......
VPN Tunnel Control ......................................................................................................7-29 Activating a VPN Tunnel ........................................................................................7-29 Verifying the Status of a VPN Tunnel .....................................................................7-33 Deactivating a VPN Tunnel ....................................................................................7-35 Deleting a VPN Tunnel .....................
Step-By-Step Configuration ..................................................................................... B-8 Configuration Summary (Telecommuter Example) ...................................................... B-14 Setting Up the Client-to-Gateway VPN Configuration (Telecommuter Example) ........ B-15 Step 1: Configuring the Client-to-Gateway VPN Tunnel on the VPN Router at the Employer’s Main Office .........................................................................................
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Chapter 1 About This Manual This chapter describes the intended audience, scope, conventions, and formats of this manual. Audience, Scope, Conventions, and Formats This reference manual assumes that the reader has basic to intermediate computer and Internet skills. However, basic computer network, Internet, firewall, and VPN technologies tutorial information is provided in the Appendices and on the Netgear website. Note: Product updates are available on the NETGEAR, Inc. Web site at http://kbserver.
Reference Manual for the ADSL Modem Wireless Router DG834G Warning: Ignoring this type of note may result in a malfunction or damage to the equipment. Danger: This is a safety warning. Failure to take heed of this notice may result in personal injury or death. This manual is written for the ADSL Modem Wireless Router according to these specifications: Table 1-2.
Reference Manual for the ADSL Modem Wireless Router DG834G — Click the print icon in the upper left of the window. Tip: If your printer supports printing two pages on a single sheet of paper, you can save paper and printer ink by selecting this feature. • Printing the Full Manual. Use the Complete PDF Manual link at the top left of any page. — Click the Complete PDF Manual link at the top left of any page in the manual. The PDF version of the complete manual opens in a browser window.
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Chapter 2 Introduction This chapter describes the features of the NETGEAR 54 Mbps ADSL Modem Wireless Router Model DG834G. The ADSL Modem Wireless Router is a combination of a built-in ADSL modem, modem router, 4-port switch, and firewall which enables your entire network to safely share an Internet connection that otherwise would be used by a single computer.
Reference Manual for the ADSL Modem Wireless Router DG834G Key Features The ADSL Modem Wireless Router provides the following features: • A built-in ADSL modem • A powerful, true firewall • 802.
Reference Manual for the ADSL Modem Wireless Router DG834G 802.11 Standards-based Wireless Networking The ADSL Modem Wireless Router includes an 802.11g-compliant wireless access point, providing continuous, high-speed 10/100 Mbps access between your wireless and Ethernet devices. The access point provides: • 802.11g Standards-based wireless networking at up to 54 Mbps • Works with both 802.11g and 802.
Reference Manual for the ADSL Modem Wireless Router DG834G • Visual monitoring The modem router’s front panel LEDs provide an easy way to monitor its status and activity. • Flash erasable programmable read-only memory (EPROM) for firmware upgrades. Protocol Support The DG834G v3 supports Transmission Control Protocol/Internet Protocol (TCP/IP) and Routing Information Protocol (RIP). “Internet Networking and TCP/IP Addressing” in Appendix C provides further information on TCP/IP.
Reference Manual for the ADSL Modem Wireless Router DG834G • Dynamic DNS Dynamic DNS services allow remote users to find your network using a domain name when your IP address is not permanently assigned. The modem router contains a client that can connect to many popular Dynamic DNS services to register your dynamic IP address. • Universal Plug and Play (UPnP) UPnP is a networking architecture that provides compatibility between networking technologies.
Reference Manual for the ADSL Modem Wireless Router DG834G Content Filtering With its content filtering feature, the DG834G v3 prevents objectionable content from reaching your PCs. The modem router allows you to control access to Internet content by screening for keywords within Web addresses. You can configure the modem router to log and report attempts to access objectionable Internet sites.
Reference Manual for the ADSL Modem Wireless Router DG834G What’s in the Box? The product package should contain the following items: • • • • • • • • 54 Mbps ADSL Modem Wireless Router Model DG834G AC power adapter (varies by region) Category 5 (Cat 5) Ethernet cable Telephone cable with RJ-11 connector Microfilters (quantity and type vary by region) DG834G ADSL Modem Wireless Router Resource CD, including this guide Two plastic feet that can be used to stand the ADSL Modem Wireless Router on end Warranty
Reference Manual for the ADSL Modem Wireless Router DG834G The Router’s Front Panel The front panel shown below contains status LEDs. 1 2 Figure 2-1 3 4 5 You can use the LEDs to verify various conditions. Table 2-1 describes each LED. Table 2-1. LED Descriptions Label Activity Description 1. Power On Off Power is supplied to the router. Power is not supplied to the router. 2. Test On Off The system is initializing. The system is ready and running. 3.
Reference Manual for the ADSL Modem Wireless Router DG834G The Router’s Rear Panel The rear panel of the 54 Mbps ADSL Modem Wireless Router Model DG834G (Figure 2-2) contains port connections. 2 1 4 3 5 Figure 2-2 Viewed from left to right, the rear panel contains the following elements: 1. RJ-11 ADSL port for connecting the firewall to an ADSL line 2. Four Local Ethernet RJ-45 LAN ports for connecting the firewall to the local computers 3. Factory Default Reset push button 4.
Reference Manual for the ADSL Modem Wireless Router DG834G Connecting the Router to the Internet To connect your ADSL Modem Wireless Router to the Internet, refer to the ADSL Modem Wirelesss Router Setup Manual on the DG834G ADSL Modem Wireless Router Resource CD or online as shown in the following table. Table 2-2. Language URL Dutch http://documentation.netgear.com/dg834g/nld/208-10039-01/ English http://documentation.netgear.com/dg834g/enu/208-10033-01/ French http://documentation.netgear.
Chapter 3 Wireless Configuration This chapter describes how to configure the wireless features of your 54 Mbps ADSL Modem Wireless Router Model DG834G. Considerations for a Wireless Network In planning your wireless network, you should consider the level of security required. You should also select the physical placement of your modem router in order to maximize the network speed.
Reference Manual for the ADSL Modem Wireless Router DG834G The time it takes to establish a wireless connection can vary depending on both your security settings and placement. WEP connections can take slightly longer to establish. Also, WEP encryption can consume more battery power on a notebook computer. Implement Appropriate Wireless Security Note: Indoors, computers can connect over 802.11g wireless networks at a maximum range of up to 300 feet.
Reference Manual for the ADSL Modem Wireless Router DG834G • WEP. Wired Equivalent Privacy (WEP) data encryption provides data security. WEP Shared Key authentication and WEP data encryption will block all but the most determined eavesdropper. • WPA. Wi-Fi Protected Access (WPA) data encryption provides data security. The very strong authentication along with dynamic per frame re-keying of WPA make it virtually impossible to compromise.
Reference Manual for the ADSL Modem Wireless Router DG834G The following parameters are in the Wireless Settings menu: • Wireless Network. — Name (SSID). The Service Set ID, also known as the wireless network name. Enter a value of up to 32 alphanumeric characters. The same Name (SSID) must be assigned to all wireless devices in your network. The default SSID is NETGEAR, but NETGEAR strongly recommends that you change your network Name to a different value. Note: This value is case sensitive.
Reference Manual for the ADSL Modem Wireless Router DG834G — Wireless Isolation. If enabled, Wireless Stations will not be able to communicate with each other or with Stations on the wired network. This feature should normally be disabled. • Wireless Station Access List. — By default, any wireless computer that is configured with the correct wireless network name or SSID will be allowed access to your wireless network.
Reference Manual for the ADSL Modem Wireless Router DG834G Table 3-1. Wireless Security Options (continued) Field Description WPA-PSK (WiFi Protected Access PreShared Key) WPA Pre-Shared-Key uses a pre-shared key to perform the authentication and generate the initial data encryption keys. Then, it dynamically varies the encryption key. For a full explanation of WPA, see “Wireless Communications” in Appendix C. Note: Not all wireless adapters support WPA.
Reference Manual for the ADSL Modem Wireless Router DG834G 4. Set the Region. Select the region in which the wireless interface will operate. 5. Set the Channel. The default channel is 11. This field determines which operating frequency will be used. It should not be necessary to change the wireless channel unless you notice interference problems with another nearby wireless router or access point.
Reference Manual for the ADSL Modem Wireless Router DG834G These options are discussed below. Figure 3-3 Restricting Access to Your Network by Turning Off Wireless Connectivity You can completely turn off the wireless portion of the DG834G v3. For example, if your notebook computer is used to wirelessly connect to your router and you take a business trip, you can turn off the wireless portion of the router while you are traveling.
Reference Manual for the ADSL Modem Wireless Router DG834G 2. From the Wireless Settings menu, Wireless Station Access List section, click the Setup Access List button to display the list, shown below: Figure 3-4 3. Select the Turn Access Control On check box to enable restricting wireless computers by their MAC addresses. 4. If the wireless station is currently connected to the network, you can select it from the Available Wireless Stations list.
Reference Manual for the ADSL Modem Wireless Router DG834G You can copy and paste the MAC addresses from the modem router’s Attached Devices menu into the MAC Address box of this menu. To do this, configure each wireless computer to obtain a wireless link to the modem router. The computer should then appear in the Attached Devices menu.
Reference Manual for the ADSL Modem Wireless Router DG834G Restricting wireless access prevents intruders from connecting to your network. However, the wireless data transmissions are still vulnerable to snooping. Using the WEP data encryption settings described below will prevent a determined intruder from eavesdropping on your wireless data communications.
Reference Manual for the ADSL Modem Wireless Router DG834G There are two methods for creating WEP encryption keys: • Passphrase. Enter a word or group of printable characters in the Passphrase box and click the Generate button. • Manual. 64-bit WEP: Enter 10 hexadecimal digits (any combination of 0-9, a-f, or A-F). 128-bit WEP: Enter 26 hexadecimal digits (any combination of 0-9, a-f, or A-F). Select the radio button for the key you want to make active.
Reference Manual for the ADSL Modem Wireless Router DG834G 7. Enter the encryption keys. You can manually or automatically program the four data encryption keys. These values must be identical on all computers and Access Points in your network. • Automatic — enter a word or group of printable characters in the Passphrase box and click the Generate button. The four key boxes will be automatically populated with key values. • Manual — enter hexadecimal digits (any combination of 0-9, a-f, or A-F).
Reference Manual for the ADSL Modem Wireless Router DG834G How to Configure WPA-802.1x Note: Not all wireless adapters support WPA. Consult the product document for your wireless adapter for instructions on configuring WPA settings. To configure WPA-802.1x, follow these steps: 1. Log in at the default LAN address of http://192.168.0.1, with the default user name of admin and default password of password, or using whatever LAN address and password you have set up. 2.
Chapter 4 Protecting Your Network This chapter describes how to use the basic firewall features of the 54 Mbps ADSL Modem Wireless Router Model DG834G to protect your network. It also describes how to configure Trend Micro Home Network Security. Protecting Access to Your 54 Mbps ADSL Modem Wireless Router Model DG834G 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 will automatically disconnect.
Reference Manual for the ADSL Modem Wireless Router DG834G 2. From the Main Menu of the browser interface, under the Maintenance heading, select Set Password to bring up the menu shown. Figure 4-2 3. To change the password, first enter the old password, and then enter the new password twice. 4. Click Apply to save your changes. Note: After changing the password, you will be required to log in again to continue the configuration.
Reference Manual for the ADSL Modem Wireless Router DG834G Configuring Basic Firewall Services Basic firewall services you can configure include access blocking and scheduling of firewall security. These topics are presented below. Blocking Keywords, Sites, and Services The modem router provides a variety of options for blocking Internet based content and communications services. With its content filtering feature, the ADSL Modem Wireless Router prevents objectionable content from reaching your PCs.
Reference Manual for the ADSL Modem Wireless Router DG834G 2. Select the Block Sites link of the Security menu. Figure 4-3 3. To enable keyword blocking, select one of the following: • Per Schedule—to turn on keyword blocking according to the settings on the Schedule page. • Always—to turn on keyword blocking all of the time, independent of the Schedule page. 4. Enter a keyword or domain in the Keyword box, click Add Keyword, then click Apply.
Reference Manual for the ADSL Modem Wireless Router DG834G You can specify one trusted user, which is a computer that will be exempt from blocking and logging. Since the trusted user will be identified by an IP address, you should configure that computer with a fixed IP address. 7. Click Apply to save your settings. Note: The Block Sites feature is disabled when the Trend Micro Home Security feature is enabled. This is because the Trend security system has incorporates its own siteblocking capability.
Reference Manual for the ADSL Modem Wireless Router DG834G To access the rules configuration of the DG834G v3, click the Firewall Rules link on the main menu, then click Add for either an Outbound or Inbound Service. Figure 4-4 • • • To edit an existing rule, select its button on the left side of the table and click Edit. To delete an existing rule, select its button on the left side of the table and click Delete.
Reference Manual for the ADSL Modem Wireless Router DG834G Remember that allowing inbound services opens holes in your firewall. Only enable those ports that are necessary for your network. Following are two application examples of inbound rules: Inbound Rule Example: A Local Public Web Server If you host a public Web server on your local network, you can define a rule to allow inbound Web (HTTP) requests from any outside IP address to the IP address of your Web server at any time of day.
Reference Manual for the ADSL Modem Wireless Router DG834G • • WAN Users—These settings determine which packets are covered by the rule, based on their source (WAN) IP address. Select the desired option: – Any — all IP addresses are covered by this rule. – Address range — if this option is selected, you must enter the Start and Finish fields. – Single address — enter the required address in the Start field. Log—You can select whether the traffic will be logged.
Reference Manual for the ADSL Modem Wireless Router DG834G Considerations for Inbound Rules If your external IP address is assigned dynamically by your ISP, the IP address may change periodically as the DHCP lease expires. Consider using the Dynamic DNS feature in the Advanced menu so that external users can always find your network. If the IP address of the local server computer is assigned by DHCP, it may change when the computer is rebooted.
Reference Manual for the ADSL Modem Wireless Router DG834G Outbound Rule Example: Blocking Instant Messenger If you want to block Instant Messenger usage by employees during working hours, you can create an outbound rule to block that application from any internal IP address to any external address according to the schedule that you have created in the Schedule menu. You can also have the modem router log any attempt to use Instant Messenger during that blocked period.
Reference Manual for the ADSL Modem Wireless Router DG834G • • WAN Users—These settings determine which packets are covered by the rule, based on their destination WAN IP address. Select the desired option: – Any — all IP addresses are covered by this rule. – Address range —if this option is selected, you must enter the Start and Finish fields. – Single address — enter the required address in the Start field. Log—You can select whether the traffic will be logged.
Reference Manual for the ADSL Modem Wireless Router DG834G For any traffic attempting to pass through the firewall, the packet information is subjected to the rules in the order shown in the Rules Table, beginning at the top and proceeding to the default rules at the bottom. In some cases, the order of precedence of two or more rules may be important in determining the disposition of a packet. The Move button allows you to relocate a defined rule to a new position in the table.
Reference Manual for the ADSL Modem Wireless Router DG834G • To edit an existing Service, select its button on the left side of the table and click Edit Service. • To delete an existing Service, select its button on the left side of the table and click Delete Service. 3. Use the page shown below to define or edit a service. Figure 4-10 4. Click Apply to save your changes.
Reference Manual for the ADSL Modem Wireless Router DG834G 2. Select the Schedule link of the Security menu to display menu shown below. Figure 4-11 3. Select your time zone. This setting will be used for the blocking schedule according to your local time zone and for time-stamping log entries. Select the Adjust for daylight savings time check box if your time zone is currently in daylight savings time.
Reference Manual for the ADSL Modem Wireless Router DG834G How to Schedule Firewall Services If you enabled services blocking in the Block Services menu or Port forwarding in the Ports menu, you can set up a schedule for when blocking occurs or when access is not restricted. 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. 2.
Reference Manual for the ADSL Modem Wireless Router DG834G To begin using Home Network Security, configure the Security Service and Parental Controls menus on your ADSL Modem Wireless Router. Each screen has a GUI button to click that will take you to the Trend Micro Web site to open your Trend Micro account. Note: Because of overlapping functionality, the Block Sites feature, described in “How to Block Keywords and Sites” on page 4-3, is disabled if you enable Trend Micro Home Security.
Reference Manual for the ADSL Modem Wireless Router DG834G • Enable Trend Micro Security Services. Select this check box and then click Apply to enable the Security Service features on this page (automatic updates and Client Virus Protection Status information). • Automatically check for update components. Select this check box to automatically check for updates to Trend Micro scanning components. Choose the desired checking interval from the list, and then click Apply.
Reference Manual for the ADSL Modem Wireless Router DG834G Parental Controls Settings Click Parental Controls under Content Filtering on the Main menu to get the Trend Micro Parental Controls menu shown below: Click this banner to install the Trend Micro dashboard and set up your Trend Micro account. Figure 4-13: Trend Micro Parental Controls menu To configure Parental Controls: • Click Always to turn on Parental Controls all the time. • Click Never to turn off Parental Controls.
Reference Manual for the ADSL Modem Wireless Router DG834G To select Parental Controls Mode: • Click Use General Controls to select General mode. In General mode, one access profile applies to all users. • Click Use Per-User Controls to select Per-User mode. In Per-User mode, each user has an individual access profile. Note: When in Per-User mode, everyone accessing the Internet through the router is required to log in. To configure General mode: 1.
Reference Manual for the ADSL Modem Wireless Router DG834G • To create a custom profile, click Use Custom Settings and then select the check boxes as desired. (For additional choices, click More Categories). • To allow unrestricted Internet access, click No Restrictions. 4. Click Apply. To change a user’s account information: 1. Select the user’s name in the User Account Information table and then click Edit. 2. Make the desired changes, and then click Apply.
Reference Manual for the ADSL Modem Wireless Router DG834G • Illegal/Questionable: Sites that advocate or advise on performing illegal acts such as service theft, evading law enforcement, fraud, burglary techniques, and plagiarism. Also includes sites that provide or sell questionable educational materials, such as term papers. • Intimate Apparel/Swimsuit: Sites that contain images of swimsuits, intimate apparel, or other suggestive clothing.
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Chapter 5 Managing Your Network This chapter describes how to perform network management tasks with your 54 Mbps ADSL Modem Wireless Router Model DG834G. Backing Up, Restoring, or Erasing Your Settings The configuration settings of the ADSL Modem Wireless Router are stored in a configuration file in the modem router. This file can be backed up to your computer, restored, or reverted to factory default settings. The procedures below explain how to do these tasks.
Reference Manual for the ADSL Modem Wireless Router DG834G How to Restore the Configuration from a File 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 User Name, Password and LAN address you have chosen for the modem router. 2. From the Maintenance heading of the Main Menu, select the Settings Backup menu. 3.
Reference Manual for the ADSL Modem Wireless Router DG834G How to Upgrade the Modem Router Firmware NETGEAR recommends that you back up your configuration before doing a firmware upgrade. After the upgrade is complete, you may need to restore your configuration settings. 1. Download and unzip the new software file from NETGEAR. The Web browser used to upload new firmware into the modem router must support HTTP uploads. NETGEAR recommends using Microsoft Internet Explorer 5.
Reference Manual for the ADSL Modem Wireless Router DG834G Network Management Information The DG834G v3 provides a variety of status and usage information which is discussed below. Viewing Modem Router Status and Usage Statistics From the Main Menu, under Maintenance, click Modem Router Status to view this screen. Figure 5-3 The Modem Router Status menu provides status and usage information. 5-4 Managing Your Network v1.
Reference Manual for the ADSL Modem Wireless Router DG834G This screen shows the following parameters: Table 5-1. Menu 3.2 - Modem Router Status Fields Field Description Account Name The Host Name assigned to the modem router in the Basic Settings menu. Firmware Version This field displays the modem router firmware version. ADSL Port These parameters apply to the Internet (ADSL) port of the modem router.
Reference Manual for the ADSL Modem Wireless Router DG834G Table 5-1. Menu 3.2 - Modem Router Status Fields (continued) Field Description Downstream Speed The speed at which the modem is receiving data from the ADSL line. Upstream Speed The speed at which the modem is transmitting data to the ADSL line. VPI The Virtual Path Identifier setting. VCI The Virtual Channel Identifier setting.
Reference Manual for the ADSL Modem Wireless Router DG834G This screen shows the following statistics: Table 5-2. Router Statistics Fields Field Description WAN or LAN Port The statistics for the WAN (Internet) and LAN ports. Status The link status of the port. TxPkts The number of packets transmitted on this port since reset or manual clear. RxPkts The number of packets received on this port since reset or manual clear.
Reference Manual for the ADSL Modem Wireless Router DG834G Click the Connection Status button to display modem router connection status, shown below: Figure 5-5 This screen shows the following statistics: Table 5-3. Connection Status Fields for PPPoA Field Description Connection Time The time elapsed since the last connection to the Internet via the ADSL port. Connecting to Sender The connection status.
Reference Manual for the ADSL Modem Wireless Router DG834G Viewing Attached Devices The Attached Devices menu contains a table of all IP devices that the modem router has discovered on the local network. From the Main Menu of the browser interface, under the Maintenance heading, select Attached Devices to view the table, shown: Figure 5-6 For each device, the table shows the IP address, Device Name if available, and the Ethernet MAC address.
Reference Manual for the ADSL Modem Wireless Router DG834G An example of the logs file is shown below. Figure 5-7 5-10 Managing Your Network v1.
Reference Manual for the ADSL Modem Wireless Router DG834G Log entries are described in Table 5-4 below: Table 5-4. Security Log entry descriptions Field Description Date and Time The date and time the log entry was recorded. Description or Action The type of event and what action was taken if any. Source IP The IP address of the initiating device for this log entry.
Reference Manual for the ADSL Modem Wireless Router DG834G Selecting What Information to Log Besides the standard information listed above, you can choose to log additional information. Those optional selections are as follows: • Attempted access to blocked site • Connections to the Web-based interface of the modem router • Modem Router operation (start up, get time, etc.
Reference Manual for the ADSL Modem Wireless Router DG834G Dropped Packets Wed, 2002-05-22 07:15:15 - TCP packet dropped - Source:64.12.47.28,4787,WAN Destination:134.177.0.11,21,LAN - [Inbound Default rule match] Sun, 2002-05-22 12:50:33 - UDP packet dropped - Source:64.12.47.28,10714,WAN Destination:134.177.0.11,6970,LAN - [Inbound Default rule match] Sun, 2002-05-22 21:02:53 - ICMP packet dropped - Source:64.12.47.28,0,WAN Destination:134.177.0.
Reference Manual for the ADSL Modem Wireless Router DG834G • Turn e-mail notification on. Select this check box if you want to receive e-mail logs and alerts from the modem router. • Send alerts and logs via email. — Send To This E-mail Address Enter the e-mail address where you want to send the alerts and logs. Use a full e-mail address, such as ChrisXY@myISP.com. — Outgoing Mail Server. Enter the name or IP address of the outgoing SMTP mail server of your ISP (such as mail.myISP.com).
Reference Manual for the ADSL Modem Wireless Router DG834G Running Diagnostic Utilities and Rebooting the Modem Router The ADSL Modem Wireless Router has a diagnostics feature. You can use the diagnostics menu to perform the following functions from the modem router: • Ping an IP Address to test connectivity to see if you can reach a remote host. • Perform a DNS Lookup to test if an Internet name resolves to an IP address to verify that the DNS server configuration is working.
Reference Manual for the ADSL Modem Wireless Router DG834G Enabling Remote Management Using the Remote Management page, you can allow a user or users on the Internet to configure, upgrade and check the status of your 54 Mbps ADSL Modem Wireless Router Model DG834G. Tip: Be sure to change the modem router's default password to a very secure password. The ideal password should contain no dictionary words from any language, and should be a mixture of letters (both upper and lower case), numbers, and symbols.
Reference Manual for the ADSL Modem Wireless Router DG834G 4. Specify what external addresses will be allowed to access the modem router’s remote management. For security, restrict access to as few external IP addresses as practical: • To allow access from any IP address on the Internet, select Everyone. • To allow access from a range of IP addresses on the Internet, select IP address range. Enter a beginning and ending IP address to define the allowed range.
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Chapter 6 Advanced Configuration This chapter describes how to configure the advanced features of your 54 Mbps ADSL Modem Wireless Router Model DG834G.
Reference Manual for the ADSL Modem Wireless Router DG834G Setting Up A Default DMZ Server The Default DMZ Server feature is helpful when 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.
Reference Manual for the ADSL Modem Wireless Router DG834G 2. From the Main Menu, under Advanced, click the WAN Setup link to view the page shown: Figure 6-1 3. Select the Default DMZ Server check box. 4. Type the IP address for that server. 5. Click Apply to save your changes. Connect Automatically, as Required Normally, this option should be enabled, so that an Internet connection will be made automatically, whenever Internet-bound traffic is detected.
Reference Manual for the ADSL Modem Wireless Router DG834G Respond to Ping on Internet WAN Port If you want the modem router to respond to a 'ping' from the Internet, select the Respond to Ping on Internet WAN Port check box. This should only be used as a diagnostic tool, since it allows your modem router to be discovered. Do not select this box unless you have a specific reason to do so.
Reference Manual for the ADSL Modem Wireless Router DG834G These addresses are part of the Internet Engineering Task Force (IETF)-designated private address range for use in private networks, and should be suitable in most applications. If your network has a requirement to use a different IP addressing scheme, you can make those changes in this menu. Figure 6-2 The LAN TCP/IP Setup parameters are: • IP Address This is the LAN IP address of the modem router.
Reference Manual for the ADSL Modem Wireless Router DG834G • RIP Direction RIP (Router Information Protocol) allows a modem router to exchange routing information with other routers. The RIP Direction selection controls how the Modem Router sends and receives RIP packets. Both is the default. — When set to Both or Out Only, the modem router will broadcast its routing table periodically. — When set to Both or In Only, it will incorporate the RIP information that it receives.
Reference Manual for the ADSL Modem Wireless Router DG834G Specify the pool of IP addresses to be assigned by setting the Starting IP Address and Ending IP Address. These addresses should be part of the same IP address subnet as the router’s LAN IP address. Using the default addressing scheme, you should define a range between 192.168.0.2 and 192.168.0.254, although you may want to save part of the range for devices with fixed addresses.
Reference Manual for the ADSL Modem Wireless Router DG834G 4. Click Apply to enter the reserved address into the table. Note: The reserved address will not be assigned until the next time the computer contacts the router's DHCP server. Reboot the computer or access its IP configuration and force a DHCP release and renew. To edit or delete a reserved address entry: 1. Click the button next to the reserved address you want to edit or delete. 2. Click Edit or Delete. How to Configure LAN TCP/IP Settings 1.
Reference Manual for the ADSL Modem Wireless Router DG834G Configuring Dynamic DNS If your network has a permanently assigned IP address, you can register a domain name and have that name linked with your IP address by public Domain Name Servers (DNS). However, if your Internet account uses a dynamically assigned IP address, you will not know in advance what your IP address will be, and the address can change frequently.
Reference Manual for the ADSL Modem Wireless Router DG834G 2. From the Main Menu of the browser interface, under Advanced, select Dynamic DNS to display the page below. Figure 6-4 3. Access the Web site of one of the dynamic DNS service providers whose names appear in the ‘Service Provider’ box, and register for an account. For example, for dyndns.org, go to www.dyndns.org. 4. Select the Use a dynamic DNS service check box. 5. Select the name of your dynamic DNS Service Provider. 6.
Reference Manual for the ADSL Modem Wireless Router DG834G Using Static Routes Static Routes provide additional routing information to your router. Under normal circumstances, the router has adequate routing information after it has been configured for Internet access, and you do not need to configure additional static routes. You must configure static routes only for unusual cases such as multiple routers or multiple IP subnets located on your network.
Reference Manual for the ADSL Modem Wireless Router DG834G How to Configure Static Routes 1. Log in to the 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 User Name, Password and LAN address you have chosen for the router. 2. From the Main Menu of the browser interface, under Advanced, click Static Routes to view the Static Routes menu, shown in Figure 6-5. Figure 6-5 3. To add or edit a Static Route: a.
Reference Manual for the ADSL Modem Wireless Router DG834G d. Select Active to make this route effective. e. Type the Destination IP Address of the final destination. f. Type the IP Subnet Mask for this destination. If the destination is a single host, type 255.255.255.255. g. Type the Gateway IP Address, which must be a router on the same LAN segment as the router. h. Type a number between 1 and 15 as the Metric value. This represents the number of routers between your network and the destination.
Reference Manual for the ADSL Modem Wireless Router DG834G • Advertisement Period: The Advertisement Period is how often the Router will advertise (broadcast) its UPnP information. This value can range from 1 to 1440 minutes. The default period is for 30 minutes. Shorter durations will ensure that control points have current device status at the expense of additional network traffic. Longer durations may compromise the freshness of the device status but can significantly reduce network traffic.
Chapter 7 Virtual Private Networking This chapter describes how to use the virtual private networking (VPN) features of the ADSL Modem Wireless Router. VPN communications paths are called tunnels. VPN tunnels provide secure, encrypted communications between your local network and a remote network or computer. See “Virtual Private Networking (VPN)” in Appendix C to learn more about VPN.
Reference Manual for the ADSL Modem Wireless Router DG834G Overview of VPN Configuration Two common scenarios for configuring VPN tunnels are between a remote personal computer and a network gateway and between two or more network gateways. The DG834G v3 supports both of these types of VPN configurations. The ADSL Modem Wireless Router supports up to five concurrent tunnels.
Reference Manual for the ADSL Modem Wireless Router DG834G Gateway-to-Gateway VPN Tunnels • Gateway-to-Gateway VPN Tunnels provide secure access between networks, such as a branch or home office and a main office. DG834G VPN Firewall VPN Tunnel A DG834G VPN Firewall B PCs PCs Figure 7-2 A VPN between two or more NETGEAR VPN-enabled routers is a good way to connect branch or home offices and business partners over the Internet.
Reference Manual for the ADSL Modem Wireless Router DG834G Planning a VPN When you set up a VPN, it is helpful to plan the network configuration and record the configuration parameters on a worksheet: Table 7-1.
Reference Manual for the ADSL Modem Wireless Router DG834G • Will the remote end be any device on the remote LAN, a portion of the remote network (as defined by a subnet or by a range of IP addresses), or a single PC? • Will either endpoint use Fully Qualified Domain Names (FQDNs)? FQDNs supplied by Dynamic DNS providers (see “The Use of a Fully Qualified Domain Name (FQDN)” on page B-8) can allow a VPN endpoint with a dynamic IP address to initiate or respond to a tunnel request.
Reference Manual for the ADSL Modem Wireless Router DG834G VPN Tunnel Configuration There are two tunnel configurations and three ways to configure them: • Use the VPN Wizard to configure a VPN tunnel (recommended for most situations): — See “How to Set Up a Client-to-Gateway VPN Configuration” on page 7-7. — See “How to Set Up a Gateway-to-Gateway VPN Configuration” on page 7-21.
Reference Manual for the ADSL Modem Wireless Router DG834G How to Set Up a Client-to-Gateway VPN Configuration 22.23.24.25 VPN Tunnel DG834G 0.0.0.0 192.168.3.
Reference Manual for the ADSL Modem Wireless Router DG834G Table 7-3.
Reference Manual for the ADSL Modem Wireless Router DG834G 1. Log in to the DG834G v3 at its LAN address of http://192.168.0.1 with its default user name of admin and password of password. Click the VPN Wizard link in the main menu to display this screen. Click Next to proceed. Figure 7-4 2. Fill in the Connection Name and the pre-shared key, select the type of target end point, and click Next to proceed. Enter the new Connection Name: (e.g., RoadWarrior) Enter the pre-shared key: (e.g.
Reference Manual for the ADSL Modem Wireless Router DG834G The Summary screen below displays. Figure 7-6 7-10 Virtual Private Networking v1.
Reference Manual for the ADSL Modem Wireless Router DG834G To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link. Click Back to return to the Summary screen. 1 hour Figure 7-7 3. Click Done on the Summary screen to complete the configuration procedure. The VPN Policies menu below displays showing that the new tunnel is enabled. Figure 7-8 Virtual Private Networking 7-11 v1.
Reference Manual for the ADSL Modem Wireless Router DG834G To view or modify the tunnel settings, select the radio button next to the tunnel entry and click Edit. Note: Refer to “Using Auto Policy to Configure VPN Tunnels” on page 7-38 to enable the IKE keepalive capability on an existing VPN tunnel. Step 2: Configuring the NETGEAR ProSafe VPN Client on the Remote PC This procedure describes how to configure the NETGEAR ProSafe VPN Client.
Reference Manual for the ADSL Modem Wireless Router DG834G b. From the Edit menu of the Security Policy Editor, click Add, then Connection. Figure 7-9 A “New Connection” listing appears in the list of policies. Rename the “New Connection” so that it matches the Connection Name you entered in the VPN Settings of the DG834G v3 on LAN A.
Reference Manual for the ADSL Modem Wireless Router DG834G h. Select the Connect using Secure Gateway Tunnel check box. i. Select IP Address in the ID Type menu below the check box. j. Enter the public WAN IP Address of the DG834G v3 in the field directly below the ID Type menu. In this example, 22.23.24.25 would be used. k. The resulting Connection Settings are shown in Figure 7-10. 3. Configure the Security Policy in the NETGEAR ProSafe VPN Client software: a.
Reference Manual for the ADSL Modem Wireless Router DG834G a. In the Network Security Policy list on the left side of the Security Policy Editor window, click on My Identity. Figure 7-11 b. Choose None in the Select Certificate menu. c. Select IP Address in the ID Type menu. If you are using a virtual fixed IP address, enter this address in the Internal Network IP Address box. Otherwise, leave this box empty. d. In the Internet Interface box, select the adapter you use to access the Internet.
Reference Manual for the ADSL Modem Wireless Router DG834G e. Click the Pre-Shared Key button. In the Pre-Shared Key dialog box, click the Enter Key button. Enter the DG834G v3's Pre-Shared Key and click OK. In this example, 12345678 is entered. This field is case sensitive. Figure 7-12 5. Configure the VPN Client Authentication Proposal. In this step, you will provide the type of encryption (DES or 3DES) to be used for this connection.
Reference Manual for the ADSL Modem Wireless Router DG834G c. In the Authentication Method menu, select Pre-Shared key. d. In the Encrypt Alg menu, select the type of encryption to correspond with what was configured for the Encryption Protocol in the DG834G v3 in Table 7-3 on page 7-8. In this example, use Triple DES. e. In the Hash Alg menu, select SHA-1. f. In the SA Life menu, select Unspecified. g. In the Key Group menu, select Diffie-Hellman Group 2. 6.
Reference Manual for the ADSL Modem Wireless Router DG834G f. In the Hash Alg menu, select SHA-1. g. In the Encapsulation menu, select Tunnel. h. Leave the Authentication Protocol (AH) checkbox unchecked. 7. Save the VPN Client Settings. From the File menu at the top of the Security Policy Editor window, select Save.
Reference Manual for the ADSL Modem Wireless Router DG834G This will cause a continuous ping to be sent to the first DG834G v3. After between several seconds and two minutes, the ping response should change from “timed out” to “reply.” Figure 7-16 Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the remote DG834G v3.
Reference Manual for the ADSL Modem Wireless Router DG834G 9. The Connection Monitor screen for this connection is shown below: Figure 7-18 In this example you can see the following: • • • The DG834G v3 has a public IP WAN address of 22.23.24.25. The DG834G v3 has a LAN IP address of 192.168.3.1. The VPN client PC has a dynamically assigned address of 192.168.2.2. While the connection is being established, the Connection Name field in this menu will say “SA” before the name of the connection.
Reference Manual for the ADSL Modem Wireless Router DG834G How to Set Up a Gateway-to-Gateway VPN Configuration Note: This section uses the VPN Wizard to set up the VPN tunnel using the VPNC default parameters listed in Table 7-2 on page 7-5. If you have special requirements not covered by these VPNC-recommended parameters, refer to “How to Set Up VPN Tunnels in Special Circumstances” on page 7-38 to set up the VPN tunnel.
Reference Manual for the ADSL Modem Wireless Router DG834G Table 7-4.
Reference Manual for the ADSL Modem Wireless Router DG834G Figure 7-20 2. Fill in the Connection Name and the pre-shared key, select the type of target end point, and click Next to proceed. Enter the new Connection Name: (e.g., GtoG) Enter the pre-shared key: (e.g., 12345678) Select the radio button: A remote VPN Gateway Figure 7-21 Virtual Private Networking 7-23 v1.
Reference Manual for the ADSL Modem Wireless Router DG834G 3. Fill in the IP Address or FQDN for the target VPN endpoint WAN connection and click Next. Enter the WAN IP address of the remote VPN gateway: (e.g., 22.23.24.25) Figure 7-22 4. Identify the IP addresses at the target endpoint which can use this tunnel, and click Next. Enter the LAN IP settings of the remote VPN gateway: • IP Address (e.g., 192.168.3.1) • Subnet Mask (e.g., 255.255.255.0) Figure 7-23 7-24 Virtual Private Networking v1.
Reference Manual for the ADSL Modem Wireless Router DG834G The Summary screen below displays. Figure 7-24 Virtual Private Networking 7-25 v1.
Reference Manual for the ADSL Modem Wireless Router DG834G To view the VPNC recommended authentication and encryption settings used by the VPN Wizard, click the “here” link (see Figure 7-24). Click Back to return to the Summary screen. 1 hour Figure 7-25 5. Click Done on the Summary screen (see Figure 7-24) to complete the configuration procedure. The VPN Settings menu below displays showing that the new tunnel is enabled. Figure 7-26 7-26 Virtual Private Networking v1.
Reference Manual for the ADSL Modem Wireless Router DG834G Note: Refer to “Using Auto Policy to Configure VPN Tunnels” on page 7-38 to enable the IKE keepalive capability on an existing VPN tunnel. 6. Repeat for the DG834G v3 on LAN B and pay special attention to use the following network settings as appropriate. • WAN IP of the remote VPN gateway (e.g., 14.15.16.17) • LAN IP settings of the remote VPN gateway: — IP Address (e.g, 192.168.0.1) — Subnet Mask (e.g., 255.255.255.0) — Preshared Key (e.g.
Reference Manual for the ADSL Modem Wireless Router DG834G a. Open the DG834G v3 management interface and click on VPN Status to get the VPN Status/Log screen (Figure 7-27). Figure 7-27 b. Click on VPN Status (Figure 7-29) to get the Current VPN Tunnels (SAs) screen (Figure 7-28). Click on Connect for the VPN tunnel you want to activate. Figure 7-28 c. Look at the VPN Status/Log screen (Figure 7-27) to verify that the tunnel is connected. 7-28 Virtual Private Networking v1.
Reference Manual for the ADSL Modem Wireless Router DG834G VPN Tunnel Control Activating a VPN Tunnel There are three ways to activate a VPN tunnel: • • • Use the VPN Status page. Activate the VPN tunnel by pinging the remote endpoint. Start using the VPN tunnel. Note: Refer to “Using Auto Policy to Configure VPN Tunnels” on page 7-38 to enable the IKE keepalive capability on an existing VPN tunnel.
Reference Manual for the ADSL Modem Wireless Router DG834G 3. Click on VPN Status (Figure 7-29) to get the Current VPN Tunnels (SAs) screen (Figure 7-30). Click on Connect for the VPN tunnel you want to activate. Figure 7-30 Activate the VPN Tunnel by Pinging the Remote Endpoint Note: This section uses 192.168.3.1 for an example remote endpoint LAN IP address. To activate the VPN tunnel by pinging the remote endpoint (e.g., 192.168.3.
Reference Manual for the ADSL Modem Wireless Router DG834G Figure 7-31: Running a Ping test to the LAN from the PC This will cause a continuous ping to be sent to the first DG834G v3. After between several seconds and two minutes, the ping response should change from “timed out” to “reply.” Note: Use Ctrl-C to stop the pinging. Figure 7-32 Once the connection is established, you can open the browser of the PC and enter the LAN IP address of the remote DG834G v3.
Reference Manual for the ADSL Modem Wireless Router DG834G b. ping 192.168.3.1. Figure 7-33 Note: The pings may fail the first time. If so, then try the pings a second time. Start Using a VPN Tunnel to Activate It To use a VPN tunnel, use a Web browser to go to a URL whose IP address or range is covered by the policy for that VPN tunnel. 7-32 Virtual Private Networking v1.
Reference Manual for the ADSL Modem Wireless Router DG834G Verifying the Status of a VPN Tunnel To use the VPN Status page to determine the status of a VPN tunnel, perform the following steps: 1. Log in to the Modem Router. 2. Open the DG834G v3 management interface and click on VPN Status to get the VPN Status/ Log screen (Figure 7-34). Figure 7-34 Log—this log shows the details of recent VPN activity, including the building of the VPN tunnel.
Reference Manual for the ADSL Modem Wireless Router DG834G 3. Click on VPN Status (Figure 7-29) to get the Current VPN Tunnels (SAs) screen. Figure 7-35 This table lists the following data for each active VPN Tunnel. • SPI—each SA has a unique SPI (Security Parameter Index) for traffic in each direction. For "Manual" key exchange, the SPI is specified in the Policy definition. For "Automatic" key exchange, the SPI is generated by the IKE protocol.
Reference Manual for the ADSL Modem Wireless Router DG834G Deactivating a VPN Tunnel Sometimes a VPN tunnel must be deactivated for testing purposes. There are two ways to deactivate a VPN tunnel: • • Policy table on VPN Policies page VPN Status page Using the Policy Table on the VPN Policies Page to Deactivate a VPN Tunnel To use the VPN Policies page to deactivate a VPN tunnel, perform the following steps: 1. Log in to the Modem Router. 2.
Reference Manual for the ADSL Modem Wireless Router DG834G 2. Open the DG834G v3 management interface and click on VPN Status to get the VPN Status/ Log screen (Figure 7-37). Figure 7-37 3. Click VPN Status (Figure 7-37) to get the Current VPN Tunnels (SAs) screen (Figure 7-38). Click Drop for the VPN tunnel you want to deactivate. Figure 7-38 7-36 Virtual Private Networking v1.
