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Chapter 3.

Wireless Settings

N300 Wireless ADSL2+ Modem Router DGN2200

Security Options Settings

The Security Options section of the Wireless Settings screen lets you change the security

option and passphrase. The primary network for your preset modem router is already set up

with WPA2 and WPA security. NETGEAR recommends that you set up wireless security for

each guest network that you plan to use. For information about changing these settings, see

the following section,

Change WPA Security Option and Passphrase

, and

Set WEP

Encryption and Passphrase

on page

36.

Change WPA Security Option and Passphrase

1.

In the Security Options section, select the WPA option that you want.

2.

Enter the passphrase that you want to use. It is a text string from 8 to 63 characters.

3.

Click

Apply

.

Set WEP Encryption and Passphrase

1.

In the Security Options section of the Wireless Settings screen, select

WEP

:

Chapter 3.

Wireless Settings

|

37

N300 Wireless ADSL2+ Modem Router DGN2200

2.

Select the authentication type. The default is Automatic. Other choices are Open System

(any client can authenticate itself to the network) and Shared Key (a passphrase and a

four-way challenge are needed for authentication).

3.

Select the encryption strength setting, either 64 bit or 128 bit.

4.

Enter the four data encryption keys either manually or automatically. 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 field and

click

Generate

. The four key fields are automatically populated with key values.

•

Manual

. The number of hexadecimal digits that you enter depends on the encryption

strength setting:

-

For 64-bit WEP, enter 10 hexadecimal digits (any combination of 0–9, a–f, or

A–F).

-

For 128-bit WEP, enter 26 hexadecimal digits (any combination of 0–9, a–f, or

A–F).

5.

Select the radio button for the key you want to make active.

Make sure that you understand how the WEP key settings are configured in your wireless

adapter. Wireless adapter configuration utilities such as the one in Windows XP allow one

key entry, which has to match the default key you set in the modem router.

6.

Click

Apply

.

Wireless Guest Networks

A wireless guest network allows you to provide guests access to your wireless network

without prior authorization of each individual guest. You can configure wireless guest

networks and specify the security options for each wireless guest network.

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Chapter 3.

Wireless Settings

N300 Wireless ADSL2+ Modem Router DGN2200

To set up a wireless guest network:

1.

Select

Setup > Wireless Settings

.

2.

Select the radio button for the network profile that you want to set up.

3.

You can specify whether the SSID broadcast is enabled, and whether you want to allow the

guest to access your local network. You can also change the SSID.

•

NETGEAR strongly recommends that you change the SSID to a different name. Note

that the SSID is case-sensitive. For example, GuestNetwork is not the same as

Guestnetwork.

•

For guest networks, wireless security is disabled by default. NETGEAR strongly

recommends that you implement wireless security for the guest network.

4.

Select a security option for the guest network and specify the password.

5.

When you have finished making changes, click

Apply

.

Chapter 4.

Content Filtering Settings

|

39

4

4.

Content Filtering Settings

Keeping unwanted content out of your network

This chapter explains how to use the basic firewall features of the modem router to prevent

objectionable content from reaching the PCs and other devices connected to your network.

This chapter contains the following sections:

•

Logs

•

Keyword Blocking of HTTP Traffic

•

Firewall Rules to Control Network Access

•

Set Up Services

•

Set the Time Zone

•

Schedule Services

•

Enable Security Event Email Notification

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Chapter 4.

Content Filtering Settings

N300 Wireless ADSL2+ Modem Router DGN2200

Logs

The modem router logs security-related events such as denied incoming service requests,

hacker probes, and administrator logins. If you enable content filtering in the Block Sites

screen, the Logs screen show you when someone on your network tries to access a blocked

site. If you enable email notification, you will receive these logs in an email message.

To view the log, select

Content Filtering > Logs

. A screen similar to the following displays:

The Include in Log check boxes allow you to select which events are logged. You can write

the logs to a computer running a syslog program. To activate this feature, select

Broadcast

on LAN

, or enter the IP address of the server where the syslog file will be written. The

security log entries include the following information:

•

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.

•

Source port and interface

. The service port number of the initiating device, and whether

it originated from the LAN or WAN.

•

Destination

. The name or IP address of the destination device or website.

•

Destination port and interface

. The service port number of the destination device, and

whether it is on the LAN or WAN.