Configuring Your Wireless Network

26

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

password contains no dictionary words from any language, and is a mixture of both

uppercase and lowercase letters, numbers, and symbols. Passwords can contain up to 30

characters.



To change the password:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Maintenance, select

Set Password

.

The following screen displays:

4.

Enter the new password twice.

5.

Click the

Apply

button.

Your changes are saved.

Note:

After changing the password, you are required to log in again to

continue the configuration. If you have backed up the modem router

settings previously, create a new backup so that the saved settings

file includes the updated password.

27

3

3.

Filtering Content

This chapter covers the following sections:

•

View Denial of Service Attack Logs

•

Limit Internet Site Access

•

Allow Unrestricted Access

•

Enable or Disable Modem Router Features

Filtering Content

28

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

View Denial of Service Attack Logs

A content filter log is a detailed record of the denial of service (DoS) attacks directed at your

network. You can set up email notification or you can view the logs on the modem router.



To view or set up notification of attacks by email:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Content Filtering, select

Logs

.

The following screen displays:

4.

Enter an email address.

This address is the full email address to which you want the modem router to send logs.

5.

Enter the SMTP server name.

Filtering Content

29

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

Type the outgoing SMTP mail server of your ISP. If you leave this field blank, the modem

router does not send logs.

6.

Select the E-mail Alerts

Enable

check box.

7.

Click the

Apply

button.

8.

Perform any of the following actions:

•

To refresh the display, click the

Refresh

button.

•

To send the log to the contact email address, click the

E-mail Log

button.

•

To clear the log entries from the display, click the

Clear Log

button.

Limit Internet Site Access

You can establish rules to limit access to certain Internet websites in one of two ways:

•

Blocking sites that contain certain words (like profanity or explicit sexual material)

•

Blocking access to certain domains (for example, adultXXXsiteXXX.com)



To block access to sites containing certain words:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.

The default user name is

admin

. The default password is

password

. The user name and

password are case-sensitive.

The modem router main menu displays.

3.

In the main menu, under Content Filtering, select

Block Sites

.

Filtering Content

30

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

The following screen displays:

4.

Select the Keyword Blocking

Enable

check box.

5.

In the keyword list field, enter the words you want to block.

6.

Click the

Add Keyword

button.

The keyword is added to the

Keyword List

.

7.

Click the

Apply

button.

Keyword blocking takes effect.



To allow a keyword that was previously blocked:

1.

Type

in the address field of your web browser.

A login screen displays.

2.

Enter the modem router user name and password.