SMC SMCD3GN2-RES Router Manual PDF (Setup & Configuration Guide)

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Configuring Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

To enable URL blocking:

1. In the URL Blocking menu, check

Enable Keyword Blocking

if it is not checked and click

Apply

.

2. To exempt a computer from URL blocking, enter the computer’s MAC address in the

Add

exempted PC

field and click the

Add Trusted Host

button. The MAC address you entered

appears in the

Exempted PC List

.

–

Repeat this step for each additional computer (up to 10) you want to make exempt

from URL blocking.

–

To remove a computer from being exempted, use the

Delete

or

Delete All

buttons

next to the field to delete selected or all MAC addresses.

3. To block a site, click in the

Keyword/Domain Name

field, enter keyword or domain name

of the site you want to block, and click

Add Keyword

. The keyword or domain appears in

the

Blocked Keyword/Domain List

.

–

Repeat this step for each additional keyword or domain (up to 50) you want to make

exempt from URL blocking.

–

To remove a site from being blocked by a keyword or domain name, use the

Delete

or

Delete All

buttons next to the field to delete selected or all keywords and/or

domains.

4. Click

Apply

.

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Configuring Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

Configuring Schedule Rules

Schedule rules work with the Gateway’s URL blocking feature (described on page 90) to tell

the Gateway when to perform URL blocking.

To access the Schedule Rule menu, click

Firewall

in the menu bar and then click the

Schedule Rule

submenu in the menu bar. Figure 50 shows an example of the menu.

Note:

The

Schedule Rule

submenu is not available in the menu bar if

Enable Firewall

Module

is disabled in the Security Settings (Firewall) menu (see page 73).

Figure 50. Schedule Rule Menu

By default, the Gateway is configured to apply schedule rules to URL blocking 24 hours

every day. To change these settings:

1. To change the days when schedule rules are applied to URL blocking, uncheck

Every Day

under

Week Day

. Then check the days when you want to apply schedule rules to URL

blocking.

2. To change the hours when schedule rules are applied to URL blocking, uncheck

All Day

.

Then specify the start and end times when you want to apply schedule rules to URL

blocking. Select

AM

or

PM

, where AM refers to times from Midnight to Noon and PM refers

to times from Noon to Midnight.

3. Click

Apply

.

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Configuring Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

Configuring Email and Syslog Alerts

The Gateway inspects packets at the application layer, and stores TCP and UDP session

information, including timeouts and number of active sessions. This information Is helpful

when detecting and preventing Denial of Service (DoS) and other network attacks.

If you enabled the Gateway’s firewall or content-filtering feature, you can use the

Email/Syslog Alert menu to configure the Gateway to send email notifications or add entries

to the syslog when:

y

Traffic is blocked

y

Attempts are made to intrude onto the network

y

Local computers try to access block URLs

You can configure the Gateway to generate email notifications or syslog entries immediately

or at a preconfigured time.

To access the Email/Syslog Alert menu, click

Firewall

in the menu bar and then click the

Email/Syslog Alert

submenu in the menu bar. Figure 51 shows an example of the menu.

The menu has three sections:

y

The top area lets you configure the Gateway to send email notifications.

y

The middle area lets you configure the to add syslog entries.

y

The bottom area lets you define the alerting schedule.

Note:

The

Email/Syslog Alert

submenu is not available in the menu bar if

Enable Firewall

Module

is disabled in the Security Settings (Firewall) menu (see page 73).

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Configuring Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

Figure 51. Email/Syslog Alert Menu

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Configuring Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

Configuring Email Alerts

The following procedure describes how to configure the Gateway to send email notifications.

This procedure assumes that your mail server is working properly.

1. In the Email/Syslog Alert menu, under

Mail Server Configuration

, enter the following

information:

–

SMTP Server Address

= IP address of the SMTP server that will forward the email

notification to recipients.

–

Sender’s Email Address

= name that will appear as the sender in the email

notifications.

2. Under

Mail Server Authentication

, enter the following information:

–

User Name

= your email name.

–

Password

= your email password.

3. Under

Recipient list

, click

Add

. When the Recipient Adding menu appears (see Figure

52), enter the name of the person who will receive email notifications and the person’s

email address, and then click

Apply

. (Or click

Back

to return to the Email/Syslog Alert

menu or

Cancel

to cancel any selections you made.) If you clicked

Apply

, the email

account is added to the

Recipient list

. To send email to additional email accounts (up to

4), repeat this step.

4. To change the settings for an email recipient, click the radio button to the left of the

recipient you want to change and click the

Edit

button. When the Recipient Adding menu

appears, edit the settings as necessary and click

Apply

.

5. To delete an email recipient, click the radio button to the left of the recipient and click

Delete

. No precautionary message appears before you delete the email recipient.

6. Click

Apply

.

Figure 52. Recipient Adding Menu

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