Netgear Cg3100d2 Owners Manual

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Chapter 3 
Content Filtering
This chapter describes how to use content filteri ng s for the gateway. This chapter includes:
• “Viewing or E-mailing Logs ”
• “Blocking Keywords, Sites, and Services” on page  3-2
• “Services” on page  3-4
• “Port Forwarding” on page  3-5
Viewing or E-mailing Logs
Your gateway logs security-related events such as De nial of Service (DoS) attacks, hacker probes, 
and administrator logins, according  to your settings on this screen. If you have set up...

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To e-mail logs:
1.Fill in the Contact Email Address and SMTP Server Name fields.
2.Select the Enable check box for E-mail Alerts. 
3.Click Apply so that your changes take effect.
4.To e-mail the log now, click E-mail Log.
To delete all log entries, click Clear Log. To see the most recent entries, click Refresh. 
Blocking Keywords, Sites, and Services
The gateway provides a variety of options for blocking Internet...

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2.In the main menu, under Content Filtering, select Block Sites. The Block Sites screen displays.
Figure  3-2
 
3. T
o use keyword blocking, select the  Keyword Blocking Enable check box. You can enter up 
to eight keywords. After you have entered a ke yword in the field to the left of the Add 
Keyword button, click  Add Keyword. The keyword will be shown in the Keyword List.
Note the following:
• If the keyword...

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If the domain www.zzzyyqq.com is specified, the URL  
is blocked, along with all other  URLs in the www.zzzyyqq.com site.
To remove a domain from the Domain Li st, sele
 ct the domain, and then click Remove 
Domain .
5. Click  Ap
 ply to save your settings.
Services
You can use the Services screen to  disable certain gateway features. 
1. Log in to the gate
 way as described in “Logging In to Your Gateway” on page...

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•PPTP Pass-Through. PPTP traffic is forwarded. If you clear this check box then this traffic 
will be blocked. 
•Multicast. The gateway can pass multicasting streams through the firewall. 
•Port Scan Detection. When enabled, the gateway can respond to Internet-based port scans. 
•IP Flood Detection. Allows the is gateway to block malicious devices that are attempting to 
flood devices. 
• You can use the Web...

Figure 3-4
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3.From the  Service list, select the service or game that  you will host on your network. 
If the service does not appear in th e list, see 
 the following section, “Adding a Custom Rule” on 
page  3-6 .”
4. Click  Ad
 d. The service appears in  the list in the screen.
Adding a Custom Rule
To define rule that does not appear in the Servi ce list, you must first determine which port number 
or range of...

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4.In the Local IP Address field, enter the IP address of your local computer that will provide 
this service.
5.Click Apply. The service appears in the list.
Application Example: Making a Local Web Server Public
If you host a Web server on your local network, you can use port forwarding to allow Web requests 
from anyone on the Internet to reach your Web server.
To make a local Web server public:
1.Assign your Web...

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Chapter 4 
Managing Your Network 
This chapter describes how to perform network management tasks with your Voice Gateway. 
When you log in to the gateway, these tasks are grouped under Maintenance. 
This chapter includes:
•“Viewing the Modem Status”
•“Viewing the Connection Status” on page 4-4
•“Backing Up and Restoring Your Settings” on page 4-5
•“Changing the Built-In Password” on page 4-6
•“Running Diagnostic Utilities” on page 4-7
•“Viewing the Event Log” on page 4-10
Viewing the...

Figure 4-1
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The Modem Status screen fields are explained in the following table.
Ta b l e 4-1.  Modem Status Fields  
FieldDescription
Standard Specification 
Compl
 iant DOCSIS 3.0
Hardware Version
Software Version
Cable MAC Address The MAC address used by the cable modem port of the 
gatew

ay. This MAC address may need to be registered with 
your cable service provider.
Cable Modem Serial number The serial...