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Protecting & Monitoring Your Wireless Network
SURFboard® SBG6580 Wireless Cable Modem Gateway
User Guide
30
365-095-25397-x.1
Set Up Parental Controls
You can set up the following Parental Controls on your home network:
Allow or block access to specific Internet sites.
Allow or block access to specific MAC addresses.
Set time limitations for computer usage or Internet access
Note
: Any Parental Control filters that do not include assigned ports, will apply to all ports. This also applies
to MAC addresses as well.
You can also link each user on your network to specified rules for login, time-access, and content
filtering. See
Parental Control
for more information.
To set Parental Controls:
1.
From any screen, click the
Firewall-Parental Control
menu link or click the Firewall menu button
on the SBG6580 Main Menu and then select
Parental Control
.
Figure 28 – Parental Control-Change Time Zone Screen
2.
Click
Current Time Zone
drop-down button to select your time zone.
3.
Select
Yes
or
No
to automatically adjust the time for Daylight Saving Time.
4.
Click
Create
to continue setting up Parental Controls.
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Protecting & Monitoring Your Wireless Network
SURFboard® SBG6580 Wireless Cable Modem Gateway
User Guide
31
365-095-25397-x.1
Figure 29 – Firewall Parental Control Screen
5.
Enter a name for the user profile that you want to create in the Description field.
6.
Enter the 12-digit (hexadecimal) MAC address of the device for which you are creating Parental
Controls in the MAC Address field.
7.
Enter the web address of the Internet site that you want to block or access.
8.
Enter the Starting port number of the in the Start Port field.
9.
Enter the Ending port number of the in the End Port field.
10.
Select the days of the week that you want to allow the selected user to access the Internet.
11.
Select the time range that you want to allow the selected user to access the Internet.
12.
Select to
Allow
or
Block
Internet access for the time and days you set previously.
13.
Select
On
or
Off
in the Enabled field to enable or disable this Parental Control restriction.
14.
Click
Apply
, when done.
Set Up Port Triggers
You can use Port Triggers to configure dynamic triggers to specific devices on the LAN. This allows
special applications that require specific port numbers with bi-directional traffic to function properly.
Applications such as video conferencing, voice, gaming, and some messaging program features may
require these special settings.
Note
: If you enable the firewall and set up custom port triggers, then you must configure the firewall to allow
traffic through those custom ports.
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Protecting & Monitoring Your Wireless Network
SURFboard® SBG6580 Wireless Cable Modem Gateway
User Guide
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365-095-25397-x.1
To configure Port Triggers:
1.
Click
Advanced
on the SBG6580 Main Menu bar.
2.
Click
Port Triggers
from the Advanced submenu options.
Figure 30 – Advanced Port Triggers Screen
3.
Click
Create Port Triggers
button to open the Add Port Triggering Entry window.
4.
Enter the starting port number for the port to be triggered in the Trigger Start Port field.
5.
Enter the ending port number for the port to be triggered in the Trigger End Port field.
6.
Enter the starting port number of the Port Trigger range in the Target Start Port field.
7.
Enter the ending port number of the Port Trigger range in the Target End Port field.
8.
Select
TCP
,
UDP
, or
BOTH
from the Protocol drop-down list.
9.
Enter a unique name in the Description field.
10.
Select
On
to enable IP port triggers or
Off
to disable them.
11.
Click
Apply
to create your port triggers.
Figure 31 – Create Port Triggers Screen
12.
Repeat steps 3 thru 11 for each additional port trigger that you want to create.
Page 44 / 74
Protecting & Monitoring Your Wireless Network
SURFboard® SBG6580 Wireless Cable Modem Gateway
User Guide
33
365-095-25397-x.1
Set Up the DMZ Host
WARNING!
The gaming DMZ host is not protected by the SBG6580 gateway firewall. It is
exposed to the Internet and thus vulnerable to attacks or hacking from any computer on
the Internet. Consider carefully before configuring a device to be in the DMZ.
You can configure one computer on your home network to be the DMZ Host. That computer will
operate outside of the SBG6580 firewall and allow remote access from the Internet to your computer,
gaming device, or other IP-enabled device. The DMZ Host feature will only allow outside users to have
direct access to the designated DMZ Host device and not your home network. See
DMZ Host
for more
information.
To create the DMZ Host:
1.
Click
Advanced
on the SBG6580 Main Menu bar.
2.
Click
DMZ Host
from the Advanced submenu options.
Figure 32 – Advanced DMZ Host Screen
3.
Enter the last one to three digits (from
2
to
254
) of the IP address of the computer or gaming device
that you are setting up as the DMZ host.
4.
Click
Apply
.
Note
: Remember to reset the IP address back to
0
(zero) to close all the ports when you are finished with the
needed application. If you do not reset the IP address, that computer will be exposed to the public Internet.
Store Remote Firewall Logs
You can store firewall attack reports or logs on a computer in your home, so that multiple instances can
be logged over a period of time. You can select individual attack or configuration items to send to the
SysLog server, so that only the items of interest will be monitored.
Note
: The SysLog server must be on the same network as the Private LAN behind the Configuration Manager
(typically
192.168.0.x
).
To store remote Firewall logs:
1.
Click the
Firewall-Remote Log
menu link or click the Firewall menu button on the SBG6580 Main
Menu and then select
Remote Log
.
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Protecting & Monitoring Your Wireless Network
SURFboard® SBG6580 Wireless Cable Modem Gateway
User Guide
34
365-095-25397-x.1
Figure 33 – Firewall Remote Log Screen
2.
Select all desired event types that you want to monitor. This will activate the SysLog monitoring
feature.
3.
Enter the last digits from
10
to
254
of the SysLog server’s IP address.
Note
: Normally, the IP address of this SysLog server is hard-coded so that the address always agrees with
the entry on this page.
4.
Click
Apply
.

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