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Page 36 / 57 Scroll up to view Page 31 - 35
Protecting & Monitoring Your Wireless Network
SBG6782-AC Wireless Cable Modem & Router
•
User Guide
27
365-095-23865 x.1
Set Up Firewall Protection
You can set up firewall filters and firewall alert notifications on your wireless home network. You
can also block Java Applets, Cookies, ActiveX controls, popup windows, Proxies, and website
access. See
Protection Level
for more information.
To set the firewall protection level:
1.
From any screen, click the
Firewall-Protection Level
menu link or click the Firewall menu
button on the SBG6782-AC Main Menu and then select
Protection Level
.
Figure 17 – Firewall Protection Level Screen
2.
Click the Firewall Protection Setting drop-down button to select the firewall protection level.
Possible values:
Low
,
Medium
,
High
, or
Off
Note
: Selecting
Off
will disable firewall protection on your home network. Your computer(s)
and other Ethernet-enabled devices on your network will be at risk for possible attacks from
viruses and hackers.
3.
Select each Web filter that you want to set for the firewall and then click
Apply
.
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.
•
Enable or disable Internet session duration timers to limit the amount of time for 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.
Page 37 / 57
Protecting & Monitoring Your Wireless Network
SBG6782-AC Wireless Cable Modem & Router
•
User Guide
28
365-095-23865 x.1
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 SBG6782-AC Main Menu and then select
Parental Control
.
2.
Click
Current Time Zone
drop-down button to select your time zone.
Figure 18 – Parental Control-Change Time Zone Screen
3.
Select
Yes
or
No
to automatically adjust the time for Daylight Saving Time.
4.
Click
Create
to continue setting up Parental Controls.
Figure 19 – Firewall Parental Control Screen
Page 38 / 57
Protecting & Monitoring Your Wireless Network
SBG6782-AC Wireless Cable Modem & Router
•
User Guide
29
365-095-23865 x.1
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 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.
To configure Port Triggers:
1.
From any screen, click the
Advanced-Port Triggers
menu link or click the Advanced menu
button on the SBG6782-AC Main Menu and then select
Port Triggers
.
2.
Click
Create Port Triggers
button to open the Add Port Triggering Entry window.
Figure 20 – Advanced Port Triggers Screen
3.
Enter the starting port number of the Port Trigger range in the Trigger Start Port field.
4.
Enter the ending port number of the Port Trigger range in the Trigger End Port field.
5.
Enter the starting port number of the Port Trigger range in the Target Start Port field.
6.
Enter the ending port number of the Port Trigger range in the Target End Port field.
7.
Select
TCP
,
UDP
, or
Both
from the Protocol drop-down list.
8.
Select
On
to activate IP port triggers or
Off
to disable IP port triggers.
9.
Click
Apply
to create your port triggers.
Page 39 / 57
Protecting & Monitoring Your Wireless Network
SBG6782-AC Wireless Cable Modem & Router
•
User Guide
30
365-095-23865 x.1
Set Up the DMZ Host
WARNING
!
The gaming DMZ host is not protected by the SBG6782-AC
gateway firewall. It is open to communication or hacking from any computer on
the Internet. Consider carefully before configuring a device to be in the DMZ.
You can configure one computer to be the DMZ host. This setting is generally used for
computers using problem applications that use random port numbers and do not function
correctly with specific port triggers or the port forwarding setups. If you set up a computer as a
DMZ Host, set this back to zero when you are finished with the needed application, since this
computer will be effectively exposed to the public Internet, though still protected from Denial of
Service (DoS) attacks via the Firewall.
To create the DMZ Host:
1.
Click
Advanced
on the SBG6782-AC Main Menu.
2.
Click
DMZ Host
from the Advanced submenu options.
Figure 21 – 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 you want to set up as the DMZ host and expose to the Internet.
4.
Click
Apply
to activate the selected computer.
Note
: Remember to set the IP address back to zero when you are finished with the needed
application, since that computer will be exposed to the public Internet.
Page 40 / 57
Protecting & Monitoring Your Wireless Network
SBG6782-AC Wireless Cable Modem & Router
•
User Guide
31
365-095-23865 x.1
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.
From any screen, click the
Firewall-Remote Log
menu link or click the Firewall menu button
on the SBG6782-AC Main Menu and then select
Remote Log
.
Figure 22 – 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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