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Version 1.1, 08/2013. Copyright
2013 Hitron Technologies
91
Hitron CGN3 User’s Guide
The following table describes the labels in this screen.
Table 34:
The Security: Firewall Screen
Firewall Level
Select the level of firewall protection that you want to
apply to your LAN. Details about the protection level
display beneath the buttons.
(Security Level)
These fields describe the specific protocols and
applications that are permitted or denied by the firewall
security level you select.
When you select
Custom
in the
Firewall Level
field,
additional fields display that allow you to toggle specific
features on or off:
Entire Firewall
: select
ON
to enable firewall
security protection, or select
OFF
to disable it (not
recommended).
HTTP
: use this field to
Allow
or
Deny
HyperText
Transfer Protocol traffic.
ICMP
: use this field to
Allow
or
Deny
Internet
Control Message Protocol traffic.
Multicast
: use this field to
Allow
or
Deny
multicast
traffic (sent to multiple devices at once).
P2P
: use this field to
Allow
or
Deny
peer-to-peer
traffic (such as BitTorrent).
Ident
: use this field to
Allow
or
Deny
Identification
protocol traffic. The Identification protocol allows
remote hosts to request identifying information
about users of a device.
Save Changes
Click this to save your changes to the fields in this
screen.
Cancel
Click this to return the fields in this screen to their last-
saved values without saving your changes.
Help
Click this to see information about the fields in this
screen.
Page 92 / 114
Version 1.1, 08/2013. Copyright
2013 Hitron Technologies
92
Hitron CGN3 User’s Guide
7.3
The Service Filter Screen
Use this screen to configure service filtering. You can turn service filtering on or off
and configure new and existing service filtering rules.
Click
Security
>
Service Filter
. The following screen displays.
Figure 37:
The Security: Service Filter Screen
The following table describes the labels in this screen.
Table 35:
The Security: Service Filter Screen
Managed Services
Filter Enabled
Use this field to turn service filtering on or off.
Select
Enabled
to turn service filtering on.
Select
Disabled
to turn service filtering off.
App Name
This displays the name you assigned to the filtering rule
when you created it.
Protocol
This field displays the protocol or protocols to which this
filtering rule applies:
Transmission Control Protocol (
TCP
)
User Datagram Protocol (
UDP
)
Port Range
This displays the start and end port for which this
filtering rule applies.
Managed Weekdays
This displays the days of the week on which this rule
applies.
Page 93 / 114
Version 1.1, 08/2013. Copyright
2013 Hitron Technologies
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Hitron CGN3 User’s Guide
7.3.1
Adding or Editing a Service Filter Rule
To add a new service filter rule, click
Add Managed Service
in the
Security
>
Service Filter
screen.
To edit an existing service filter rule, locate the rule in the
Security
>
Service
Filter
screen and click its
Manage
button.
NOTE:
Ensure that
Enabled
is selected in the
Security
>
Service Filter
screen in
order to add or edit service filtering rules.
The following screen displays.
Managed Time
This displays the start (
From
) and end (
To
) of the time
period during which this rule applies, on the specified
Managed Weekdays
.
Action
Click
Manage
to make changes to a filtering rule (see
Adding or Editing a Service Filter Rule
on page
93
).
Add Managed Service
Click this to add a new service filtering rule (see
Adding
or Editing a Service Filter Rule
on page
93
).
Save Changes
Click this to save your changes to the fields in this
screen.
Help
Click this to see information about the fields in this
screen.
Trust PC List
App Name
This displays the name of the trust device connected.
IP Address
This displays the IP address of the trust network device
connected.
Status
This displays whether or not the service filter rule is
enabled to the trust device connected.
Manage
Click
Manage
to make changes to the trust device’s
service filter status
(see
Adding or Editing a Trust PC List
on page
96
).
Action
Click
Delete
to remove the existing trust device from the
list.
Add Trust Device
Click this to add a new Trust Device.
(see
Adding or
Editing a Trust PC List
on page
96
).
Save Changes
Click this to save your changes to the fields in this screen.
Help
Click this to see information about the fields in this screen.
Table 35:
The Security: Service Filter Screen (continued)
Page 94 / 114
Version 1.1, 08/2013. Copyright
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94
Hitron CGN3 User’s Guide
Figure 38:
The Security: Service Filter Add/Edit Screen
The following table describes the labels in this screen.
Table 36:
The Security: Service Filter Add/Edit Screen
Application Name
Enter a name for the application for which you want to
create the rule.
NOTE:
This name is arbitrary, and does not affect
functionality in any way.
Protocol
Use this field to specify whether the CGN3 should filter
via:
Transmission Control Protocol (
TCP
)
User Datagram Protocol (
UDP
)
NOTE:
If in doubt, leave this field at its default (
TCP
).
Port Range
Use these fields to specify the start and end port for
which this filtering rule applies. These are the ports to
which traffic will be blocked.
Enter the start port number in the first field, and the end
port number in the second field.
To specify only a single port, enter its number in both
fields.
Page 95 / 114
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Hitron CGN3 User’s Guide
Rule Status
Use this field to select whether the filtering rule should
be active or not.
Select
Enabled
to activate the rule. Matching traffic
will be blocked.
Select
Disabled
to deactivate the rule. Matching
traffic will not be blocked.
Manage All Day
Use this field to specify whether the filtering rule should
apply on all days of the week, at all times, or whether the
rule should be applied only at certain times.
Select
YES
to apply the rule at all times.
Select
NO
to apply the rule only at certain times.
Additional fields display, allowing you to specify the
times at which the rule should be applied.
Figure 39:
Additional Service Filtering Options
Use the
Managed Weekdays
fields to specify the
days on which the rule should be applied. A red
background indicates that the rule will be applied
(traffic will be blocked), and a green background
indicates that the rule will not be applied (traffic will
not be blocked). Click a day to toggle the rule on or
off for the relevant day.
Use the
Manage Time Start
fields to specify the
period during which the rule should be applied.
Enter the start time in the
From
fields, using twenty-
four hour notation, and enter the end time in the
To
fields.
Apply
Click this to save your changes to the fields in this
screen.
Close
Click this to return to the
Service Filter
screen without
saving your changes to the rule.
Table 36:
The Security: Service Filter Add/Edit Screen

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