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BASIC
Version 2.0, 07/2015. Copyright
2015 Hitron Technologies
9
Hitron CGNM/ CGNM-3552 User’s Guide
NOTE:
Ensure that
Enabled
is selected in the
Basic
>
Port Forwarding
screen in
order to add or edit port forwarding rules.
The following screen displays.
Figure 25:
The Basic: Port Forwarding Add/Edit Screen
The following table describes the labels in this screen.
Table 20:
The Basic: Port Forwarding Add/Edit Screen
Common Application
Use this field to select the application for which you want
to create a port forwarding rule, if desired.
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.
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BASIC
Version 2.0, 07/2015. Copyright
2015 Hitron Technologies
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Hitron CGNM/ CGNM-3552 User’s Guide
Protocol
Use this field to specify whether the CGNM/ CGNM-
3552 should forward traffic via:
Transmission Control Protocol (
TCP
)
User Datagram Protocol (
UDP
)
Transmission Control Protocol and User Datagram
Protocol (
TCP/UDP
)
Generic Routing Encapsulation (
GRE
)
Encapsulating Security Protocol (
ESP
)
NOTE:
If in doubt, leave this field at its default (
TCP/
UDP
).
Public Port Range
Use these fields to specify the incoming port range.
These are the ports on which the CGNM/ CGNM-3552
receives traffic from the originating host on the WAN.
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.
Private Port Range
Use these fields to specify the ports to which the
received traffic should be forwarded.
Enter the start port number in the first field. The number
of ports must match that specified in the
Public Port
Range
, so the CGNM/ CGNM-3552 completes the
second field automatically.
Local IP Address
Use this field to enter the IP address of the computer on
the LAN to which you want to forward the traffic.
Remote IP
Use this field to configure the IP address range on the
WAN from which traffic is forwarded.
Remote IP Range
Rule Status
Use this field to turn port forwarding rule on or off.
Apply
Click this to save your changes to the fields in this
screen.
Close
Click this to return to the
Port Forwarding
screen
without saving your changes to the port forwarding rule.
Table 20:
The Basic: Port Forwarding Add/Edit Screen
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BASIC
Version 2.0, 07/2015. Copyright
2015 Hitron Technologies
11
Hitron CGNM/ CGNM-3552 User’s Guide
4.5
The Port Triggering Screen
Use this screen to configure port triggering. You can turn port triggering on or off and
configure new and existing port triggering rules.
Click
Basic
>
Port Triggering
. The following screen displays.
Figure 26:
The Basic: Port Triggering Screen
The following table describes the labels in this screen.
Table 21:
The Basic: Port Triggering Screen
All Port Triggering Rules
Use this field to turn all port triggering rules on or off.
Select
Enabled
to turn all port triggering rules on.
Select
Disabled
to turn all port triggering rules off.
Port Triggering Rules
Application Name
This displays the arbitrary name you assigned to the
rule when you created it.
Trigger
This displays the range of outgoing ports. When the
CGNM/ CGNM-3552 detects activity (outgoing traffic)
on these ports from computers on the LAN, it
automatically opens the
Target
ports.
Target
This displays the range of triggered ports. These ports
are opened automatically when the CGNM/ CGNM-
3552 detects activity on the
Trigger
ports from
computers on the LAN.
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BASIC
Version 2.0, 07/2015. Copyright
2015 Hitron Technologies
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Hitron CGNM/ CGNM-3552 User’s Guide
4.5.1
Adding or Editing a Port Triggering Rule
To add a new port triggering rule, click
Add Rule
in the
Basic
>
Port Triggering
screen.
To edit an existing port triggering rule, click
Manage
in the
Basic
>
Port
Triggering
screen.
NOTE:
Ensure that
Enabled
is selected in the
Basic
>
Port Triggering
screen in
order to add or edit port triggering rules.
The following screen displays.
Protocol
This displays the protocol of the port triggering rule
(
TCP
,
UDP
or
Both
).
Timeout (ms)
This displays the time (in milliseconds) after the CGNM/
CGNM-3552 opens the
Target
ports that it should close
them.
Twoway Status
Usually a port triggering rule works for two IP
addresses; when a rule is enabled, other IPs will also be
allowed to use the rule as a trigger.
Status
Use this field to turn the rule
On
or
Off
.
Manage
Use this field to
Edit
a port triggering rule.
Action
Use this field to
Delete
a port triggering rule.
Add Rule
Click this to define a new port triggering rule. Port
triggering must first be set to
Enabled
. See
Adding or
Editing a Port Triggering Rule
on page
12
for
information on the screen that displays.
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 21:
The Basic: Port Triggering Screen (continued)
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BASIC
Version 2.0, 07/2015. Copyright
2015 Hitron Technologies
13
Hitron CGNM/ CGNM-3552 User’s Guide
Figure 27:
The Basic: Port Triggering Add/Edit Screen
The following table describes the labels in this screen.
Table 22:
The Basic: Port Triggering 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.
Trigger Port Range
Use these fields to specify the trigger ports. When the
CGNM/ CGNM-3552 detects activity on any of these
ports originating from a computer on the LAN, it
automatically opens the
Target
ports in expectation of
incoming traffic.
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.

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