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56
HITRON CVE-30360 USER’S GUIDE
FIREWALL
4.5
THE FORWARDING SCREEN
Use this screen to configure port forwarding between computers on the WAN and
computers on the LAN. You can turn port forwarding on or off and configure new and
existing port forwarding rules.
Click
Firewall
>
Forwarding
. The following screen displays.
FIGURE 18:
The Firewall > Forwarding Screen
The following table describes the labels 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.
TABLE 18:
The Firewall > Forwarding Screen
All Port Forwarding Rules
Use this field to turn port forwarding on or off.
Select the checkbox to enable port forwarding.
Deselect the checkbox to disable port forwarding.
Select
Select a port forwarding rule’s radio button (
) before
clicking
Edit
or
Delete
.
#
This displays the arbitrary identification number
assigned to the port forwarding rule.
Application Name
This displays the arbitrary name you assigned to the rule
when you created it.
TABLE 17:
The Firewall > IP Filtering > Add/Edit Screen
Page 57 / 98
57
HITRON CVE-30360 USER’S GUIDE
FIREWALL
Port Range
These fields display the ports to which the rule applies:
The
Public
field displays the incoming port range.
These are the ports on which the CVE-30360
received traffic from the originating host on the WAN.
The
Private
field displays the port range to which the
CVE-30360 forwards traffic to the device on the LAN.
Protocol
This field displays the protocol or protocols to which this
rule applies:
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
)
IP Address
This displays the IP address of the computer on the LAN
to which traffic conforming to the
Public Port Range
and
Protocol
conditions is forwarded.
Enable
Use this field to turn each port forwarding rule on or off.
Select this checkbox to enable the port forwarding
rule.
Deselect this checkbox to disable the port forwarding
rule.
Add New
Click this to define a new port forwarding rule. See
Adding or Editing a Port Forwarding Rule
on page
58
for
information on the screen that displays.
Edit
Select a port forwarding rule’s radio button (
) and
click this to make changes to the rule. See
Adding or
Editing a Port Forwarding Rule
on page
58
for
information on the screen that displays.
Delete
Select a port forwarding rule’s radio button (
) and
click this to remove the rule. The deleted rule’s
information cannot be retrieved.
Apply
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.
TABLE 18:
The Firewall > Forwarding Screen (continued)
Page 58 / 98
58
HITRON CVE-30360 USER’S GUIDE
FIREWALL
4.5.1
ADDING OR EDITING A PORT FORWARDING RULE
To add a new port forwarding rule, click
Add
in the
Firewall
>
Forwarding
screen.
To edit an existing port forwarding rule, select the rule’s radio button (
) in the
Firewall
>
Forwarding
screen and click the
Edit
button.
The following screen displays.
FIGURE 19:
The Firewall > Forwarding > Add/Edit Screen
The following table describes the labels in this screen.
TABLE 19:
The Firewall > Forwarding > 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.
Public Port Range
Use these fields to specify the incoming port range.
These are the ports on which the CVE-30360 received
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 CVE-30360 completes the second field
automatically.
Page 59 / 98
59
HITRON CVE-30360 USER’S GUIDE
FIREWALL
4.6
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
Firewall
>
Port Triggering
. The following screen displays.
Protocol
Use this field to specify whether the CVE-30360 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
).
IP Address
Use this field to enter the IP address of the computer on
the LAN to which you want to forward the traffic.
Connected Computers
Click this to see a list of the computers currently
connected to the CVE-30360 on the LAN.
Back
Click this to return to the
Firewall
>
Forwarding
screen
without saving your changes to the port forwarding rule.
Apply
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.
TABLE 19:
The Firewall > Forwarding > Add/Edit Screen
Page 60 / 98
60
HITRON CVE-30360 USER’S GUIDE
FIREWALL
FIGURE 20:
The Firewall > Port Triggering Screen
The following table describes the labels in this screen.
TABLE 20:
The Firewall > Port Triggering Screen
All Port Triggering Rules
Use this field to turn port triggering on or off.
Select the checkbox to enable port triggering.
Deselect the checkbox to disable port triggering.
Select
Select a port triggering rule’s radio button (
) before
clicking
Edit
or
Delete
.
#
This displays the arbitrary identification number
assigned to the port triggering rule.
Application Name
This displays the arbitrary name you assigned to the
rule when you created it.
Port Range
These fields display the ports to which the rule applies:
The
Trigger
field displays the range of outgoing
ports. When the CVE-30360 detects activity
(outgoing traffic) on these ports from computers on
the LAN, it automatically opens the
Target
ports.
The
Target
field displays the range of triggered
ports. These ports are opened automatically when
the CVE-30360 detects activity on the
Trigger
ports
from computers on the LAN.
Protocol
This displays the protocol of the port triggering rule.
Timeout (ms)
This displays the time (in milliseconds) after the CVE-
30360 opens the
Target
ports that it should close them.
Enable
Use this field to turn each port triggering rule on or off.
Select this checkbox to enable the port triggering
rule.
Deselect this checkbox to disable the port triggering
rule.

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