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Page 51 / 106 Scroll up to view Page 46 - 50
51
HITRON BVW-3653 USER’S GUIDE
FIREWALL
4.4.1
ADDING OR EDITING AN IP FILTERING RULE
±
To add a new IP filtering rule, click
Add
in the
Firewall
>
IP Filtering
screen.
±
To edit an existing IP filtering rule, select the rule’s radio button (
) in the
Firewall
>
IP Filtering
screen and click the
Edit
button.
The following screen displays.
Port Range
This displays the start and end values of the ports to
which communications from the specified IP addresses
is not permitted.
Protocol
This displays the type of communications that are not
permitted:
±
TCP
displays if communications via the
Transmission Control Protocol are not permitted.
±
UDP
displays if communications via the User
Datagram Protocol are not permitted.
±
TCP/UDP
displays if communications via the
Transmission Control Protocol and the User
Datagram Protocol are not permitted.
IP Address Range
This displays the start and end IP address from which
communications to the specified ports are not permitted.
Enable
Use this field to turn each IP filtering rule on or off.
±
Select this checkbox to enable the IP filtering rule.
±
Deselect this checkbox to disable the IP filtering rule.
Add New
Click this to define a new IP filtering rule. See
Adding or
Editing an IP Filtering Rule
on page
51
for information
on the screen that displays.
Edit
Select an IP filtering rule’s radio button (
) and click
this to make changes to the rule. See
Adding or Editing
an IP Filtering Rule
on page
51
for information on the
screen that displays.
Delete
Select an IP filtering 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 17:
The Firewall > IP Filtering Screen (continued)
Page 52 / 106
52
HITRON BVW-3653 USER’S GUIDE
FIREWALL
FIGURE 18:
The Firewall > IP Filtering > Add/Edit Screen
The following table describes the labels in this screen.
TABLE 18:
The Firewall > IP Filtering > Add/Edit Screen
Application Name
Enter a name for the application that you want to block.
NOTE:
This name is arbitrary, and does not affect
functionality in any way.
Port Range
Use these fields to specify the target port range to which
communication should 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.
Protocol
Use this field to specify whether the BVW-3653 should
block communication via:
±
Transmission Control Protocol (
TCP
)
±
User Datagram Protocol (
UDP
)
±
Both
TCP and UDP.
NOTE:
If in doubt, leave this field at its default (
Both
).
IP Address Range
Use these fields to specify the range of local computers’
IP addresses from which communications should be
blocked.
Enter the start IP address in the first field, and the end IP
address in the second.
To specify only a single IP address, enter it in both fields.
Connected Computers
Click this to see a list of the computers currently
connected to the BVW-3653 on the LAN.
Back
Click this to return to the
Firewall
>
IP filtering
screen
without saving your changes to the IP filtering rule.
Apply
Click this to save your changes to the fields in this
screen.
Page 53 / 106
53
HITRON BVW-3653 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 19:
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 19:
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 18:
The Firewall > IP Filtering > Add/Edit Screen
Page 54 / 106
54
HITRON BVW-3653 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 BVW-3653
received traffic from the originating host on the WAN.
±
The
Private
field displays the port range to which the
BVW-3653 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
55
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
55
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 19:
The Firewall > Forwarding Screen (continued)
Page 55 / 106
55
HITRON BVW-3653 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 20:
The Firewall > Forwarding > Add/Edit Screen
The following table describes the labels in this screen.
TABLE 20:
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 BVW-3653 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 BVW-3653 completes the second field
automatically.

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