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Page 186 / 414 Scroll up to view Page 181 - 185
Firewall Protection
186
ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N
Note these restrictions on port triggering:
•
Only one computer can use a port-triggering application at any time.
•
After a computer has finished using a port-triggering application, there is a short time-out
period before the application can be used by another computer. This time-out period is
required so the wireless VPN firewall can determine that the application has terminated.
Note:
For additional ways of allowing inbound traffic, see
Inbound Rules
(Port Forwarding)
on page 130.
To add a port-triggering rule:
1.
Select
Security > Port Triggering
. The Port Triggering screen displays. (The following
figure shows a rule in the Port Triggering Rule table as an example.)
Figure 101.
2.
In the Add Port Triggering Rule section, enter the settings as explained in the following table:
Table 40.
Port Triggering screen settings
Setting
Description
Name
A descriptive name of the rule for identification and management purposes.
Enable
From the drop-down list, select
Yes
to enable the rule. (You can define a rule but not
enable it.) The default setting is No.
Protocol
From the drop-down list, select the protocol to which the rule applies:
•
TCP
. The rule applies to an application that uses the Transmission Control
Protocol (TCP).
•
UDP
. The rule applies to an application that uses the User Datagram Protocol
(UDP).
Page 187 / 414
Firewall Protection
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ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N
3.
Click the
Add
table button. The new port-triggering rule is added to the Port Triggering Rules
table.
To edit a port-triggering rule:
1.
In the Port Triggering Rules table, click the
Edit
table button to the right of the
port-triggering rule that you want to edit. The Edit Port Triggering Rule screen displays.
2.
Modify the settings that you wish to change (see the previous table).
3.
Click
Apply
to save your changes. The modified port-triggering rule is displayed in the Port
Triggering Rules table.
To remove one or more port-triggering rules from the table:
1.
Select the check box to the left of each port-triggering rule that you want to delete, or
click the
Select All
table button to select all rules.
2.
Click the
Delete
table button.
To display the status of the port-triggering rules:
Click the
Status
option arrow in the upper right of the Port Triggering screen. A pop-up
screen displays, showing the status of the port-triggering rules.
Figure 102.
Configure Universal Plug and Play
The Universal Plug and Play (UPnP) feature enables the wireless VPN firewall to
automatically discover and configure devices when it searches the LAN and WAN.
Note:
UPnP is supported for IPv4 devices only.
Outgoing (Trigger)
Port Range
Start Port
The start port (1–65535) of the range for triggering.
End Port
The end port (1–65535) of the range for triggering.
Incoming (Response)
Port Range
Start Port
The start port (1–65535) of the range for responding.
End Port
The end port (1–65535) of the range for responding.
Table 40.
Port Triggering screen settings (continued)
Setting
Description
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Firewall Protection
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ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N
To configure UPnP:
1.
Select
Security > UPnP
. The UPnP screen displays:
Figure 103.
The UPnP Portmap Table in the lower part of the screen shows the IP addresses and
other settings of UPnP devices that have accessed the wireless VPN firewall and that
have been automatically detected by the wireless VPN firewall:
•
Active
. A Yes or No indicates if the UPnP device port that established a connection is
currently active.
•
Protocol
. Indicates the network protocol such as HTTP or FTP that is used by the
device to connect to the VPN firewall.
•
Int. Port
. Indicates if any internal ports are opened by the UPnP device.
•
Ext. Port
. Indicates if any external ports are opened by the UPnP device.
•
IP Address
. Lists the IP address of the UPnP device accessing the VPN firewall.
2.
To enable the UPnP feature, select the
Yes
radio button. (The feature is disabled by default.)
To disable the feature, select
No
.
3.
Fill in the following fields:
•
Advertisement Period
. Enter the period in seconds that specifies how often the
wireless VPN firewall should broadcast its UPnP information to all devices within its
range. The default setting is 30 seconds.
•
Advertisement Time to Live
. Enter a number that specifies how many steps (hops)
each UPnP packet is allowed to propagate before being discarded. Small values will
limit the UPnP broadcast range. The default setting is 4 hops.
4.
Click
Apply
to save your settings.
To refresh the contents of the UPnP Portmap Table, click
Refresh
.
Page 189 / 414
189
6
6.
Virtual Private Networking
Using IPSec and L2TP Connections
This chapter describes how to use the IP security (IPSec) virtual private networking (VPN)
features of the wireless VPN firewall to provide secure, encrypted communications between your
local network and a remote network or computer. This chapter contains the following sections:
•
Use the IPSec VPN Wizard for Client and Gateway Configurations
•
Test the Connection and View Connection and Status Information
•
Manage IPSec VPN Policies
•
Configure Extended Authentication (XAUTH)
•
Assign IPv4 Addresses to Remote Users (Mode Config)
•
Configure Keep-Alives and Dead Peer Detection
•
Configure NetBIOS Bridging with IPSec VPN
•
Configure the L2TP Server
Use the IPSec VPN Wizard for Client and Gateway
Configurations
You can use the IPSec VPN Wizard to configure multiple gateway or client VPN tunnel
policies.
The following sections provide wizard and NETGEAR ProSafe VPN Client software
configuration procedures:
•
Create an IPv4 Gateway-to-Gateway VPN Tunnel with the Wizard
on page 190
•
Create an IPv6 Gateway-to-Gateway VPN Tunnel with the Wizard
on page 194
•
Create an IPv4 Client-to-Gateway VPN Tunnel with the Wizard
on page 198
Note:
Although the wireless VPN firewall supports IPv6, the NETGEAR
ProSafe VPN Client supports IPv4 only; an upcoming release of the
VPN Client will support IPv6.
Page 190 / 414
Virtual Private Networking Using IPSec and L2TP Connections
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ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N
Configuring a VPN tunnel connection requires that you specify all settings on both sides of
the VPN tunnel to match or mirror each other precisely, which can be a daunting task. The
VPN Wizard efficiently guides you through the setup procedure with a series of questions that
determine the IPSec keys and VPN policies it sets up. The VPN Wizard also configures the
settings for the network connection: security association (SA), traffic selectors, authentication
algorithm, and encryption. The settings that are used by the VPN Wizard are based on the
recommendations of the VPN Consortium (VPNC), an organization that promotes
multivendor VPN interoperability.
Create an IPv4 Gateway-to-Gateway VPN Tunnel with the
Wizard
Figure 104.
To set up an IPv4 gateway-to-gateway VPN tunnel using the VPN Wizard:
1.
Select
VPN > IPSec VPN > VPN Wizard
.
In the upper right of the screen, the IPv4 radio
button is selected by default. The VPN Wizard screen displays the IPv4 settings. (The
following screen contains some examples that do not relate to other examples in this
manual.)

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