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NF1ADV User Guide
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NAT
Network address translation (NAT) is the process of modifying IP address information in IP packet headers while in transit through
the router.
Port Forwarding
Port Forwarding allows you to direct incoming traffic from the Internet side (identified by Protocol and External port) to the internal
server with a private IP address on the LAN side. The Internal port is required only if the external port needs to be converted to a
different port number used by the server on the LAN side. A maximum of 32 entries can be configured.
Figure 44: Advanced - NAT - Virtual Server
To add a Virtual Server, click the Add button. The following screen will display.
Figure 45: Advanced - NAT - Add Virtual Server
FIELD
DESCRIPTION
Select a Service or custom
Server
Select a pre-configured port forwarding rule or choose custom server to create your own port
forwarding rule.
Server IP Address
Enter the IP address of the local server.
External Port Start
Enter the starting external port number (when custom server is selected). When a service is connected
this field will be completed automatically.
External Port End
Enter the ending external port number (when custom server is selected). When a service is connected
this field will be completed automatically.
Protocol
Options include TCP, UDP or TCP/UDP.
Internal Port Start
Enter the starting internal port number (when custom server is selected). When a service is connected
this field will be completed automatically.
Internal Port End
Enter the ending internal port number (when custom server is selected). When a service is connected
this field will be completed automatically.
Table 20: Advanced - NAT - Add Virtual Server Settings
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YML27
WiFi Data and VoIP Gateway
NF1ADV
Port Triggering
Some applications require specific ports in the Router’s firewall to be open for access by remote parties. Port Triggering op
ens up
the ‘Open Ports’ in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote party using the
‘Triggering Ports’.
The Router allows the remote party from the WAN side to establish new connections back to the application on the LAN side using
the ‘Open Ports’. A maximum 32 entries can be configured.
Figure 46: Advanced - NAT - Port Triggering Setup
To add a Trigger Port, press the Add button. The following screen will be displayed.
Figure 47: Advanced - NAT - Add Port Trigger
FIELD
DESCRIPTION
Select an Application or Custom
Application
A user can select a pre-configured application from the list or select the Custom Application option to
create custom application settings.
Trigger Port Start
Enter the starting trigger port number (when you select Custom Application). When an application is
selected the port range values are automatically entered.
Trigger Port End
Enter the ending trigger port number (when you select Custom Application). When an application is
selected the port range values are automatically entered
.
Trigger Protocol
Options include TCP, UDP or TCP/UDP.
Open Port Start
Enter the starting open port number (when you select Custom Application). When an application is
selected the port range values are automatically entered.
Open Port End
Enter the ending open port number (when you select Custom Application). When an application is
selected the port range values are automatically entered.
Open Protocol
Options include TCP, UDP or TCP/UDP.
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DMZ Host
The NF1ADV will forward IP packets from the Wide Area Network (WAN) that do not belong to any of the applications configured in
the Virtual Servers table to the DMZ host computer.
Enter the computer’s IP address and click Apply to activate the DMZ host. To deactivate the DMZ Host function clear the IP
address field and press the Save/Apply button.
Figure 48: Advanced - NAT - DMZ Host
IP Address Mapping
This feature allows the one or many LAN devices to be mapped to one or many WAN IP addresses.
Figure 49: Advanced - NAT - IP Address Mapping
OPTION
DEFINITION
Select a Service
Options include: One to One, Many to One, Many to Many(overload), Many to Many(no overload)
Local Start IP
The start IP address of a local IP address range.
Local End IP
The end IP address of a local IP address range. If you wish to use a single local IP address only, enter the same
IP address as the Local Start IP field into this field.
Public Start IP
The start IP address of a public/WAN IP address range.
Public End IP
The send IP address of a public/WAN IP address range. If you wish to use a single public IP address, enter the
same IP address as the Local Start IP field into this field.
Figure 50: Advanced - NAT - IP Address Mapping Settings
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YML27
WiFi Data and VoIP Gateway
NF1ADV
Security
IP Filtering
The IP Filtering function sets filter rules that limit incoming and outgoing IP traffic. Multiple filter rules can be set with at least one
limiting condition. All conditions must be fulfilled for individual IP packets to pass through the filter.
Outgoing IP Filter
The default setting for Outgoing traffic is ACCEPTED. Under this condition, all outgoing IP packets that match the filter rules will be
BLOCKED.
Figure 51: Advanced - Security - IP Filter
–
Outgoing
To add an outgoing IP filtering rule, click the Add button. The following screen will be displayed.
Figure 52: Advanced - Security - IP Filter - Add Outgoing
FIELD
DESCRIPTION
Filter Name
The filter rule descriptive name.
IP Version
Select the IP Address protocol (IPv4 or IPv6).
Protocol
Options include TCP, UDP, TCP/UDP or ICMP Source IP Address.
Source IP Address
Enter the local source IP address from where the data originates.
Source Port (port or port:port)
Enter the source port number or port range for the filter rule.
Destination IP Address
Enter the destination IP address.
Destination Port (port or
port:port)
Enter the destination port number or port range for the filter rule.
Table 21: Advanced - Security - IP Filter - Add Outgoing IP Filter Settings
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Incoming IP Filter
The default setting for all Incoming traffic is BLOCKED. Under this condition only those incoming IP packets that match the filter
rules will be ACCEPTED.
Figure 53: Advanced
–
Security
–
IP Filter
–
Incoming
To add an incoming IP filtering rule, click the Add button. The following screen will display.
Figure 54: Advanced - Security - IP Filter - Add Incoming IP Filter
Please refer to the Outgoing IP Filter table for field descriptions.
Click the Apply/Save button to save and activate the filter.

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