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User Manual
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IBR350
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Local Port(s): The port number(s) that
corresponds to the service (Web server,
FTP, etc.) on a local computer or device.
For example, you might input "80" in
the Local Port(s) field to open a port for
a Web server on a computer within your
network. The Internet Port(s) field could
then also be 80, or you could choose
another port number that will be used
across the Internet to access your
Web server. If you choose a number
other than 80 for the Internet Port,
connections to that number will be mapped to 80 – and therefore the Web server – within your network.
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Protocol: Select from the following options in the dropdown menu:
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TCP
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UDP
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TCP & UDP
Click Save to save your completed port forwarding rule.
NAT
Zone NAT is similar to Port Forwarding and provides that functionality by mapping ports available on interfaces
associated with the Zone to ports available on local clients. Zone NAT also has the ability to map many types
interfaces selectable via a Zone. For example, GRE interfaces can be used to port forward traffic from the GRE
endpoints to local client thereby limiting exposure to the
local LAN while still gaining the benefits of GRE.
Click Add to create a Zone NAT.
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Source Zone Name: The Zone created in Zone Firewall.
Select the Zone to NAT.
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Original Destination IP: Specify which inbound traffic to
this router will have the destination IP translated to an
internal network.
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Inbound Port(s): Specify the IP port(s) on the inbound
traffic to forward to a local computer.
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Local Computer: Specify the local computer to receive
forwarded traffic.
•
Local Port(s): Specify the IP port (first if a range) on the
local computer to receive forwarded traffic.
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Protocol: Select the IP protocol traffic to forward.
Dynamic 1:1 NAT
Dynamic NAT allows translating the destination ip of
incoming network traffic to a local network. All ports and
protocols will be forwarded. Netmasks should generally
match. If the local network range is larger than the incoming
destination range then network traffic will begin using
port overloading. One-to-One NAT can be accomplished by
specifying a host address or a /32 cidr address.
Click Add to create a Dynamic 1:1 NAT.
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