User Interface
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GP-E/GP-S
67User Manual v16.2.1 ─ 01
NAT Rules Settings
The "NAT Rules" settings allow you to manipulate packets directly in a zone.
The "NAT Rule" settings allow you to configure the following elements:
Field Description
"On" / "Off" A slider switch indicates whether the NAT rule is active ( "On" ) or inactive
( "Off" ). By clicking the slider switch, you can toggle the state of the NAT rule.
A new NAT rule is enabled by default.
"Name" Enter a name for the NAT rule.
"Zone" From the drop-down list, select a network zone to which the rule is to be
applied.
"Network Interface" Optional: If you select WAN in "Zone" , you can specify the interface to be used.
"Type" From the drop-down list, select one of the following NAT types:
●
Source NAT – allows you to change the source address and the source
port of a packet.
●
Destination NAT – allows you to change the destination address and
the destination port of a packet.
●
Source NETMAP – allows you to map the source address and the source
port of an entire network.
●
Destination NETMAP – allows you to map the destination address and
the destination port of an entire network.
When you select an interface of the WAN zone for a Source NAT rule, this rule is
applied to traffic going out of the selected interface. Incoming traffic is NOT affected.
When you select an interface of the WAN zone for a Destination NAT rule, this rule
is applied to traffic coming in on the selected interface. Outgoing traffic is NOT affec-
ted.
In the "Traffic Selection" tab, specify the traffic that the NAT rule is to be applied to:
Field Description
"Source Address" Define the source IP address of the traffic to be manipulated.
"Destination Address" Define the destination IP address of the traffic to be manipulated.
"Protocol" Specify the protocol to which the NAT rule is to be applied ("Any", "TCP" or
"UDP").
"Source Ports" Optional and only available if the selected "Protocol" is not "Any": specify the
source ports or valid source port ranges to be selected.
"Destination Ports" Optional and only available if the selected "Protocol" is not "Any": specify the
destination ports or valid destination port ranges to be selected.
In the "Traffic Manipulation" tab, specify what operation is to be performed on the
selected traffic. The available options depend on the selected NAT type and protocol:
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