
Software Manual 69
Network Tab
IPSec/NAT
Allow IPSEC: Specify whether to allow ESP data, as well as UDP port 500 to communicate with external devices
through untrusted interfaces. The recommended setting for this field is Yes
.
Note: This is necessary if you are planning to configure any IPSEC tunnels originating from this device.
Allow NAT-Traversal (Required): Specify whether to allow data on UDP port 4500 on untrusted interface. The recom-
mended setting for this field is Yes
.
Note: This is necessary if you are planning to run any IPSEC tunnels through our device. This would support a unit
behind a trusted interface to make an IPSEC connection to a host beyond an untrusted interface.
Trusted Interfaces
Identifies the trusted (internal) interface. Traffic from this interface will be permitted outbound. Default is “WAN/eth0”.
• Click on the Add button for Trusted Interfaces and the following dialog window will appear:
Interface: Choose an interface from the drop-down list provided. You may add as many interfaces as exist on the
device. Each selection must be unique.
Trusted interfaces will not block traffic to/from devices connected to that interface. Filter Rules are the only rules that
will control traffic on these interfaces.
• Click on the Finish button to populate the Trusted Interface screen.
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