Network Adapter Options

Overview

Each network adapter must be configured before the product can differentiate upload from download correctly. By setting the orientation for each adapter, you instruct the server which adapters are connected to the internet and which are connected to the LAN. From this information the server derives the upload and download directions for rules and connections.

As a result, if an adapter is configured incorrectly, all upload traffic will appear as download and all download traffic will appear as upload. If that is the case then try changing the orientation of the adapter in question to see if that fixes the problem.

Adapter Name

Displays the name of the network apapter to configure.

Internet Facing

Choose this for internet adapters such as dial-up, cable modem and DSL. Additionally, if the server has only one adapter then it is likely an internet facing adapter.

LAN Facing

For servers with two network adapters, there is usually an internet adapter and a LAN adapter. The LAN adapter has a 192.x or 10.x type IP address and connects to the LAN through a router.

LAN facing adapters receive packets from the LAN and send them on through the internet adapter. This operation is referred to as upload for the user, but it is actually a receive for the adapter, not a send. This is different from internet facing adapters where sending is upload, receiving is download.

Because of the incompatibility of directions between the user and the LAN adapter, this setting must be set to LAN facing for any adapters of this type. In most cases WAN and LAN adapters are automatically detected, so these settings should be correct without the need for configuration.

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