Mushroom Networks Documentation

DMZ support with Mushroom Networks devices

Support for a DMZ (demilitarized zone) can be enabled through the FIREWALL tab with the BBNA Management Interface.

The DMZ feature of the BBNA allows the user to specify the IP address of a local computer that has been designated as the DMZ. The specified IP address is called the DMZ IP address. When the BBNA receives a packet from the Internet over any of the WAN ports then the BBNA will forward a packet to the specified DMZ address if none of the port forwarding rules apply to the given packet.

Note: Make sure to assign a static IP on your DMZ host. If you don’t have that option on your device you can also assign the same IP address always via DHCP to your host using Mushroom’s DHCP host configuration by MAC address option.

If no port forwarding rules are specified and a DMZ IP address is specified, then all packets received on a WAN port will be forwarded to the local computer with the specified DMZ IP address. It should be noted that if one or more port forwarding rules are specified that they will take precedence over the forwarding of traffic to a DMZ, if the DMZ feature is enabled. Moreover, it should be noted that any port forwarding that occurs as a result of the UPnP feature being enabled will take precedence over any port forwarding rules.

Setting up a DMZ is useful if there are several computers in the local network, but only one of them (that has been designated as the DMZ) is desired to be directly accessible via the Internet. Normally, support for DMZ should be disabled when running the BBNA in Pass Through mode since a DMZ would already be implemented in the legacy network.

The DMZ feature can be configured by clicking on the status entry “Enabled” or “Disabled” for DMZ in the configuration table on the FIREWALL tab and selecting the appropriate radio button. If the “Enable” button is selected, then the IP address for the DMZ must be specified. By clicking on “Apply” the DMZ feature is configured accordingly.

 

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