Ezra mentioning rt3070 got me wondering. Last year (I think) Edimax produced a batch of the EW-7711UAN dongle that did not work with the HDR-FOX. A replacement driver was created (the custom firmware package to install this is rt3070, version 1.0). I don't think this driver fixed that problem but it did update the vendor list which would allow newer dongles from different manufacturers, but using the same chipset, to work with the Humax. Later batches of the Edimax dongle do work with the standard driver. Most users won't need to install the rt3070 package. The first build of version 3.00 of the CFW made the HDR-FOX freeze when using a wireless dongle: this was fixed in a later build (build 2137). The rt3070 package predates the latest version of the CFW and I am wondering if this package is not compatible with IP tables? I could be wrong, but you probably don't need the rt3070 package anyway so I would try uninstalling it, if you have it installed currently.