> >>...Windows would not do this. It would only open up access to devices > that it thought needed DMA. This is why Metlstorm had to make his Linux > machine behave like an iPod to fool Windows into spreading it's legs. > > So the iPod software opens up the whole address space? I don't get it. No, the iPod device signature makes Windows drivers think it should allow DMA access for that device because it detect it as a disk device. Other disk device signatures would likely work the same way, that's just the one he happened to emulate. tim