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Re:Inception – Break and Enter Using Direct Memory Access by lmm on Monday February 23, 2015 @05:46AM (#9093587)
Any of the things in the "Attack mitigation" section.
Re:Inception – Break and Enter Using Direct Memory Access by jannic on Monday February 23, 2015 @05:55AM (#9093611)
Not loading the firewire driver is not an option, as the attack needs the driver.

I guess loading the driver with DMA disabled would be a good option, as I don't think the attack needs DMA on the host side. Not sure, though, after skimming over the documentation.