phys_dma=0 and userland
That's a good question. I don't know if there would be any breakage, but I expect slowdowns for devices which make heavy use of DMA (disks, video cameras, for instance). But I haven't tested any of...
View ArticleFirewire
Yes, completely disabling Firewire via removal/destruction, in the BIOS/Firmware, or in the kernel/drivers is the best thing you can do if you don't ever use Firewire.
View ArticleMy Mac will be at your mercy
My Mac will be at your mercy once again, I suppose. So be it, next time we meet.
View Articlegreat!
Yesterday I googled for debian packages for miro 2, didn't found one and installed miro locally. I should have waited... Ill try the debian packages in the evening. THX for packing miro 2 so fast!
View ArticleCrash on startup
Hi,Thanks for the quick packaging. But it seems to have a problem on startup. I have Miro crashing with this : location: /usr/lib/xulrunner-1.9/libxpcom.so before 3 INFO Starting up Miro INFO OS: Linux...
View ArticleMiro problem
Please post bug reports in the upstream and/or Debian BTS.Are you sure you run Debian unstable and the upgrade to miro 2.0 went fine? Were there errors during upgrade? The log messages are strange, as...
View ArticleRight, it was a problem in
Right, it was a problem in the version on the repo. An upgrade of miro and democracyplayer packages fix the problem. Sorry for the noise. Also it's strange to have both (miro and democracyplayer) names...
View ArticleThere's another option that
There's another option that seems to have been overlooked. Many (if not all) motherboard BIOSes have the option of disabling the firewire ports and likely PCMCIA ports as well.
View ArticleMaybe, but it depends how
Maybe, but it depends how the "disable" is done (which might be BIOS and hardware-specific). I wouldn't trust that unless you actually tested that disabling those options really spoils this specific...
View ArticleDid you determine if
Did you determine if disabling ohci 1394 in device manager prevents the attack in xp sp2?
View ArticleI use Miro 3.0 for about a
I use Miro 3.0 for about a month like any particular failure was not observed, the only thing I would like a faster application.
View ArticleDMA and Hardware
I was wondering if you knew what the advantages to implementing DMA in the hardware, without the intervention of the OS is?
View ArticleOr just power down, right?
Just to be clear, this attack is valid if your computer is asleep or powered up with the key in memory, correct? Shutting down a computer that doesn't unlock the drive without manual authentication...
View Articleuse nvmram security-mode to disable firewire DMA on OS X
On OS X as noted here: http://matt.ucc.asn.au/apple/Setting security-mode to anything other than 'none' puts the firewire controller into secure mode, disabling Firewire DMA. This is effective even...
View ArticleWhat a question !
??? What a question ! See on Google "Direct Memory Access" and you'll have a lot of articles about it... Else this link too : http://www.omninerd.com/articles/Firewire_Interface_Hack
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