|
|
|
|
|
|
by dragontamer
1640 days ago
|
|
|
> As long as the hardware isn't DMA-capable or has to be shared We're talking about Parallel-Ports here, aka "The Printer Port". Any printer program written "old-school" would have tried to send data to LPT-1, except you have an X-Ray machine sitting there confused at these messages its getting. The proper technique of printing, is not to directly contact the LPT-1 port and shove data into it... its to talk to Windows's printer spool and interact indirectly. The user then configures the LPT-1 port: is it to be managed by the printer spool? Or should LPT-1 port be divvyed out to a particular program and reserved through another manner? --------- There's absolutely a security concern about random programs sending messages to the hardware. Maybe the OS doesn't have a security issue, but those medical devices could have commands (such as rewriting firmware) sitting on those ports. You'd want to make sure that only approved programs directly interacted with those kinds of hardware devices... with the protocols that are appropriately specified by the user. |
|
|