> On Apr 14, 2020, at 11:37, Stephen M. Webb <stephen [ dot ] webb [ at ] bregmasoft [ dot ] ca> wrote: > […] > If you want to stop arbitrary devices from sending arbitrary data to applications from within the kernel, you simply > have to write a device driver and insert it into the handling chain so that when an application does a read() on the > device, those various events get filtered out. If you want to whitelist some applications, that too can be hooked into > in-kernel. > Reaching way back to my OS hacking days, [before Linux], this is what I would recommend also. This is the best place to filter out special characters. Regards, Spencer To unsubscribe send a blank message to linux+unsubscribe [ at ] linux-ottawa [ dot ] org To get help send a blank message to linux+help [ at ] linux-ottawa [ dot ] org To visit the archives: https://lists.linux-ottawa.org