Re: permissions of /proc/tty/driver

[Alan Cox]

On Sul, 2005-01-16 at 12:04, Christoph Hellwig wrote:
> > (where /proc/tty/driver/serial is mentioned as leaking sensitive 
> > information), to me the contents of usbserial look innocent enough.
> > Do you have any hints on what might be a good solution?
> 
> The permissions on the directory look indeed too strict to me.  It might
> be better to just use strict permissions on /proc/tty/driver/serial
> indeed.

The file containts transmit and receive byte counts, which means you can
both measure intercharacter delay and character count. Thats a big help
to password guessers

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