Re: Linux needs flexible security

Matthew Wilcox (Matthew.Wilcox@genedata.com)
Thu, 25 Nov 1999 09:46:48 +0100


On Mon, Nov 22, 1999 at 10:10:16PM +0100, Pavel Machek wrote:
> Ioctls should be banned. They make network transparent remote exec
> hard, for example. Disabling all ioctls for user-level applications
> should not hurt too much.... [clapity clap] Hmm, it will: console
> operations are done using ioctls. Ok, disallowing ioctls is not possible.

plan9 solved this with ctl files. i don't see why linux shouldn't move
the same way in order to reap the benefits of distributable computing.
how do systems like mosix work around ioctl problems?

-- 
Matthew Wilcox <willy@bofh.ai>
"Windows and MacOS are products, contrived by engineers in the service of
specific companies. Unix, by contrast, is not so much a product as it is a
painstakingly compiled oral history of the hacker subculture." - N Stephenson

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