On 4 Jul 2003, D. J. Bernstein wrote:

> Richard M. Smith writes:
> 
> P.S. It's hard for a portable chroot tool to cut off a program's network
> access. Kernel designers should provide a disablenetwork() syscall, with
> the disabling inherited by children. Other kernel changes would be nice,
> but disablenetwork() is the only critical change.
> 
  Look at selinux.  You can drop any privleges under selinux or Bull Dog 
or you can uses Linux Socket Filtering is user space with kernel 2.4.18+
-- 

Enjoy,

Richard Rager



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