Re: Email marketing company gives out questionable security advice

From: D. J. Bernstein (djbat_private)
Date: Sat Jul 12 2003 - 14:30:31 PDT

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I wrote:
: 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.

I've set up a web page http://cr.yp.to/unix/disablenetwork.html
discussing this and surveying the system-specific suggestions that
people have sent to me. Further contributions are welcome.

---D. J. Bernstein, Associate Professor, Department of Mathematics,
Statistics, and Computer Science, University of Illinois at Chicago

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