ntp config tech note

Pekka Savola pekkas at netcore.fi
Fri May 21 12:58:05 UTC 2004

On Fri, 21 May 2004, Adrian Chadd wrote:
> RE the "ntpd as root" thing, is there a capability in some UNIXen
> which lets you fudge with the kernel time/timecounter frequency without
> being root?  I think thats all it really needs root privilege for.

Yes, for example in Linux.

I've run ntpd chrooted and setuid'ed with special clock change
privileges for 3+ years now.  The code has been shipping for about
three years in Red Hat Linux, for example.

Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

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