Re: netcraft && uptime guesses

[Jon Paxton <jon@frenzy.org.uk>]

After discussions a few weeks back with people from netcraft i'm 99% sure
it's actually based on the Timestamping in packet headers, the RFC
dictates this should be an increasing value (i think) and most OSs
(openbsd included) just use the uptime...

On Wed, 20 Dec 2000, Scott Roy Atwood wrote:

> * Alex de Joode <usura@zedz.net> [001220 16:19]:
> > It seems that netcraft now also includes a uptime guess.
> >
> > For the sites I run it seems to be reasonable accurate,
> > any idea how they do this ? Any ideas how to disable
> > this remote uptime guessing ?
> >
> > http://uptime.netcraft.com/up/accuracy.html
>
> man rup(1) and rcp.rstatd(8)
>
> You can disable rcp.rstatd in inetd.conf.
>
> --
> Scott Atwood
> atwood@cs.stanford.edu
>
>