[ntp:questions] better rate limiting against amplification attacks?

Miroslav Lichvar mlichvar at redhat.com
Thu Jan 16 09:44:04 UTC 2014


On Wed, Jan 15, 2014 at 08:35:32PM +0000, Rob wrote:
> William Unruh <unruh at invalid.ca> wrote:
> > I do not mean the default in the config file, I mean the default if
> > there is no config file or if nothing is set in the config file.
> 
> That only becomes meaningful when ntpd starts to actually work without
> config file.  Of course that would be possible, but I don't think it
> is reality today.  Or is it, in the latest versions?

Servers can be now specified on the command line, so you don't really
need a config file to have ntpd doing something useful. The following
command seems to work as expected.

ntpd -c /dev/null 0.pool.ntp.org

-- 
Miroslav Lichvar


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