[pkg-ntp-maintainers] Bug#683061: Bug#683061: bug report #683061

[Kurt Roeckx]

On Sun, Jun 30, 2013 at 10:53:16PM +0200, Thomas Hood wrote:
> getaddrinfo() returns -11 with errno 2 (EAI_SYSTEM with errno ENOENT)
> both when no nameserver can be reached and when the domain name does not
> exist. So if you want to behave differently in these two cases you can't do
> so based solely on the returned status of getaddrinfo().
> 
> Hypothesis: ntpd handles -11/2 as meaning NXDOMAIN and treats this as a
> permanent error whereas -11/2 could also mean that no nameservers could be
> reached which should not be treated as a permanent error.
> 
> What I would suggest is that both no-nameservers-are-reachable and NXDOMAIN
> be treated as non-permanent errors. That a domain name does not now exist
> does not entail that it never will exist. And then there is no need to
> distinguish the two cases.

Do you know NXDOMAIN returns?  I think it returns just the same?

So ntpd should just keep trying to resolv invalid hostnames?


Kurt