[ntp:questions] What to do about broken IPv6 sites

Steve Kostecke kostecke at ntp.org
Fri Jun 19 20:48:40 UTC 2009

On 2009-06-19, Rick Jones <rick.jones2 at hp.com> wrote:

> Allen Kistler <ackistler at oohay.moc> wrote:
>> For example, http://www.ntp.org.
>> NTP.org has a perfectly good IPv4 site, but the IPv6 site doesn't
>> answer to SYNs.


>> Since RFC-compliant behavior is to try the IPv6 address first, I
>> have to timeout on every page element before switching to IPv4.

I have an IPv6 tunnel through Hurricane Electric and have _no_ problems
with IPv6 to *.ntp.org

Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/

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