On Monday 07 November 2005 16:10, Per Jessen wrote:
Bjørge Solli wrote:
NAT is the reason. When I opened port 123 in the NAT it works:-) In Norway most ISPs provide each ADSL-sub with a ADSL-router with NAT (not the normal ADSL-modem). A good thing[TM], except in this situation.
I would say it's a little unusual that you have to explicitly allow for outbound NAT'ing of certain ports and traffic. Inbound (DNAT'ing) I can understand, but outbound is a little strange to me. My Zyxel router used to do NAT'ing for me, and only on inbound did I need to set up ports and such.
http://ntp.isc.org/bin/view/Support/TroubleshootingNTP "If you're going to run ntpd, you need to fix your network/firewall/NAT so that ntpd can have full unrestricted access to UDP port 123 in both directions." The Netopia router has NAT *and* a filter. -- Bjørge Solli