From /etc/services ntp 123/tcp ntp 123/udp # Network Time Protocol I would use "ntp" instead of "udp", and if it doesn't work, take a dump... :) ET Steven A. DuChene writes: > Hmm, I have added these systems to the ntp.conf file on my external gateway system > that serves as a firewall for my network but when I try to start the ntp service it sits > there forever trying to get an initial date and time from those systems. > > This external system has iptables rules and the ones that have to do with udp port 123 > are the following: > > -A input_ext -p udp -m pkttype --pkt-type broadcast -m udp --dport 123 -j ACCEPT > -A input_ext -p udp -m udp --dport 123 -j ACCEPT > > I am assuming I must have some sort of firewall issue blocking the acquisition of > the date and time from the external servers but it would seem like the above rules > that were already present in my firewall setup would have made that a non-issue. > > Anyone got any ideas or suggestions about this? > > -----Original Message----- >>From: Eric Shubert >>Sent: Aug 25, 2009 10:54 AM >>To: plug-discuss@lists.plug.phoenix.az.us >>Subject: Re: correct way to set timezone & clock/date? >> >>Steven A. DuChene wrote: >>> I have a few systems here in my home that are either fedora or opensuse installs. >>> I was setting up ganglia last night to add some monitoring to my home setup >>> and discovered I had some issues with clock skew. When I got to looking I noticed >>> that the timezones were set to MST and most of the systems were off by about >>> a hour. What is the correct way to setup the timezone correctly for systems located >>> here in Phoenix where daylight savings time changes do not take place? >>> >>> Also if you have a small home network what methods do everyone usually use >>> to keep clocks in sync across the network? I.E. if you use NTP what externally >>> reliable NTP server do you use? >>> -- >>> Steven DuChene >>> >>> >> >>I pick a host on my lan (VMware server or IPCop) to be my ntp server, >>then use a near-by ntp servers to sync with. Your lan's dhcp server >>(IPCop) can then hand out your lan's ntp server address to your dhcp >>clients. >> >>server dewey.lib.ci.phoenix.az.us >>server ntp.drydog.com >>are both in the vicinity, and I haven't had any problem with either of >>them in the many years I've used them. >> >>-- >>-Eric 'shubes' >> >>--------------------------------------------------- >>PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us >>To subscribe, unsubscribe, or to change your mail settings: >>http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss