Gui for configuring NTP

[Scot L. Harris]

On Fri, 2005-12-09 at 19:12, jdow wrote:
> From: "Paul Smith" <phhs80 at gmail.com>
> 

> >> > Is your iptables open for NTP?
> >> > I have this:
> >> > -A INPUT -s 66.187.233.4 -p udp -m udp --sport 123 --dport 123 -j ACCEPT
> >> > -A INPUT -s 66.187.224.4 -p udp -m udp --sport 123 --dport 123 -j ACCEPT
> 
> 
> 
> NOTE: that is only good if you have "clock1.redhat.com" as your clock
> server. Make it correct for the clock server you select. You may have to
> make it a range of addresses.
> 

Why would you need to open these ports to have your system update it's
time using NTP?  My systems seem to get NTP updates just fine sitting
behind a firewall that does not have these ports opened.