Unable to automatically set time

[John Aldrich]

When I attempt to enable the automatic time setting, it will let me get as 
far as setting the NTP server I want to use, but then it comes up and gives 
me an error that it can't contact the NTP server. Any suggestions? I *am* 
behind a DSL router, and if need be, I can put an exception in the firewall 
to allow NTP, but I shouldn't need to as I think it allows anything 
*outbound* and restricts *inbound* connections.