[CentOS] NIS/YP revelation (I think)

Scott Ehrlich wrote:
> I did discover tcpdump produces an ICMP host <hostname> unreachable 
> error during ypbind, but does NOT do so when ypbind is not running.
> 
> I also was reminded the firewall on the server is running, but I had 
> these exact problems when the firewall was disabled.
> 
> Trying to track down the problem via google, and am open to any 
> responses people have here...

What does your /etc/nsswitch.conf file contain?

James Pearson