[expert] DDNS and DHCPD

[Phil Green]

I'm trying to setup DDNS with the DHCPD on a 7.2 server.  The log files say that there is no authorization for xxx.xxx.xxx.xxx to update DNS.  How do I authorize a subnet to update DNS?  For example, everyone in 192.168.1.0 and 192.168.2.0 and so on.