Operation Manual

14
DDNS
If your Modem Router’s Internet IP address is assigned dynamically and
youwishtohostaWebsiteorotherInternetservice,youcansignupwith
DynDNS.orgorTZO.comforDynamicDNS(DDNS)service.
SelectyourDDNSproviderfromthislistbox,entertherequiredinformation,
and click “Apply”.ThegatewaywillsenditsInternetIPaddresstotheprovider
sotheprovidercanupdateyourDNSentry.
ForDDNS.orgservice,youmustenterausername,password,andhostname.
ForTZO.comservice,youmustllinthecorrecte-mailaddress,password,
and domain name
Route
NetworkAddressTranslation(NAT)letsyouuse‘private’(andcost-free)IP
addressesonyourLANandasingle‘public’IPaddress(whichyoumust
payfor)ontheInternet.WhenalocalcomputeraccessestheInternet,your
broadband modem router changes the source address from the computer’s
to its own Internet IP address. When a response comes back, it changes the
destinationaddressfromitsInternetIPaddresstotherequestingcomputer’s