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            NTU Optical Network Terminals    49 
 
–  D-DNS  provider—select  a  type  of  the  D-DNS  service  (provider):  DynDNS.org,  TZO.com,  ZoneEdit.com, 
freedns.afraid.org, easyDNS.com, 3322.org, DynSIP.org, No-IP.com, dnsomatic.com, sitelutions.com; 
–  Custom—any other provider selected by the user. In this case, the user will need to specify manually the 
provider's name and address: 
 
–  Username—user name for the DDNS account; 
–  Password—password for the DDNS account; 
–  DDNS Provider Server Name—name of the DDNS service provider; 
–  DDNS Provider URL—address of the DDNS service provider; 
–  Hostname—host name registered in the DDNS service provider; 
–  Interface—access interface. 
Depending on the chosen provider the following fields are available: