Hi, Op 2 nov. 2013, om 12:16 heeft Masataka Ohta <mo...@necom830.hpcl.titech.ac.jp> het volgende geschreven:
> Mark Andrews wrote: > >> A cable modem both accepts DHCP packets (for management of the >> modem) and passes DHCP packets through to the customer device. > > Even if the CPE does so, which means there is no NAT, the key > to update rDNS must, naturally, be contained only in DHCP reply > to the CPE. You are misunderstanding the technology. Many cable operators offer a cable modem in bridged mode so that the customer can attach his own home-router behind it. Sending keys over a medium shared between multiple customers is not safe. Cheers, Sander
