wndr3400 After new spectrum service install i can not RDP, remote into or ping from outside.

> wndr3400 After new spectrum service install i can not RDP, remote into
> or ping from outside.

   Not really an appropriate Subject, is it?

> C6300

   There's an appropriate forum for this model, too:

      https://community.netgear.com/t5/x/bd-p/home-cable-modems-routers

   A forum search might find other, similar complaints/requests.

> [...] is there anyway for me to connect to a free service like [...]

   Visit https://dyndnss.net/eng/ , and look for "How do you use our
free DynDNS Service?".  Ignore the way which begins with "with a
router"?