Trying to log in owncloud from ipjhone

i have dyn account
i can log on the network (HOME) but i cant off network
can anyone point me in the right !!!!

Teaching network basics which are needed for such issues are out of the scope of this forums. A few keywords for your own reasearch on your net are:

Port forwarding

Pages like or tools like traceroute, nmap and ping are supporting you with this task.

you need to open port 80 (http) and 443 (https)

you need to open them both on ur router and ur server.