The DVR has default IP and port 80 do i have to change that you mean no i think
# Set router to forward chosen port to internal IP address of DVR. For example: route port 80 to 192.168.1.10.
# You have a static IP so you don't need to use sevices like
www.dyndns.org
How can i set the router to do that
And for educational reason i have create a hostname in dyndns.org how can i set it up