This guide will show you the simple concept of how to open ports on your touter for your DVR and NVR
[Download](https://s3.amazonaws.com/elevio-article-assets/578e3becd17df/57a0d27592713_port-forwarding-basics-1.pdf)
[Download](https://s3.amazonaws.com/elevio-article-assets/578e3becd17df/57a0d27592713_port-forwarding-basics-1.pdf)
Updated on: 10 / 12 / 2018