OpenADR Quick Setup Guide.Rev 2

2. Connectivity requirements
a) The network must initially be DHCP enabled. You can change these settings to static once you
access ISY for the first time. In all cases, ISY must be able to use DNS to resolve domain names to
IP addresses
b) No inbound ports or port forwarding rules are necessary
c) The following outbound protocol/ports/URLs
➢ TCP [HTTPS] to the Utility VTN URL/Port (please see section 3c)
➢ Network Time Server [UDP] port 123 (if and only if not internal)
d) The following outbound rule is necessary if and only if ISY Portal is used for remote access
➢ TCP [HTTPS] to https://my.isy.io port 443