Requirements : Network and Firewall Requirements : LAN/Network Communications
  
LAN/Network Communications
The following port(s) are required for administrative access to the portal on each onQ Appliance and for alerts, updates, and licensing. These ports should not be open to public access:
Direction
Port
Protocol
Purpose
LAN‑only Inbound
80 & 443
TCP
onQ Portal access. Needed internally on private network LAN only. No Internet access recommended.
Inbound
443
TCP
https from onQ IP needed to the Internet for licensing and alerts
Outbound
443
HTTPS
Access for alerts (httpsalerts.onqcentral.com), updates and licensing (updates.onqcentral.com).
Inbound & Outbound
123
UDP
Communication with NTP (ntp.org).