Firewall Setup for PUC
Cloud Server
PUC
Destination: https://puc.sitesage.net
Port: 443/https (TCP/UDP)
Destination: s3.amazonaws.com (For downloading PUC UI assets)
Port: 443/https (TCP/UDP)
DNS
To ensure proper name resolution for other destinations not designated by IP addresses. Not necessary if the network the system is installed on does proper DNS forwarding for public addresses.
Destinations: 8.8.8.8 1.1.1.1
Port: 53/dns (UDP)
Android Time Syncing
For keeping the tablet clocks in sync with the server.
Destinations: 1.android.pool.ntp.org 2.android.pool.ntp.org
Port: 123/ntp (UDP)
ELO tablet management
ELOView is the remote management software for ELO tablets used for installing and updating software and other administrative tasks.
Destination: https://eloview.com
Port: 443/https (TCP/UDP)
MQTT
a2nxwe2llmlsm4-ats.iot.us-west-2.amazonaws.com
Port: 443