What addresses/ports does AbleSign player use?

AbleSign player requires network access to the following:

API

api.ablesign.tv (https)

Messaging server

mq.ablesign.tv (mqtts port 8883)
mq.ablesign.tv (wss port 8884)

Media files

ablesign-s3bucket.cdn.ablesign.tv (https)
us-east-1-ablesign-s3bucket.cdn.ablesign.tv (https)
ap-southeast-2-ablesign-s3bucket.cdn.ablesign.tv (https)

Time server

time.google.com (ntp)
pool.ntp.org (ntp)

Playback synchronization

If you use playback synchronization the sync leader needs to be able to broadcast UDP packets on the network.