These are the ports that would need to be open to communicate with Quickchannel. 
Each port is associated with a specific service or application as specified below.

Required for uploading of files via FTP
21 - tcp FTP / FTPs
40010:40210 - tcp FTP

Required to access content
53 - udp DNS
80 - tcp HTTP
443 - tcp HTTPs

Required for live streaming
1935 - tcp RTMP

Sharing webcam/screen in live event, webinar and low latency producer player
3478 - udp Webrtc/stun
3479 - udp Webrtc/stun