Network Connectivity Requirements: Ports and Domains to Whitelist


Firewall settings that filter network traffic may be preventing access to certain VHLCentral / Supersite features.  In order to ensure the best experience for your students and instructors, your firewall may need to be updated to allow access to the following domains and ports:

  • Allow access to * (all subdomains including
  • Open ports 80, 443, and 1935 to all TCP traffic (1935 is used for the recording service via RTMP, which is TCP-based)


Additional network requirements:  

TokBox will be handling our new video/audio communication and recording tools, such as Partner Chat and Live Chat.

Ports to open (Required):

  • Open TCP port 443
  • Open UDP Port 3478

Whitelist the following domains (Required):

  • *
  • *

Ports to open (Highly Recommended):

  • Open UDP ports 1025 – 65535.

To learn more about TokBox firewall and proxy requirements, visit the following article entitled "What are the TokBox network connectivity requirements?"



Pubnub will be handling text chatting capabilities and the "sending/receiving" of invitations from Partner Chat and Live Chat.

Whitelist the following domains:

  • *
  • *
  • *
  • ps1 through


PLEASE TAKE NOTICE: This information needs to be provided to the appropriate network technician or schools' IT department/staff for them to make these necessary adjustments.