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 *.vhlcentral.com (all subdomains (.vhlcentral.com).
  • NOTE: Be sure that it includes https://assets.vhlcentral.com
• 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 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):

• *.tokbox.com
• *.opentok.com

Ports to open (Highly Recommended):

• Open UDP ports 1025 – 65535

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

Whitelist the following domains:

• *.pubnub.com
• *.pubnub.net
• *.pubnub.io
• ps1 through ps20.pndsn.com

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.