The following URLs should be whitelisted:

https://portals.lab-aids.com
http://s3.amazonaws.com/prd.stcn.labaids.prd.getmagicbox.us
http://s3.amazonaws.com/prd.pvt.labaids.prd.getmagicbox.us
prd.pvt.labaids.prd.getmagicbox.us
prd.stcn.labaids.prd.getmagicbox.us

We do utilize vimeo.com for streaming certain videos for students and teachers. Please contact us if you need a list of all URLs to whitelist these videos.