I work in Technology for a Middle School and since start of school our Computer Application teacher has been using the MIT Appinventor without any issues with his students. Just this past week when students try logging in, after logon our firewall is blocking further access. I've worked with our ne…

The recommendation was to try whitelist accounts.youtube.... but to BLOCK the rest of youtube as you do now at the same time. Block youtube and whitelist accounts. if that is possible.