NOTE: This article is only relevant if you have a firewall on your wifi. If you do not have someone managing IT at your center, you likely do not have a firewall
If photos, videos, or other attachments are not uploading when using Playground, you may have a firewall blocking Playground's server from uploading images. You can fix this by adding the following domain with wild cards to your whitelist
*.googleapis.com/*
34.72.28.29
34.67.234.134
34.67.6.157
34.72.239.218
34.71.242.81