Firewalledreplit blocking images in Markdown

Problem description:
Firewalledreplit blocking images in Markdown. Images included in the file manager are not showing up in the markdown.

Expected behavior:

Actual behavior:
Failed to load

Steps to reproduce:
upload image into file manager
call image in markup
image fails to load as it calls and not which has been blocked

Bug appears at this link:

OS: Windows
Device (Android, iOS, n/a leave blank): computer
Plan (Free, Hacker, Pro Plan): Teacher