You just need to add the mime type within Helm under the domain settings.
Click mime type.
Add new
Extension: .flv
Content Type: video/x-flv
click save.
Your flv file will now work.
You just need to add the mime type within Helm under the domain settings.
Click mime type.
Add new
Extension: .flv
Content Type: video/x-flv
click save.
Your flv file will now work.