Inserting an image using URL

When am trying to retrieve the image in my development environemnt using URL, Image is retrieved succesfully using below URL https://hostname:8080/faq.gif But when i try get the same image in UAT environment I getting nginx 404 not found.. URL used is Do i need to get some access to retrieve the image?
1 answers

As a test try (works from here)$accept.gif

The filename can be case-sensitive in UAT. In Windows (development) it is not case sensitive.