Certain pages on Kohl's return 'Bad Request' errors
HTTPS-Everywhere 3.4.1 on FF 24 (tested on Mac and Linux).
Navigating to certain Kohl's websites will return 'Bad Request' pages. Some pages will load, some won't. Here's an example that does not load properly:
Disabling HTTPS-Everywhere solves the issue and the page loads properly.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information