From the STORM dashboard click on Websites
On this page you will see a list of Websites that you currently have set up on your Nimbus server. Click the cog icon next to your website to manage your website.
Click on Configuration.
Click the Reset Permissions button.
Resetting the file permissions on your site will apply standard read and write permissions on your all of your websites files and folders. This will apply 644 permissions to the files and 755 permissions to the folders. Please contact the Nimbus support team if you unsure whether to do this.