In any computer, files and programs have a 'permission' level, meaning it states who can read, write, change, or run them. In Joomla! (Linux-based machines) we have three sets of permissions: one for the 'owner', one for the 'group', and one for the 'world'. A common security mistake is setting these incorrectly.
In this short recipe, you will check your permissions for your 'files' and 'folders'.
You will need:
Your FileZilla FTP client and FTP username and password.