Failed to retrieve directory listing IIS FTP when used with external (outside firewall) address

I’m trying to configure an FTP site with IIS on Windows 10. Active connections made to the server’s internal (behind the firewall) address work properly (e.g. 10.0.1.4), but any type of connection (active or passive) to the external IP for the server fails. Passive connections (using these is my goal) fail giving a “Failed to…

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Add menu item to windows context menu only for directory than contain specific child directory

Similar to https://stackoverflow.com/questions/2123762/add-menu-item-to-windows-context-menu-only-for-specific-filetype Is is possible to add menu item to windows context menu only for directory than contain specific child directory? Use case: display context menu for directory if and only if the directory contains child directory named .git/ (directly, i.e. not in subdirectory). Thanks is advance.

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