How to restore ~/Public/Drop Box

I have tried to:

Reboot.

Stop & restart filesharing and disable & enable guest access.

I tried to copy the Drop Box folder from a backup, but that lost the correct factory permissions for that folder, too.

I also created ~/Public/Drop Box folder from scratch. I had to enable Write only (Drop Box) permissions for staff and everyone so the guest can use it. But I couldn't figure out how to add another row to the top with Custom Privileges like it is in the factory default:

Without that line, the files the guest drops there get incomplete permissions. (For example I dropped my ready-made Text Wrangler prefs files to my daughter's Mac and wondered why they didn't work and caused Text Wrangler to hang. It was caused by the missing ownership):

The same file dropped to my son's Mac with the factory default Drop Box folder permissions work OK:

How can I adjust the ~/Public/Drop Box folder's permissions correctly?

Thanks for the detailed info but unfortunately that didn't reset ~/Public/Drop Box folder's permissions to their factory defaults.

So currently dropping file as a guest to the Drop Box folder marks it Read & Writeable only for "nobody". It used to be Read & Writeable also to the account's owner.

Connecting to her Mac via her username & password gets the permissions right. But I have used the guest account to copy some files to her computer and would like to continue to do so. She'd rather not fiddle with permissions.

It seems the account's owner's top duplicate line with "Custom" permissions is needed for guest sharing to work. I tried to add it there via the GUI but it didn't seem to get the job done. Maybe that could be done via the Terminal?

My clean install of OS X 10.9 has that "Custom" entry and it seems work with guest sharing:

drwx-wx-wx+ 4 matti staff 136 17 Elo 17:49 Drop Box

My daughter's permissions lack that "Custom" entry and she don't get ownership to files dropped there as a guest:

drwx-wx-wx 4 Sara staff 136 17 Elo 18:33 Drop Box

So maybe I should now learn how use chmod to add that missing + at to the end?

...OK, these Terminal commands seem to do the trick:

cd ~/Public/

mkdir "Drop Box"

chmod 733 "Drop Box"

chmod +a "$USER allow list,add_file,search,delete,add_subdirectory,delete_child,readattr,writeattr,re adextattr,writeextattr,readsecurity,writesecurity,chown,file_inherit,directory_i nherit" "Drop Box"

Please tell me if the last command needs fine-tuning.

Now guest sharing works as it used to do.

This page helped me to the right track:

http://www.mactalk.com.au/11/99707-create-proper-drop-box-os-x.html