1) To recursively give directories read&execute privileges
2) To recursively give files read privileges:

find /path/to/base/dir -type d -exec chmod 755 {} +
find /path/to/base/dir -type f -exec chmod 644 {} +

Get list of acls

getfacl .

Set default group for all files in directories (recursive)

#sudo chmod g+s .
# recursive set group bit => every file inherits group from parent directory
sudo find . -type d -exec chmod g+s {} +


# set current group rwx righs
sudo setfacl -R -m group::rwx .

# set default group rwx rights
sudo setfacl -dR -m group::rwx .