samba share but sub folders are not readable
You should set the filespermission for the diretory to 774.chmod -R 774 your_directory
Then set the guest user in the [global] section and enable the share in smb.conf.
security = share
guest account = nobody
Now create the share
[your_share]
comment = your share access
path = /path_to_share
browseable = yes
read only = yes
guest ok = yes