This option contains the services that the Samba daemon will
run.
An entry in the smb.conf file can either
override the previous value completely or entries can be removed from
or added to it by prefixing them with + or
-.
s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbindd, ntp_signd, kcc, dnsupdate, dns
-s3fs, +smb