cat /usr/local/etc/smb4.conf 
#
# SMB.CONF(5)           The configuration file for the Samba suite 
# $FreeBSD$
#


[global]
        dns proxy = No
        aio max threads = 2
        max log size = 5120
        load printers = No
        printing = bsd
        disable spoolss = Yes
        dos filemode = Yes
        kernel change notify = No
        directory name cache size = 0
        nsupdate command = /usr/local/bin/samba-nsupdate -g
        unix charset = UTF-8
        log level = 1 auth_json_audit:3@/var/log/samba4/auth_audit.log
        obey pam restrictions = False
        enable web service discovery = True
        username map = /usr/local/etc/smbusername.map
        username map cache time = 60
        logging = file
        server min protocol = SMB2_02
        unix extensions = No
        restrict anonymous = 2
        server string = TrueNAS Server
        bind interfaces only = Yes
        netbios name = truenas
        netbios aliases = 
        server role = standalone
        workgroup = WORKGROUP
        idmap config *: backend = tdb
        idmap config *: range = 90000001-100000000
        registry shares = yes
        include = registry