make some tuning persistent in smb4.conf

Hi,
I got some weird devices where I can't do any modification (https://www.nidek-intl.com/product/ophthaloptom/diagnostic/dia_cornea/al-scan.html and https://www.nidek-intl.com/product/ophthaloptom/diagnostic/dia_cornea/opd-scan3.html)
They can communicate with Freenas if I do some modifications in the /usr/local/etc/smb4.conf
------
diff smb4.conf smb4.conf.ini
2c2
< server min protocol = NT1
---
> server min protocol = SMB2_02
20c20
< ntlm auth = yes
---
> ntlm...

make some tuning persistent in smb4.conf