-valid is not a config option
docs/docbook/projdoc/Diagnosis.sgml - Needs extension
Documentation for following smb.conf.5 parameters does not exist:
--valid // misc
acl compatibility // protocol
client signing // protocol
client use spnego // protocol
client lanman auth // security
client NTLMv2 auth // security
idmap backend // security
-preload modules // security
sam backend // security
kernel change notify // tuning
lpq cache time // tuning