This option can be set to a file (PEM format) containing CA certificates of root CAs to trust to sign certificates or intermediate CA certificates. This path is relative to if the path does not start with a /.
Registry Hive | HKEY_LOCAL_MACHINE |
Registry Path | Software\Policies\Samba\smb_conf\tls cafile |
Value Name | tls cafile |
Value Type | REG_SZ |
Default Value | tls/ca.pem |