Disabling TCP ports on Unity storage

Hello all,

I'd like to disable some TCP ports (ex. 139, 445) for security reasons (caught on internal port scan during security audit)

I know I can disable it on NAS configuration via web management but,

I want to make these ports can't be scanned.

I've checked all svc_* commands but nothing seemed to be make that happen.

1. svc_firewall only supports for UDP

2. tcp_wrapper(hosts.deny) doesn't support for smb/cifs

3. no parameters for svc_nas param cifs facility

Is there any methods I can try?

Thanks in advance.

Kind Regards,