The password corresponding to the user
name specified by zoneCopyUserName object
on the remote device. This object is
meaningful only if the corresponding
instance of zoneCopyDestFileType object is
'networkFile' and the protocol to be
used as specified by zoneCopyProto is
'ftp' or 'sftp' or 'scp'.
The value of this object when read is
always the zero length string for
security reasons.