lly, for the <a href=https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/>MongoDB Wire Protocol</a>, the
protocol can be specified as <code>MONGO</code>, instead of <code>TCP</code>.</p><p>For the <code>addresses</code> field of the entry, a block of IPs in <a href=https://tools.ietf.org/html/rfc2317>CIDR</a>
notation must be used. Note that the <code>hosts</code> field is ignored for TCP service entries.</p><p>To enable TCP traffic to an external service by its hostname, all the IPs of the host