Direction of traffic to which this firewall applies, either INGRESS or EGRESS. The default is INGRESS. For INGRESS traffic, you cannot specify the destinationRanges field, and for EGRESS traffic, you cannot specify the sourceRanges or sourceTags fields.
value: 0 A value indicating that the enum field is not set.
value: 432880501 Indicates that firewall should apply to outgoing traffic.
value: 516931221 Indicates that firewall should apply to incoming traffic.