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