```release-note:breaking-change
resource/aws_default_network_acl: These arguments can no longer be set to `""`: `egress.*.cidr_block`, `egress.*.ipv6_cidr_block`, `ingress.*.cidr_block`, or `ingress.*.ipv6_cidr_block`
```

```release-note:breaking-change
resource/aws_network_acl: These arguments can no longer be set to `""`: `egress.*.cidr_block`, `egress.*.ipv6_cidr_block`, `ingress.*.cidr_block`, or `ingress.*.ipv6_cidr_block`
```