CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
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Test your applicationsAllowing all outbound traffic by default due to missing egress rules can lead to data exfiltration and unauthorized external communications. Explicitly configuring egress rules helps in maintaining a least privilege network posture by only permitting necessary outbound connections.
Set the egress
attribute in aws_network_acl
resource.
resource "aws_network_acl" "allow1" {
vpc_id = aws_vpc.main.id
egress {
protocol = "tcp"
rule_no = 200
action = "allow"
cidr_block = "10.3.0.0/18"
from_port = 443
to_port = 443
}
ingress {
protocol = "tcp"
rule_no = 100
action = "allow"
cidr_block = "10.3.0.0/18"
from_port = 80
to_port = 80
}
}