Severity Framework
Snyk CCSS
Rule category
Network / Ports
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- Snyk ID SNYK-CC-00106
- credit Snyk Research Team
Description
Removing unfettered connectivity to an etcd server reduces the chance of exposing critical data.
How to fix?
Set the ingress.cidr_blocks attribute with a more restrictive CIDR block, for example 192.16.0.0/24.
Example Configuration
resource "aws_security_group" "allow_some_cidr_valid" {
name = "allow_some_cidr_valid"
description = "Allow from valid CIDR"
ingress {
from_port = 2379
to_port = 2379
protocol = "tcp"
cidr_blocks = ["192.16.0.0/24"]
}
}