Severity Framework
Snyk CCSS
Rule category
Network / Ports
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Test your applicationsFrameworks
CIS-AWS
CIS-Controls
CSA-CCM
ISO-27001
NIST-800-53
PCI-DSS
SOC-2
- Snyk ID SNYK-CC-00110
- credit Snyk Research Team
Description
Removing unfettered connectivity to remote console services, such as SSH, reduces a server's exposure to risk.
How to fix?
Set the ingress.cidr_blocks attribute to 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 = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["192.16.0.0/24"]
}
}