Network misconfigurationsElastic Load Balancer (ELB) allows ingress access to SSH port 22
Platform(s)
Compliance Frameworks
CCPA, Mitre ATT&CK, New Zealand Information Security Manual, NIST 800-171, NIST 800-53, Orca Best Practices, UK Cyber Essentials
Description
SSH (Secure Shell) port - 22 is used to get CLI access to Linux instances. Allowing inbound traffic from all external IP addresses to SSH port is vulnerable to banner grabbing and brute force attack. It is a best practice to restrict access from specific IP addresses to port 22.
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