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Verify Group Ownership on SSH Server Private *_key Key Files

An XCCDF Rule

Description

SSH server private keys, files that match the /etc/ssh/*_key glob, must be group-owned by ssh_keys group.

Rationale

If an unauthorized user obtains the private SSH host key file, the host could be impersonated.

ID
xccdf_org.ssgproject.content_rule_file_groupownership_sshd_private_key
Severity
Medium
Updated