An SSH public key is one of two files used in SSH public key authentication. In this authentication method, a public key is a key that can be used for verifying digital signatures generated using a corresponding private key. Only a public key that corresponds to a private key will be able to authenticate successfully. Rationale: If a public host key file is modified by an unauthorized user, the SSH service may be compromised. Fix: Run the following commands to set ownership and permissions on the public SSH host key files: # find /etc/ssh -xdev -type f -name 'ssh_host_*_key.pub' -exec chown root:root {} ; # find /etc/ssh -xdev -type f -name 'ssh_host_*_key.pub' -exec chmod 0644 {} ;

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Run the following commands to set ownership and permissions on the public SSH host key files: # find /etc/ssh -xdev -type f -name ssh_host_*_key.pub -exec chown root:root {} \; # find /etc/ssh -xdev -type f -name ssh_host_*_key.pub -exec chmod 0644 {} \;