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Harden SSH (Force public key auth and deny root login)
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| #!/bin/bash | |
| # Force public key authentication | |
| cat > /etc/ssh/sshd_config.d/20-force_publickey_auth.conf <<EOF | |
| PasswordAuthentication no | |
| AuthenticationMethods publickey | |
| EOF | |
| # Deny root login | |
| echo "PermitRootLogin no" > /etc/ssh/sshd_config.d/20-deny_root.conf |
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