| Complete | Requirement | Action | Config | Comment |
|---|---|---|---|---|
| Must | Define | Protocol 2 | ||
| Must | Define | PermitRootLogon no | ||
| Must | Define | TCPKeepAlive yes | ||
| Must | Not Define | Protocol 1 | ||
| Should | Define | X11Forwarding no | ||
| Should | Define | AllowTcpForwarding no | ||
| Should | Define | GatewayPorts no | ||
| Should | Define | PermitTunnel no | ||
| Must | Define | -A INPUT -p udp -m udp --dport $PORT -j ACCEPT | In iptables configuration |