Disable direct root login
Setting complex root password
Secure SSHD Port
Secure OpenSSH server
sysctl.conf Hardening
host.conf Hardening
Network Security with hosts.allow & hosts.deny
Configuring Iptables and TCPwrappers
Root Login Email Notifications
Noexec, Nosuid Temporary Directories (noexec Directories such as /tmp, /var/tmp, /dev/shm)
Security Updates as released by OS and/or Control Panel
Disk partitioning
Disk quotas
File permissions
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