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Review JBL Lab2 (Configuring Basic Security Controls on a CentOS Linux Server). Practice
setting up Runlevels:
1- Enable an internal, host-based firewall (i.e., iptables)
2-Set the firewall to start when it enters runlevels 2 through 5
Review JBL Lab 6 (Hardening Security by Controlling Access), answer the following question:
3-Suppose the domain hackers.com is denied for all services in the deny, but the hosts.allow file
has the rule ALL:ALL. Will TCP Wrappers allow hackers.com access or not?

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