Which one of the following rules enforces the “Deny everything that is not explicitly allowed” policy? a. Stealth rule b. Denial rule c. Cleanup rule d. Firewall rule Which one of the following rules...

Which one of the following rules enforces the “Deny everything that is not explicitly allowed” policy? a. Stealth rule b. Denial rule c. Cleanup rule d. Firewall rule Which one of the following rules protects the firewall itself from external attack? a. Stealth rule b. Denial rule c. Cleanup rule d. Firewall rule Perform similar research on the open-source netfilter and iptables firewall packages available for Linux systems. Information on netfilter and iptables can be found at: http://www.netfilter.org/ http://linuxgazette.net/103/odonovan.html