* CIS 1.5.1 Ensure core dumps are restricted
* CIS 1.5.3 Ensure address space layout randomization (ASLR) is enabled
* CIS 3.1.2 Ensure packet redirect sending is disabled
* CIS 3.2.1 Ensure source routed packets are not accepted
* CIS 3.2.2 Ensure ICMP redirects are not accepted
* CIS 3.2.3 Ensure secure ICMP redirects are not accepted
* CIS 3.2.4 Ensure suspicious packets are logged
* CIS 3.2.5 Ensure broadcast ICMP requests are ignored
* CIS 3.2.6 Ensure bogus ICMP responses are ignored
* CIS 3.2.7 Ensure Reverse Path Filtering is enabled
* CIS 3.2.8 Ensure TCP SYN Cookies is enabled

All sysctls are valid for Ubuntu 14.04, Ubuntu 16.04.

Change-Id: I48f34c55d97a78c253d4810db46b2a04ff5c0c1a