Added all Section 6 items from Levels 1 & 2

https://benchmarks.cisecurity.org/tools2/ubuntu/CIS_Ubuntu_12.04_LTS_Server_Benchmark_v1.0.0.pdf
Looks like rsyncd can run under inetd (which is also disabled earlier in the CIS process.)  The default will stop it from running in that manner.  I can add this to my section 8 PR.