openssh CIS compliance

* CIS 5.2.1 Ensure permissions on /etc/ssh/sshd_config are configured (Scored)
* CIS 5.2.2 Ensure SSH Protocol is set to 2 (Scored)
* CIS 5.2.3 Ensure SSH LogLevel is set to INFO (Scored)
* CIS 5.2.4 Ensure SSH X11 forwarding is disabled (Scored)
* CIS 5.2.5 Ensure SSH MaxAuthTries is set to 4 or less (Scored)
* CIS 5.2.6 Ensure SSH IgnoreRhosts is enabled (Scored)
* CIS 5.2.7 Ensure SSH HostbasedAuthentication is disabled (Scored)
* CIS 5.2.8 Ensure SSH root login is disabled (Scored)
* CIS 5.2.9 Ensure SSH PermitEmptyPasswords is disabled (Scored)
* CIS 5.2.10 Ensure SSH PermitUserEnvironment is disabled (Scored)
* CIS 5.2.11 Ensure only approved MAC algorithms are used (Scored)
* CIS 5.2.12 Ensure SSH Idle Timeout Interval is configured (Scored)
* CIS 5.2.13 Ensure SSH LoginGraceTime is set to one minute or less (Scored)
* CIS 5.2.14 Ensure SSH access is limited (Scored)
* CIS 5.2.15 Ensure SSH warning banner is configured (Scored)

Change-Id: Ie53dbdfada27bdb08d3571be10e0de95117a1a17
18 files changed