| 1.9 Ensure updates, patches, and additional security software are installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND INFORMATION INTEGRITY |
| 2.1.2 Ensure daytime services are not enabled - daytime-stream | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.1.3 Ensure discard services are not enabled - discard-dgram | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.1.3 Ensure discard services are not enabled - discard-stream | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.1.5 Ensure time services are not enabled - time-dgram | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.2.3 Ensure Avahi Server is not installed - avahi | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.2.10 Ensure IMAP and POP3 server is not installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.2.14 Ensure NIS server is not installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.3.1 Ensure NIS Client is not installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 2.3.2 Ensure rsh client is not installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.2.2 Ensure packet redirect sending is disabled - 'net.ipv4.conf.all.send_redirects = 0 /etc/sysctl.conf /etc/sysctl.d/*' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.2.2 Ensure packet redirect sending is disabled - 'net.ipv4.conf.all.send_redirects = 0 /sbin/sysctl' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.3.1 Ensure source routed packets are not accepted - 'net.ipv4.conf.all.accept_source_route = 0 /etc/sysctl.conf /etc/sysctl.d/*' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.3.3 Ensure secure ICMP redirects are not accepted - 'net.ipv4.conf.all.secure_redirects = 0 /etc/sysctl.conf /etc/sysctl.d/*' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.3.3 Ensure secure ICMP redirects are not accepted - 'net.ipv4.conf.all.secure_redirects = 0 /sbin/sysctl' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.3.4 Ensure suspicious packets are logged - 'net.ipv4.conf.default.log_martians = 1 /etc/sysctl.conf /etc/sysctl.d/*' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 3.3.7 Ensure Reverse Path Filtering is enabled - 'net.ipv4.conf.all.rp_filter = 1 /sbin/sysctl' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.3.9 Ensure IPv6 router advertisements are not accepted - 'net.ipv6.conf.all.accept_ra = 0 /etc/sysctl.conf /etc/sysctl.d/*' | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 3.4.2 Ensure /etc/hosts.allow is configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.1 Ensure iptables is installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.4 Ensure IPv4 firewall rules exist for all open ports - iptables | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2 Ensure IPv6 loopback traffic is configured - OUTPUT | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3 Ensure IPv6 outbound and established connections are configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.4 Ensure IPv6 firewall rules exist for all open ports - ss | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.2.1.3 Ensure logging is configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host | CIS Red Hat 6 Server L1 v3.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts - InputTCPServerRun 514 | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 4.2.3 Ensure logrotate is configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 5.1.2 Ensure permissions on /etc/crontab are configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | ACCESS CONTROL |
| 5.1.5 Ensure permissions on /etc/cron.weekly are configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | ACCESS CONTROL |
| 5.1.6 Ensure permissions on /etc/cron.monthly are configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | ACCESS CONTROL |
| 5.2.1 Ensure sudo is installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND SERVICES ACQUISITION |
| 5.2.3 Ensure sudo log file exists | CIS Red Hat 6 Server L1 v3.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 5.3.1 Ensure permissions on /etc/ssh/sshd_config are configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | ACCESS CONTROL |
| 5.3.6 Ensure SSH LogLevel is appropriate - sshd | CIS Red Hat 6 Server L1 v3.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 5.3.13 Ensure SSH PermitUserEnvironment is disabled | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 5.3.14 Ensure only strong Ciphers are used - approved ciphers | CIS Red Hat 6 Server L1 v3.0.0 | Unix | ACCESS CONTROL, IDENTIFICATION AND AUTHENTICATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 5.3.14 Ensure only strong Ciphers are used - weak ciphers | CIS Red Hat 6 Server L1 v3.0.0 | Unix | ACCESS CONTROL, IDENTIFICATION AND AUTHENTICATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 5.3.15 Ensure only strong MAC algorithms are used - sshd_config | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND SERVICES ACQUISITION |
| 5.3.16 Ensure only strong Key Exchange algorithms are used - sshd_config | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND SERVICES ACQUISITION |
| 5.3.18 Ensure SSH LoginGraceTime is set to one minute or less | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 5.3.22 Ensure SSH MaxStartups is configured - sshd | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND SERVICES ACQUISITION |
| 5.3.23 Ensure SSH MaxSessions is limited - sshd | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND SERVICES ACQUISITION |
| 5.4.1 Ensure password creation requirements are configured - system-auth try_first_pass | CIS Red Hat 6 Server L1 v3.0.0 | Unix | IDENTIFICATION AND AUTHENTICATION |
| 5.4.3 Ensure password reuse is limited - password-auth | CIS Red Hat 6 Server L1 v3.0.0 | Unix | IDENTIFICATION AND AUTHENTICATION |
| 5.5.1.1 Ensure password expiration is 365 days or less - login.defs | CIS Red Hat 6 Server L1 v3.0.0 | Unix | IDENTIFICATION AND AUTHENTICATION |
| 5.5.1.1 Ensure password expiration is 365 days or less - users | CIS Red Hat 6 Server L1 v3.0.0 | Unix | IDENTIFICATION AND AUTHENTICATION |
| 5.5.1.2 Ensure minimum days between password changes is configured - /etc/login.defs | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND SERVICES ACQUISITION |
| 5.5.3 Ensure default group for the root account is GID 0 | CIS Red Hat 6 Server L1 v3.0.0 | Unix | CONFIGURATION MANAGEMENT |
| 5.5.5 Ensure default user umask is configured - system wide default | CIS Red Hat 6 Server L1 v3.0.0 | Unix | ACCESS CONTROL, MEDIA PROTECTION |