--- {{ if .Vars.ubtu24cis_level_1 }} {{ if .Vars.ubtu24cis_rule_3_3_4 }} kernel-param: net.ipv4.icmp_echo_ignore_broadcasts: title: 3.3.4 | Ensure broadcast ICMP requests are ignored | ipv4 ignore broadcast icmp value: '1' meta: server: 1 workstation: 1 CIS_ID: - 3.3.4 CISv8: - 4.8 CISv8_IG1: false CISv8_IG2: true CISv8_IG3: true NIST800-53R5: - CM-1 - CM-2 - CM-6 - CM-7 - IA-5 command: ipv4_ignore_icmp_broadcast: title: 3.3.4 | Ensure broadcast ICMP requests are ignored | ipv4 ignore broadcast icmp conf exec: grep "net\.ipv4\.icmp_echo_ignore_broadcasts" /etc/sysctl.conf /etc/sysctl.d/* exit-status: or: - 0 - 1 stdout: - '/^\/etc\/sysctl.*:net.ipv4.icmp_echo_ignore_broadcasts\s*=\s*1/' meta: server: 1 workstation: 1 CIS_ID: - 3.3.4 CISv8: - 4.8 CISv8_IG1: false CISv8_IG2: true CISv8_IG3: true NIST800-53R5: - CM-1 - CM-2 - CM-6 - CM-7 - IA-5 {{ end }} {{ end }}