chore: update default rules
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@ -25,17 +25,11 @@ auditd_max_log_file: 10
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# @var auditd_num_logs:description: Number of logs to keep
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auditd_num_logs: 5
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auditd_space_left_action: SYSLOG
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auditd_space_left_action: email
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auditd_action_mail_acct: root
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auditd_admin_space_left_action: SUSPEND
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auditd_admin_space_left_action: halt
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auditd_max_log_file_action: rotate
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auditd_max_log_file_action: ROTATE
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# @var auditd_filter_rules_extra:example: >
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# auditd_filter_rules_extra:
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# - comment: Ignore current working directory records # defaults to not set
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# rule: '-a always,exclude -F msgtype=CWD' # can be list or string
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# state: present # defaults to present
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auditd_filter_rules_default:
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- comment: Ignore current working directory records
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rule: "-a always,exclude -F msgtype=CWD"
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@ -54,81 +48,82 @@ auditd_filter_rules_default:
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- "-a exit,never -F arch=b32 -F dir=/var/lock/lvm -k locklvm"
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- "-a exit,never -F arch=b64 -F dir=/var/lock/lvm -k locklvm"
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# @var auditd_filter_rules_extra:example: >
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# auditd_filter_rules_extra:
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# - comment: Ignore current working directory records # defaults to not set
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# rule: '-a always,exclude -F msgtype=CWD' # can be list or string
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# state: present # defaults to present
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auditd_filter_rules_extra: []
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auditd_main_rules_default:
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- comment: CIS 4.1.4 - Changes to the time
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- comment: CIS 4.1.3.1 - Changes to system administration scope
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rule:
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- "-a always,exit -F arch=b64 -S adjtimex -S settimeofday -k time-change"
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- "-a always,exit -F arch=b32 -S adjtimex -S settimeofday -S stime -k time-change"
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- "-a always,exit -F arch=b64 -S clock_settime -k time-change"
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- "-a always,exit -F arch=b32 -S clock_settime -k time-change"
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- "-w /etc/sudoers -p wa -k actions"
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- "-w /etc/sudoers.d/ -p wa -k actions"
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- comment: CIS 4.1.3.4 - Events that modify date and time information
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rule:
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- "-a always,exit -F arch=b64 -S adjtimex,settimeofday,clock_settime -k time_change"
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- "-a always,exit -F arch=b32 -S adjtimex,settimeofday,clock_settime,stime -k time_change"
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- "-w /etc/localtime -p wa -k time-change"
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- comment: CIS 4.1.5 - Changes to user/group information
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- comment: CIS 4.1.3.5 - Changes to the network environment
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rule:
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- "-a always,exit -F arch=b64 -S sethostname,setdomainname -k system-locale"
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- "-a always,exit -F arch=b32 -S sethostname,setdomainname -k system-locale"
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- "-w /etc/issue -p wa -k system-locale"
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- "-w /etc/issue.net -p wa -k system-locale"
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- "-w /etc/hosts -p wa -k system-locale"
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- "-w /etc/sysconfig/network -p wa -k system-locale"
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- "-w /etc/sysconfig/network-scripts/ -p wa -k system-locale"
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- comment: CIS 4.1.3.7 - Unsuccessful file access attempts
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rule:
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- "-a always,exit -F arch=b64 -S creat,open,openat,truncate,ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=unset -k access"
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- "-a always,exit -F arch=b64 -S creat,open,openat,truncate,ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=unset -k access"
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- "-a always,exit -F arch=b32 -S creat,open,openat,truncate,ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=unset -k access"
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- "-a always,exit -F arch=b32 -S creat,open,openat,truncate,ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=unset -k access"
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- comment: CIS 4.1.3.8 - Modify user/group information
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rule:
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- "-w /etc/group -p wa -k identity"
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- "-w /etc/passwd -p wa -k identity"
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- "-w /etc/gshadow -p wa -k identity"
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- "-w /etc/shadow -p wa -k identity"
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- "-w /etc/security/opasswd -p wa -k identity"
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- comment: CIS 4.1.6 - Changes to the network environment
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- comment: CIS 4.1.3.9 - Discretionary access control permission modifications
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rule:
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- "-a exit,always -F arch=b64 -S sethostname -S setdomainname -k system-locale"
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- "-a exit,always -F arch=b32 -S sethostname -S setdomainname -k system-locale"
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- "-w /etc/issue -p wa -k system-locale"
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- "-w /etc/issue.net -p wa -k system-locale"
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- "-w /etc/hosts -p wa -k system-locale"
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- "-w /etc/network -p wa -k system-locale"
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- comment: CIS 4.1.7 - Changes to system's Mandatory Access Controls
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- "-a always,exit -F arch=b64 -S chmod,fchmod,fchmodat -F auid>=1000 -F auid!=unset -F key=perm_mod"
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- "-a always,exit -F arch=b64 -S chown,fchown,lchown,fchownat -F auid>=1000 -F auid!=unset -F key=perm_mod"
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- "-a always,exit -F arch=b32 -S chmod,fchmod,fchmodat -F auid>=1000 -F auid!=unset -F key=perm_mod"
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- "-a always,exit -F arch=b32 -S lchown,fchown,chown,fchownat -F auid>=1000 -F auid!=unset -F key=perm_mod"
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- "-a always,exit -F arch=b64 -S setxattr,lsetxattr,fsetxattr,removexattr,lremovexattr,fremovexattr -F auid>=1000 -F auid!=unset -F key=perm_mod"
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- "-a always,exit -F arch=b32 -S setxattr,lsetxattr,fsetxattr,removexattr,lremovexattr,fremovexattr -F auid>=1000 -F auid!=unset -F key=perm_mod"
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- comment: CIS 4.1.3.10 - Successful file system mounts
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rule:
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- "-w /etc/apparmor/ -p wa -k MAC-policy"
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- "-w /etc/apparmor.d/ -p wa -k MAC-policy"
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- comment: CIS 4.1.8 - Log login/logout events
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rule:
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- "-w /var/log/faillog -p wa -k logins"
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- "-w /var/log/lastlog -p wa -k logins"
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- "-w /var/log/tallylog -p wa -k logins"
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- comment: CIS 4.1.9 - Log session initiation information
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- "-a always,exit -F arch=b64 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts"
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- "-a always,exit -F arch=b32 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts"
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- comment: CIS 4.1.3.11 - Session initiation information
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rule:
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- "-w /var/run/utmp -p wa -k session"
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- "-w /var/log/wtmp -p wa -k logins"
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- "-w /var/log/btmp -p wa -k logins"
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- comment: CIS 4.1.10 - Log Discretionary Access Control modifications
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- comment: CIS 4.1.3.12 - Login and logout events
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rule:
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- "-a always,exit -F arch=b64 -S chmod -S fchmod -S fchmodat -F auid>=1000 -F auid!=4294967295 -k perm_mod"
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- "-a always,exit -F arch=b32 -S chmod -S fchmod -S fchmodat -F auid>=1000 -F auid!=4294967295 -k perm_mod"
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- "-a always,exit -F arch=b64 -S chown -S fchown -S fchownat -S lchown -F auid>=1000 -F auid!=4294967295 -k perm_mod"
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- "-a always,exit -F arch=b32 -S chown -S fchown -S fchownat -S lchown -F auid>=1000 -F auid!=4294967295 -k perm_mod"
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- "-a always,exit -F arch=b64 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod"
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- "-a always,exit -F arch=b32 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod"
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- comment: CIS 4.1.11 - Log unsuccessful unauthorized file access attempts
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- "-w /var/log/lastlog -p wa -k logins"
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- "-w /var/log/tallylog -p wa -k logins"
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- "-w /var/run/faillock -p wa -k logins"
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- comment: CIS 4.1.3.13 - File deletion events by users
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rule:
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- "-a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=4294967295 -k access"
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- "-a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=4294967295 -k access"
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- "-a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access"
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- "-a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access"
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- comment: CIS 4.1.13 - Log successful file system mounts
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- "-a always,exit -F arch=b64 -S unlink,unlinkat,rename,renameat -F auid>=1000 -F auid!=unset -k delete"
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- "-a always,exit -F arch=b32 -S unlink,unlinkat,rename,renameat -F auid>=1000 -F auid!=unset -k delete"
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- comment: CIS 4.1.3.14 - Changes to the Mandatory Access Controls
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rule:
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- "-a always,exit -F arch=b64 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts"
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- "-a always,exit -F arch=b32 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts"
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- comment: CIS 4.1.14 - Log file deletion Events by User
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- "-w /etc/selinux/ -p wa -k MAC-policy"
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- "-w /usr/share/selinux/ -p wa -k MAC-policy"
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- comment: CIS 4.1.3.19 - Kernel module loading unloading and modification
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rule:
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- "-a always,exit -F arch=b64 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete"
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- "-a always,exit -F arch=b32 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete"
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- comment: CIS 4.1.15 - Log changes to sudoers
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rule:
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- "-w /etc/sudoers -p wa -k scope"
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- "-w /etc/sudoers.d/ -p wa -k scope"
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- comment: CIS 4.1.16 - Log sudolog
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rule:
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- "-w /var/log/sudo.log -p wa -k actions"
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- comment: CIS 4.1.17 - Log kernel module actions
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rule:
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- "-w /sbin/insmod -p x -k modules"
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- "-w /sbin/rmmod -p x -k modules"
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- "-w /sbin/modprobe -p x -k modules"
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- "-a always,exit -F arch=b64 -S init_module -S delete_module -k modules"
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- "-a always,exit -F arch=b64 -S finit_module,create_module,query_module -F auid>=1000 -F auid!=unset -k kernel_modules"
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- "-a always,exit -F arch=b32 -S finit_module,create_module,query_module -F auid>=1000 -F auid!=unset -k kernel_modules"
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- "-a always,exit -F arch=b64 -S init_module,delete_module -k kernel_modules"
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- "-a always,exit -F arch=b32 -S init_module,delete_module -k kernel_modules"
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- "-a always,exit -F path=/usr/bin/kmod -F perm=x -F auid>=1000 -F auid!=unset -k kernel_modules"
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auditd_main_rules_extra: []
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auditd_optional_rules_default: []
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@ -7,3 +7,5 @@
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state: started
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when: not auditd_refuse_manual_stop | bool
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listen: __auditd_restart
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become: True
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become_user: root
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@ -1,4 +1,4 @@
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{% if auditd_config_immutable %}
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{% if auditd_config_immutable | bool %}
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## Make the configuration immutable
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-e 2
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{% endif %}
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