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Revision 1.4

Apr 1, 2022
Functional Update
  • 5.5.4 Ensure default user shell timeout is configured
Informational Update
  • 1.1.1.2 Ensure mounting of udf filesystems is disabled
  • 1.1.12 Ensure noexec option set on /var/tmp partition
  • 1.1.13 Ensure nodev option set on /var/tmp partition
  • 1.1.14 Ensure nosuid option set on /var/tmp partition
  • 1.1.18 Ensure nodev option set on /home partition
  • 1.1.19 Ensure noexec option set on removable media partitions
  • 1.1.2 Ensure /tmp is configured - config check
  • 1.1.2 Ensure /tmp is configured - mount
  • 1.1.20 Ensure nodev option set on removable media partitions
  • 1.1.21 Ensure nosuid option set on removable media partitions
  • 1.1.22 Ensure sticky bit is set on all world-writable directories
  • 1.1.23 Disable Automounting
  • 1.1.3 Ensure noexec option set on /tmp partition
  • 1.1.4 Ensure nodev option set on /tmp partition
  • 1.1.5 Ensure nosuid option set on /tmp partition
  • 1.1.6 Ensure /dev/shm is configured - fstab
  • 1.1.6 Ensure /dev/shm is configured - mount
  • 1.1.7 Ensure noexec option set on /dev/shm partition
  • 1.1.8 Ensure nodev option set on /dev/shm partition
  • 1.1.9 Ensure nosuid option set on /dev/shm partition
  • 1.2.1 Ensure GPG keys are configured
  • 1.2.2 Ensure package manager repositories are configured
  • 1.2.3 Ensure gpgcheck is globally activated
  • 1.3.2 Ensure filesystem integrity is regularly checked - aidecheck.service
  • 1.3.2 Ensure filesystem integrity is regularly checked - aidecheck.timer
  • 1.3.2 Ensure filesystem integrity is regularly checked - cron
  • 1.4.1 Ensure bootloader password is set - password_pbkdf2
  • 1.4.1 Ensure bootloader password is set - superusers
  • 1.4.2 Ensure permissions on bootloader config are configured
  • 1.5.1 Ensure core dumps are restricted - systemd-coredump ProcessSizeMax
  • 1.5.1 Ensure core dumps are restricted - systemd-coredump Storage
  • 1.5.2 Ensure XD/NX support is enabled
  • 1.6.1.1 Ensure AppArmor is installed - apparmor-parser
  • 1.6.1.1 Ensure AppArmor is installed - apparmor-profiles
  • 1.6.1.1 Ensure AppArmor is installed - apparmor-utils
  • 1.6.1.1 Ensure AppArmor is installed - libapparmor1
  • 1.6.1.2 Ensure AppArmor is enabled in the bootloader configuration - apparmor=1
  • 1.6.1.2 Ensure AppArmor is enabled in the bootloader configuration - security=apparmor
  • 1.6.1.3 Ensure all AppArmor Profiles are in enforce or complain mode - processes unconfined
  • 1.6.1.3 Ensure all AppArmor Profiles are in enforce or complain mode - profiles loaded
  • 1.9 Ensure GDM is removed or login is configured - banner-message-enable
  • 1.9 Ensure GDM is removed or login is configured - banner-message-text
  • 1.9 Ensure GDM is removed or login is configured - disable-user-list
  • 1.9 Ensure GDM is removed or login is configured - file-db
  • 1.9 Ensure GDM is removed or login is configured - system-db
  • 1.9 Ensure GDM is removed or login is configured - user-db
  • 2.1.1 Ensure xinetd is not installed
  • 2.2.1.2 Ensure systemd-timesyncd is configured
  • 2.2.1.3 Ensure chrony is configured - user
  • 2.2.1.4 Ensure ntp is configured - ntp:ntp
  • 2.2.1.4 Ensure ntp is configured - restrict -4
  • 2.2.1.4 Ensure ntp is configured - restrict -6
  • 2.2.1.4 Ensure ntp is configured - server
  • 2.2.10 Ensure IMAP and POP3 server is not installed
  • 2.2.11 Ensure Samba is not installed
  • 2.2.12 Ensure HTTP Proxy Server is not installed
  • 2.2.13 Ensure net-snmp is not installed
  • 2.2.14 Ensure NIS server is not installed
  • 2.2.15 Ensure telnet-server is not installed
  • 2.2.16 Ensure nfs-utils is not installed or the nfs-server service is masked - nfs-kernel-server
  • 2.2.16 Ensure nfs-utils is not installed or the nfs-server service is masked - nfs-utils
  • 2.2.17 Ensure rpcbind is not installed or the rpcbind services are masked - package rpcbind
  • 2.2.17 Ensure rpcbind is not installed or the rpcbind services are masked - service rpcbind
  • 2.2.17 Ensure rpcbind is not installed or the rpcbind services are masked - service rpcbind.socket
  • 2.2.18 Ensure rsync is not installed or the rsyncd service is masked
  • 2.2.19 Ensure mail transfer agent is configured for local-only mode
  • 2.2.2 Ensure X11 Server components are not installed
  • 2.2.3 Ensure Avahi Server is not installed - avahi
  • 2.2.3 Ensure Avahi Server is not installed - avahi-autoipd
  • 2.2.4 Ensure CUPS is not installed
  • 2.2.5 Ensure DHCP Server is not installed
  • 2.2.6 Ensure LDAP server is not installed
  • 2.2.7 Ensure DNS Server is not installed
  • 2.2.8 Ensure FTP Server is not installed
  • 2.2.9 Ensure HTTP server is not installed
  • 2.4 Ensure nonessential services are removed or masked
  • 3.1.2 Ensure wireless interfaces are disabled - interfaces
  • 3.1.2 Ensure wireless interfaces are disabled - iw list
  • 3.2.1 Ensure IP forwarding is disabled - sysctl ipv4
  • 3.2.1 Ensure IP forwarding is disabled - sysctl ipv4 conf files
  • 3.2.1 Ensure IP forwarding is disabled - sysctl ipv6
  • 3.2.1 Ensure IP forwarding is disabled - sysctl ipv6 conf files
  • 3.2.2 Ensure packet redirect sending is disabled - sysctl conf ipv4 all
  • 3.2.2 Ensure packet redirect sending is disabled - sysctl conf ipv4 default
  • 3.2.2 Ensure packet redirect sending is disabled - sysctl ipv4 all
  • 3.2.2 Ensure packet redirect sending is disabled - sysctl ipv4 default
  • 3.3.1 Ensure source routed packets are not accepted - sysctl conf ipv4 all
  • 3.3.1 Ensure source routed packets are not accepted - sysctl conf ipv4 default
  • 3.3.1 Ensure source routed packets are not accepted - sysctl conf ipv6 all
  • 3.3.1 Ensure source routed packets are not accepted - sysctl conf ipv6 default
  • 3.3.1 Ensure source routed packets are not accepted - sysctl ipv4 all
  • 3.3.1 Ensure source routed packets are not accepted - sysctl ipv4 default
  • 3.3.1 Ensure source routed packets are not accepted - sysctl ipv6 all
  • 3.3.1 Ensure source routed packets are not accepted - sysctl ipv6 default
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl ipv4 all
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl ipv4 default
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl ipv6 all
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl ipv6 default
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl.conf ipv4 all
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl.conf ipv4 default
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl.conf ipv6 all
  • 3.3.2 Ensure ICMP redirects are not accepted - sysctl.conf ipv6 default
  • 3.3.3 Ensure secure ICMP redirects are not accepted - sysctl ipv4 all
  • 3.3.3 Ensure secure ICMP redirects are not accepted - sysctl ipv4 default
  • 3.3.3 Ensure secure ICMP redirects are not accepted - sysctl.conf ipv4 all
  • 3.3.3 Ensure secure ICMP redirects are not accepted - sysctl.conf ipv4 default
  • 3.3.4 Ensure suspicious packets are logged - sysctl ipv4 all
  • 3.3.4 Ensure suspicious packets are logged - sysctl ipv4 default
  • 3.3.4 Ensure suspicious packets are logged - sysctl.conf ipv4 all
  • 3.3.4 Ensure suspicious packets are logged - sysctl.conf ipv4 default
  • 3.3.5 Ensure broadcast ICMP requests are ignored - sysctl ipv4
  • 3.3.5 Ensure broadcast ICMP requests are ignored - sysctl.conf ipv4
  • 3.3.6 Ensure bogus ICMP responses are ignored - sysctl ipv4
  • 3.3.6 Ensure bogus ICMP responses are ignored - sysctl.conf ipv4
  • 3.3.7 Ensure Reverse Path Filtering is enabled - sysctl ipv4 all
  • 3.3.7 Ensure Reverse Path Filtering is enabled - sysctl ipv4 default
  • 3.3.7 Ensure Reverse Path Filtering is enabled - sysctl.conf ipv4 all
  • 3.3.7 Ensure Reverse Path Filtering is enabled - sysctl.conf ipv4 default
  • 3.3.8 Ensure TCP SYN Cookies is enabled - sysctl ipv4
  • 3.3.8 Ensure TCP SYN Cookies is enabled - sysctl.conf ipv4
  • 3.5.1.1 Ensure iptables package is installed
  • 3.5.2.2 Ensure outbound and established connections are configured - input
  • 3.5.2.2 Ensure outbound and established connections are configured - output
  • 3.5.2.3 Ensure firewall rules exist for all open ports
  • 3.5.2.4 Ensure default deny firewall policy - forward
  • 3.5.2.4 Ensure default deny firewall policy - input
  • 3.5.2.4 Ensure default deny firewall policy - output
  • 3.5.3.1 Ensure IPv6 loopback traffic is configured - input
  • 3.5.3.1 Ensure IPv6 loopback traffic is configured - output
  • 3.5.3.2 Ensure IPv6 outbound and established connections are configured
  • 3.5.3.3 Ensure IPv6 firewall rules exist for all open ports
  • 3.5.3.4 Ensure IPv6 default deny firewall policy
  • 4.2.1.1 Ensure rsyslog is installed
  • 4.2.1.2 Ensure rsyslog Service is enabled and running - enabled
  • 4.2.1.2 Ensure rsyslog Service is enabled and running - running
  • 4.2.1.4 Ensure logging is configured
  • 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host - rsyslog.conf/rsyslogd.
  • 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts - '$InputTCPServerRun 514' - rsyslog.conf/rsyslog.d
  • 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts - '$ModLoad imtcp.so' - rsyslog.conf/rsyslog.d
  • 4.2.2.1 Ensure journald is configured to send logs to rsyslog
  • 4.2.2.2 Ensure journald is configured to compress large log files
  • 4.2.2.3 Ensure journald is configured to write logfiles to persistent disk
  • 4.2.3 Ensure permissions on all logfiles are configured
  • 4.2.4 Ensure logrotate is configured
  • 5.1.1 Ensure sudo is installed
  • 5.1.2 Ensure sudo commands use pty
  • 5.1.3 Ensure sudo log file exists
  • 5.2.1 Ensure cron daemon is enabled and running - enabled
  • 5.2.1 Ensure cron daemon is enabled and running - running
  • 5.2.2 Ensure permissions on /etc/crontab are configured
  • 5.2.3 Ensure permissions on /etc/cron.hourly are configured
  • 5.2.4 Ensure permissions on /etc/cron.daily are configured
  • 5.2.5 Ensure permissions on /etc/cron.weekly are configured
  • 5.2.6 Ensure permissions on /etc/cron.monthly are configured
  • 5.2.7 Ensure permissions on /etc/cron.d are configured
  • 5.2.8 Ensure cron is restricted to authorized users - cron.allow
  • 5.2.8 Ensure cron is restricted to authorized users - cron.deny
  • 5.2.9 Ensure at is restricted to authorized users - at.allow
  • 5.2.9 Ensure at is restricted to authorized users - at.deny
  • 5.3.1 Ensure permissions on /etc/ssh/sshd_config are configured
  • 5.3.10 Ensure SSH HostbasedAuthentication is disabled
  • 5.3.11 Ensure SSH root login is disabled
  • 5.3.12 Ensure SSH PermitEmptyPasswords is disabled
  • 5.3.13 Ensure SSH PermitUserEnvironment is disabled
  • 5.3.14 Ensure only strong Ciphers are used
  • 5.3.15 Ensure only strong MAC algorithms are used
  • 5.3.16 Ensure only strong Key Exchange algorithms are used
  • 5.3.17 Ensure SSH Idle Timeout Interval is configured - clientalivecountmax
  • 5.3.17 Ensure SSH Idle Timeout Interval is configured - clientaliveinterval
  • 5.3.18 Ensure SSH LoginGraceTime is set to one minute or less
  • 5.3.19 Ensure SSH warning banner is configured
  • 5.3.2 Ensure permissions on SSH private host key files are configured
  • 5.3.20 Ensure SSH PAM is enabled
  • 5.3.22 Ensure SSH MaxStartups is configured
  • 5.3.23 Ensure SSH MaxSessions is limited
  • 5.3.3 Ensure permissions on SSH public host key files are configured
  • 5.3.4 Ensure SSH Protocol is set to 2
  • 5.3.5 Ensure SSH access is limited
  • 5.3.6 Ensure SSH LogLevel is appropriate
  • 5.3.8 Ensure SSH MaxAuthTries is set to 4 or less
  • 5.3.9 Ensure SSH IgnoreRhosts is enabled
  • 5.4.1 Ensure password creation requirements are configured - dcredit
  • 5.4.1 Ensure password creation requirements are configured - lcredit
  • 5.4.1 Ensure password creation requirements are configured - minlen
  • 5.4.1 Ensure password creation requirements are configured - ocredit
  • 5.4.1 Ensure password creation requirements are configured - ucredit
  • 5.4.2 Ensure lockout for failed password attempts is configured - common-account pam_tally2.so
  • 5.4.2 Ensure lockout for failed password attempts is configured - common-auth deny
  • 5.4.2 Ensure lockout for failed password attempts is configured - common-auth unlock_time
  • 5.4.3 Ensure password reuse is limited
  • 5.5.1.1 Ensure password hashing algorithm is SHA-512
  • 5.5.1.2 Ensure password expiration is 365 days or less - PASS_MAX_DAYS
  • 5.5.1.2 Ensure password expiration is 365 days or less - users
  • 5.5.1.3 Ensure minimum days between password changes is configured - PASS_MIN_DAYS
  • 5.5.1.3 Ensure minimum days between password changes is configured - users
  • 5.5.1.4 Ensure password expiration warning days is 7 or more - PASS_WARN_AGE
  • 5.5.1.4 Ensure password expiration warning days is 7 or more - users
  • 5.5.1.5 Ensure inactive password lock is 30 days or less - INACTIVE
  • 5.5.1.5 Ensure inactive password lock is 30 days or less - users
  • 5.5.1.6 Ensure all users last password change date is in the past
  • 5.5.2 Ensure system accounts are secured - /etc/passwd
  • 5.5.2 Ensure system accounts are secured - passwd
  • 5.5.3 Ensure default group for the root account is GID 0
  • 5.5.4 Ensure default user shell timeout is configured
  • 5.5.5 Ensure default user umask is configured - System Wide default
  • 5.5.5 Ensure default user umask is configured - profiles
  • 5.6 Ensure root login is restricted to system console
  • 5.7 Ensure access to the su command is restricted
  • 6.1.10 Ensure no ungrouped files or directories exist
  • 6.1.11 Audit SUID executables
  • 6.1.12 Audit SGID executables
  • 6.1.5 Ensure permissions on /etc/passwd- are configured
  • 6.1.6 Ensure permissions on /etc/shadow- are configured
  • 6.1.7 Ensure permissions on /etc/group- are configured
  • 6.1.8 Ensure no world writable files exist
  • 6.1.9 Ensure no unowned files or directories exist
  • 6.2.1 Ensure accounts in /etc/passwd use shadowed passwords
  • 6.2.10 Ensure no users have .netrc files
  • 6.2.11 Ensure users' .netrc Files are not group or world accessible
  • 6.2.12 Ensure no users have .rhosts files
  • 6.2.13 Ensure all groups in /etc/passwd exist in /etc/group
  • 6.2.14 Ensure no duplicate UIDs exist
  • 6.2.15 Ensure no duplicate GIDs exist
  • 6.2.16 Ensure no duplicate user names exist
  • 6.2.17 Ensure no duplicate group names exist
  • 6.2.18 Ensure shadow group is empty
  • 6.2.2 Ensure /etc/shadow password fields are not empty
  • 6.2.3 Ensure root is the only UID 0 account
  • 6.2.4 Ensure root PATH Integrity
  • 6.2.5 Ensure all users' home directories exist
  • 6.2.6 Ensure users' home directories permissions are 750 or more restrictive
  • 6.2.7 Ensure users own their home directories
  • 6.2.8 Ensure users' dot files are not group or world writable
  • 6.2.9 Ensure no users have .forward files
Miscellaneous
  • References updated.
Added
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl ipv6 all
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl ipv6 default
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl.conf ipv6 all
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl.conf ipv6 default
  • 3.5.2.1 Ensure loopback traffic is configured - ip saddr 127.0.0.0/8
  • 3.5.2.1 Ensure loopback traffic is configured - lo accept
Removed
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl ipv6 all
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl ipv6 default
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl.conf ipv6 all
  • 3.3.9 Ensure IPv6 router advertisements are not accepted - sysctl.conf ipv6 default
  • 3.5.2.1 Ensure loopback traffic is configured- ip saddr 127.0.0.0/8
  • 3.5.2.1 Ensure loopback traffic is configured- lo accept