Jul 14, 2021 Functional Update- 1.1.10 Ensure noexec option set on /var/tmp partition
- 1.1.14 Ensure nodev option set on /home partition
- 1.1.15 Ensure nodev option set on /dev/shm partition
- 1.1.16 Ensure nosuid option set on /dev/shm partition
- 1.1.17 Ensure noexec option set on /dev/shm partition
- 1.1.3 Ensure nodev option set on /tmp partition
- 1.1.4 Ensure nosuid option set on /tmp partition
- 1.1.5 Ensure noexec option set on /tmp partition
- 1.1.8 Ensure nodev option set on /var/tmp partition
- 1.1.9 Ensure nosuid option set on /var/tmp partition
- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Miscellaneous- Audit deprecated.
- Metadata updated.
- References updated.
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Jun 17, 2021 Functional Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Miscellaneous- Metadata updated.
- References updated.
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Jun 9, 2021 Functional Update- 1.1.2 Ensure /tmp is configured - config check
- 1.4.2 Ensure filesystem integrity is regularly checked
- 1.9 Ensure updates, patches, and additional security software are installed
- 2.2.1.1 Ensure time synchronization is in use
- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 5.2.19 Ensure SSH MaxSessions is set to 4 or less
- 5.5.2 Ensure system accounts are secured - 'login shell'
- 5.7 Ensure access to the su command is restricted - wheel group contains root
- 6.2.7 Ensure users' home directories permissions are 750 or more restrictive
- 6.2.8 Ensure users own their home directories
- 6.2.9 Ensure users' dot files are not group or world writable
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Miscellaneous- References updated.
- Variables updated.
Added- 3.1.1 Ensure IP forwarding is disabled - ipv4 /etc/sysctl.conf /etc/sysctl.d/*
- 3.1.1 Ensure IP forwarding is disabled - ipv4 sysctl
- 3.1.1 Ensure IP forwarding is disabled - ipv6 /etc/sysctl.conf /etc/sysctl.d/*
- 3.1.1 Ensure IP forwarding is disabled - ipv6 sysctl
Removed- 3.1.1 Ensure IP forwarding is disabled - /etc/sysctl.conf /etc/sysctl.d/*
- 3.1.1 Ensure IP forwarding is disabled - sysctl
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Feb 16, 2021 Functional Update- 3.4.4.1.1 Ensure default deny firewall policy - Chain FORWARD
- 3.4.4.1.1 Ensure default deny firewall policy - Chain INPUT
- 3.4.4.1.1 Ensure default deny firewall policy - Chain OUTPUT
- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 5.5.5 Ensure default user umask is 027 or more restrictive - /etc/profile /etc/profile.d/*.sh
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Miscellaneous- Metadata updated.
- References updated.
Added- 1.1.2 Ensure /tmp is configured - config check
- 1.1.2 Ensure /tmp is configured - mount check
- 1.6.1 Ensure core dumps are restricted - systemctl coredump.service - ProcessSizeMax
- 1.6.1 Ensure core dumps are restricted - systemctl coredump.service - Storage
Removed- 1.1.2 Ensure /tmp is configured - mount
- 1.1.2 Ensure /tmp is configured - systemctl
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Oct 20, 2020 Functional Update- 1.1.18 Ensure nodev option set on removable media partitions
- 3.4.2.1 Ensure firewalld service is enabled and running - enabled
- 3.4.2.1 Ensure firewalld service is enabled and running - running
- 3.4.2.2 Ensure iptables is not enabled - disabled
- 3.4.2.2 Ensure iptables is not enabled - inactive
- 3.4.2.3 Ensure nftables is not enabled - disabled
- 3.4.2.3 Ensure nftables is not enabled - inactive
- 3.4.2.4 Ensure default zone is set
- 3.4.2.5 Ensure network interfaces are assigned to appropriate zone
- 3.4.2.6 Ensure unnecessary services and ports are not accepted
- 3.4.3.1 Ensure iptables are flushed - ipv4
- 3.4.3.1 Ensure iptables are flushed - ipv6
- 3.4.3.2 Ensure a table exists
- 3.4.3.3 Ensure base chains exist - 'hook forward'
- 3.4.3.3 Ensure base chains exist - 'hook input'
- 3.4.3.3 Ensure base chains exist - 'hook output'
- 3.4.3.4 Ensure loopback traffic is configured
- 3.4.3.4 Ensure loopback traffic is configured - iif lo accept
- 3.4.3.4 Ensure loopback traffic is configured - ip saddr
- 3.4.3.4 Ensure loopback traffic is configured - ip6 saddr
- 3.4.3.6 Ensure default deny firewall policy - Chain FORWARD
- 3.4.3.6 Ensure default deny firewall policy - Chain INPUT
- 3.4.3.6 Ensure default deny firewall policy - Chain OUTPUT
- 3.4.3.7 Ensure nftables service is enabled
- 3.4.3.8 Ensure nftables rules are permanent
- 3.4.4.1.1 Ensure default deny firewall policy - Chain FORWARD
- 3.4.4.1.1 Ensure default deny firewall policy - Chain INPUT
- 3.4.4.1.1 Ensure default deny firewall policy - Chain OUTPUT
- 3.4.4.1.2 Ensure loopback traffic is configured - Input accept all lo
- 3.4.4.1.2 Ensure loopback traffic is configured - Input drop all
- 3.4.4.1.2 Ensure loopback traffic is configured - Output accept all lo
- 3.4.4.1.3 Ensure outbound and established connections are configured
- 3.4.4.1.4 Ensure firewall rules exist for all open ports
- 3.4.4.2.1 Ensure IPv6 default deny firewall policy - 'Chain FORWARD'
- 3.4.4.2.1 Ensure IPv6 default deny firewall policy - 'Chain INPUT'
- 3.4.4.2.1 Ensure IPv6 default deny firewall policy - 'Chain OUTPUT'
- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 5.5.3 Ensure default user shell timeout is 900 seconds or less - bashrc
- 6.2.7 Ensure users' home directories permissions are 750 or more restrictive
- 6.2.8 Ensure users own their home directories
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Added- 3.4.3.5 Ensure outbound and established connections are configured - incoming, established
- 3.4.3.5 Ensure outbound and established connections are configured - outgoing, established
Removed- 3.4.3.5 Ensure outbound and established connections are configured
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Oct 14, 2020 Functional Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 4.2.3 Ensure permissions on all logfiles are configured
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
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Oct 5, 2020 Functional Update- 1.4.2 Ensure filesystem integrity is regularly checked
- 1.5.1 Ensure permissions on bootloader config are configured - grub.cfg
- 1.5.1 Ensure permissions on bootloader config are configured - grubenv
- 1.5.2 Ensure bootloader password is set
- 1.8.2 Ensure GDM login banner is configured - banner message enabled
- 1.8.2 Ensure GDM login banner is configured - banner message text
- 2.2.1.1 Ensure time synchronization is in use
- 2.2.1.2 Ensure chrony is configured - NTP server
- 2.2.1.2 Ensure chrony is configured - user
- 2.2.18 Ensure mail transfer agent is configured for local-only mode
- 3.4.1.1 Ensure a Firewall package is installed
- 3.4.2.1 Ensure firewalld service is enabled and running - enabled
- 3.4.2.1 Ensure firewalld service is enabled and running - running
- 3.4.2.2 Ensure iptables is not enabled - disabled
- 3.4.2.2 Ensure iptables is not enabled - inactive
- 3.4.2.3 Ensure nftables is not enabled - disabled
- 3.4.2.3 Ensure nftables is not enabled - inactive
- 3.4.2.4 Ensure default zone is set
- 3.4.2.5 Ensure network interfaces are assigned to appropriate zone
- 3.4.2.6 Ensure unnecessary services and ports are not accepted
- 3.4.3.1 Ensure iptables are flushed - ipv4
- 3.4.3.1 Ensure iptables are flushed - ipv6
- 3.4.3.2 Ensure a table exists
- 3.4.3.3 Ensure base chains exist - 'hook forward'
- 3.4.3.3 Ensure base chains exist - 'hook input'
- 3.4.3.3 Ensure base chains exist - 'hook output'
- 3.4.3.4 Ensure loopback traffic is configured
- 3.4.3.4 Ensure loopback traffic is configured - iif lo accept
- 3.4.3.4 Ensure loopback traffic is configured - ip saddr
- 3.4.3.4 Ensure loopback traffic is configured - ip6 saddr
- 3.4.3.5 Ensure outbound and established connections are configured
- 3.4.3.6 Ensure default deny firewall policy - Chain FORWARD
- 3.4.3.6 Ensure default deny firewall policy - Chain INPUT
- 3.4.3.6 Ensure default deny firewall policy - Chain OUTPUT
- 3.4.3.7 Ensure nftables service is enabled
- 3.4.3.8 Ensure nftables rules are permanent
- 3.4.4.1.1 Ensure default deny firewall policy - Chain FORWARD
- 3.4.4.1.1 Ensure default deny firewall policy - Chain INPUT
- 3.4.4.1.1 Ensure default deny firewall policy - Chain OUTPUT
- 3.4.4.1.2 Ensure loopback traffic is configured - Input accept all lo
- 3.4.4.1.2 Ensure loopback traffic is configured - Input drop all
- 3.4.4.1.2 Ensure loopback traffic is configured - Output accept all lo
- 3.4.4.1.3 Ensure outbound and established connections are configured
- 3.4.4.1.4 Ensure firewall rules exist for all open ports
- 3.4.4.2.1 Ensure IPv6 default deny firewall policy - 'Chain FORWARD'
- 3.4.4.2.1 Ensure IPv6 default deny firewall policy - 'Chain INPUT'
- 3.4.4.2.1 Ensure IPv6 default deny firewall policy - 'Chain OUTPUT'
- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.1 Ensure rsyslog is installed
- 4.2.1.2 Ensure rsyslog Service is enabled
- 4.2.1.3 Ensure rsyslog default file permissions configured
- 4.2.1.4 Ensure logging is configured
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 4.2.2.1 Ensure journald is configured to send logs to rsyslog
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
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Sep 29, 2020 Functional Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
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Aug 25, 2020 Functional Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 5.5.1.1 Ensure password expiration is 365 days or less - users
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
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Aug 11, 2020 Functional Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
- 6.2.20 Ensure all users' home directories exist
Informational Update- 3.4.4.2.2 Ensure IPv6 loopback traffic is configured
- 3.4.4.2.3 Ensure IPv6 outbound and established connections are configured
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - firewall rules
- 3.4.4.2.4 Ensure IPv6 firewall rules exist for all open ports - ports
Added- 4.2.1.1 Ensure rsyslog is installed
- 4.2.1.2 Ensure rsyslog Service is enabled
- 4.2.1.3 Ensure rsyslog default file permissions configured
- 4.2.1.4 Ensure logging is configured
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 4.2.2.1 Ensure journald is configured to send logs to rsyslog
Removed- 4.2.1.1 Ensure rsyslog is installed
- 4.2.1.2 Ensure rsyslog Service is enabled
- 4.2.1.3 Ensure rsyslog default file permissions configured
- 4.2.1.4 Ensure logging is configured
- 4.2.1.5 Ensure rsyslog is configured to send logs to a remote log host
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - InputTCPServerRun
- 4.2.1.6 Ensure remote rsyslog messages are only accepted on designated log hosts. - ModLoad imtcp
- 4.2.2.1 Ensure journald is configured to send logs to rsyslog
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