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CIS Amazon Linux 2 v4.0.0 L1 Server

Audit Details

Name: CIS Amazon Linux 2 v4.0.0 L1 Server

Updated: 7/23/2026

Authority: CIS

Plugin: Unix

Revision: 1.2

Estimated Item Count: 226

File Details

Filename: CIS_Amazon_Linux_2_v4.0.0_L1_Server.audit

Size: 1.02 MB

MD5: 57fe9374a72bcf5fafbb338cc7fccb7e
SHA256: 4e444d988d5bba72e41bfa21f2089733d9d21ea14a37dfff6d73a44a58aee175

Audit Changelog

 
Revision 1.2

Jul 23, 2026

Functional Update
  • 1.6.2 Ensure local login warning banner is configured properly
  • 1.6.3 Ensure remote login warning banner is configured properly
Informational Update
  • 1.1.1.1 Ensure cramfs kernel module is not available
  • 1.1.1.2 Ensure hfs kernel module is not available
  • 1.1.1.3 Ensure hfsplus kernel module is not available
  • 1.1.1.4 Ensure overlay kernel module is not available
  • 1.1.1.5 Ensure squashfs kernel module is not available
  • 1.1.1.6 Ensure udf kernel module is not available
  • 1.4.1.4 Ensure the SELinux mode is not disabled
  • 1.5.1 Ensure core file size is configured
  • 1.5.2 Ensure fs.protected_hardlinks is configured
  • 1.5.3 Ensure fs.protected_symlinks is configured
  • 1.5.4 Ensure fs.suid_dumpable is configured
  • 1.5.5 Ensure kernel.dmesg_restrict is configured
  • 1.5.6 Ensure kernel.kptr_restrict is configured
  • 1.5.7 Ensure kernel.yama.ptrace_scope is configured
  • 1.5.8 Ensure kernel.randomize_va_space is configured
  • 2.1.2 Ensure chrony is configured
  • 3.2.1 Ensure can kernel module is not available
  • 3.2.2 Ensure sctp kernel module is not available
  • 3.2.3 Ensure tipc kernel module is not available
  • 3.3.1.1 Ensure net.ipv4.ip_forward is configured
  • 3.3.1.10 Ensure net.ipv4.conf.all.secure_redirects is configured
  • 3.3.1.11 Ensure net.ipv4.conf.default.secure_redirects is configured
  • 3.3.1.12 Ensure net.ipv4.conf.all.rp_filter is configured
  • 3.3.1.13 Ensure net.ipv4.conf.default.rp_filter is configured
  • 3.3.1.14 Ensure net.ipv4.conf.all.accept_source_route is configured
  • 3.3.1.15 Ensure net.ipv4.conf.default.accept_source_route is configured
  • 3.3.1.16 Ensure net.ipv4.conf.all.log_martians is configured
  • 3.3.1.17 Ensure net.ipv4.conf.default.log_martians is configured
  • 3.3.1.18 Ensure net.ipv4.tcp_syncookies is configured
  • 3.3.1.2 Ensure net.ipv4.conf.all.forwarding is configured
  • 3.3.1.3 Ensure net.ipv4.conf.default.forwarding is configured
  • 3.3.1.4 Ensure net.ipv4.conf.all.send_redirects is configured
  • 3.3.1.5 Ensure net.ipv4.conf.default.send_redirects is configured
  • 3.3.1.6 Ensure net.ipv4.icmp_ignore_bogus_error_responses is configured
  • 3.3.1.7 Ensure net.ipv4.icmp_echo_ignore_broadcasts is configured
  • 3.3.1.8 Ensure net.ipv4.conf.all.accept_redirects is configured
  • 3.3.1.9 Ensure net.ipv4.conf.default.accept_redirects is configured
  • 3.3.2.1 Ensure net.ipv6.conf.all.forwarding is configured
  • 3.3.2.2 Ensure net.ipv6.conf.default.forwarding is configured
  • 3.3.2.3 Ensure net.ipv6.conf.all.accept_redirects is configured
  • 3.3.2.4 Ensure net.ipv6.conf.default.accept_redirects is configured
  • 3.3.2.5 Ensure net.ipv6.conf.all.accept_source_route is configured
  • 3.3.2.6 Ensure net.ipv6.conf.default.accept_source_route is configured
  • 3.3.2.7 Ensure net.ipv6.conf.all.accept_ra is configured
  • 3.3.2.8 Ensure net.ipv6.conf.default.accept_ra is configured
  • 5.1.2.1 Ensure access to at is configured
  • 5.2.15 Ensure sshd MACs are configured
  • 5.2.5 Ensure sshd Banner is configured
  • 5.2.6 Ensure sshd Ciphers are configured
  • 5.2.7 Ensure sshd ClientAliveInterval and ClientAliveCountMax are configured
  • 5.3.2 Ensure sudo commands use pty
  • 5.3.6 Ensure sudo authentication timeout is configured correctly
  • 5.5.1.1 Ensure password expiration is configured
  • 5.5.1.2 Ensure minimum password days is configured
  • 5.5.2.8 Ensure accounts without a valid login shell are locked
  • 5.5.3.2 Ensure default user shell timeout is configured
  • 5.5.3.3 Ensure default user umask is configured
  • 6.1.1.3 Ensure journald Compress is configured
  • 6.1.1.4 Ensure journald Storage is configured
  • 6.1.1.5 Ensure journald ForwardToSyslog is configured
  • 6.1.1.6 Ensure journald log file rotation is configured
  • 6.3.1 Ensure AIDE is installed
  • 6.3.3 Ensure cryptographic mechanisms are used to protect the integrity of audit tools
  • 7.1.11 Ensure world writable files and directories are secured
Miscellaneous
  • Platform check updated.
  • References updated.
  • Variables updated.
Added
  • CIS_Amazon_Linux_2_v4.0.0_L1_Server.audit from CIS Amazon Linux 2 v4.0.0
Removed
  • CIS_Amazon_Linux_2_v4.0.0_L1_Server.audit from CIS Amazon Linux 2 4.0.0
Revision 1.1

Apr 24, 2026

Functional Update
  • 5.5.1.5 Ensure inactive password lock is configured
Miscellaneous
  • Variables updated.