CIS Ubuntu Linux 18.04 LTS v2.2.0 L2 Server

Audit Details

Name: CIS Ubuntu Linux 18.04 LTS v2.2.0 L2 Server

Updated: 12/19/2025

Authority: CIS

Plugin: Unix

Revision: 1.5

Estimated Item Count: 57

File Details

Filename: CIS_Ubuntu_Linux_18.04_LTS_v2.2.0_L2_Server.audit

Size: 341 kB

MD5: 3d2cb0454b4141dede055f12f7669019
SHA256: 00127f33593ad6bd163708257e7ac247dc9492960bdf5010c2bd2fb85177238d

Audit Items

DescriptionCategories
1.1.1.6 Ensure mounting of squashfs filesystems is disabled

CONFIGURATION MANAGEMENT

1.1.1.7 Ensure mounting of udf filesystems is disabled

CONFIGURATION MANAGEMENT

1.1.3.1 Ensure separate partition exists for /var

ACCESS CONTROL, MEDIA PROTECTION

1.1.4.1 Ensure separate partition exists for /var/tmp

ACCESS CONTROL, CONFIGURATION MANAGEMENT, MEDIA PROTECTION

1.1.5.1 Ensure separate partition exists for /var/log

AUDIT AND ACCOUNTABILITY

1.1.6.1 Ensure separate partition exists for /var/log/audit

AUDIT AND ACCOUNTABILITY

1.1.7.1 Ensure separate partition exists for /home

ACCESS CONTROL, MEDIA PROTECTION

1.6.1.4 Ensure all AppArmor Profiles are enforcing

ACCESS CONTROL, MEDIA PROTECTION

1.8.1 Ensure GNOME Display Manager is removed

CONFIGURATION MANAGEMENT

2.2.1 Ensure X Window System is not installed

CONFIGURATION MANAGEMENT

3.2.1 Ensure dccp kernel module is not available

CONFIGURATION MANAGEMENT, SYSTEM AND INFORMATION INTEGRITY

3.2.2 Ensure tipc kernel module is not available

CONFIGURATION MANAGEMENT, SYSTEM AND INFORMATION INTEGRITY

3.2.3 Ensure rds kernel module is not available

CONFIGURATION MANAGEMENT, SYSTEM AND INFORMATION INTEGRITY

3.2.4 Ensure sctp kernel module is not available

CONFIGURATION MANAGEMENT, SYSTEM AND INFORMATION INTEGRITY

4.2.7 Ensure sshd DisableForwarding is enabled

CONFIGURATION MANAGEMENT

4.2.8 Ensure sshd GSSAPIAuthentication is disabled

CONFIGURATION MANAGEMENT, IDENTIFICATION AND AUTHENTICATION

4.3.4 Ensure users must provide password for privilege escalation

ACCESS CONTROL

4.5.6 Ensure nologin is not listed in /etc/shells

CONFIGURATION MANAGEMENT, IDENTIFICATION AND AUTHENTICATION

5.2.1.1 Ensure auditd is installed

AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY

5.2.1.2 Ensure auditd service is enabled and active

AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY

5.2.1.3 Ensure auditing for processes that start prior to auditd is enabled

AUDIT AND ACCOUNTABILITY

5.2.1.4 Ensure audit_backlog_limit is sufficient

AUDIT AND ACCOUNTABILITY

5.2.2.1 Ensure audit log storage size is configured

AUDIT AND ACCOUNTABILITY

5.2.2.2 Ensure audit logs are not automatically deleted

AUDIT AND ACCOUNTABILITY

5.2.2.3 Ensure system is disabled when audit logs are full

AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY

5.2.3.1 Ensure changes to system administration scope (sudoers) is collected

AUDIT AND ACCOUNTABILITY

5.2.3.2 Ensure actions as another user are always logged

AUDIT AND ACCOUNTABILITY

5.2.3.3 Ensure events that modify the sudo log file are collected

AUDIT AND ACCOUNTABILITY

5.2.3.4 Ensure events that modify date and time information are collected

AUDIT AND ACCOUNTABILITY, CONFIGURATION MANAGEMENT

5.2.3.5 Ensure events that modify the system's network environment are collected

AUDIT AND ACCOUNTABILITY, CONFIGURATION MANAGEMENT

5.2.3.6 Ensure use of privileged commands are collected

AUDIT AND ACCOUNTABILITY

5.2.3.7 Ensure unsuccessful file access attempts are collected

AUDIT AND ACCOUNTABILITY

5.2.3.8 Ensure events that modify user/group information are collected

AUDIT AND ACCOUNTABILITY

5.2.3.9 Ensure discretionary access control permission modification events are collected

AUDIT AND ACCOUNTABILITY, CONFIGURATION MANAGEMENT

5.2.3.10 Ensure successful file system mounts are collected

AUDIT AND ACCOUNTABILITY, CONFIGURATION MANAGEMENT

5.2.3.11 Ensure session initiation information is collected

AUDIT AND ACCOUNTABILITY

5.2.3.12 Ensure login and logout events are collected

AUDIT AND ACCOUNTABILITY

5.2.3.13 Ensure file deletion events by users are collected

AUDIT AND ACCOUNTABILITY, SYSTEM AND COMMUNICATIONS PROTECTION

5.2.3.14 Ensure events that modify the system's Mandatory Access Controls are collected

AUDIT AND ACCOUNTABILITY, CONFIGURATION MANAGEMENT

5.2.3.15 Ensure successful and unsuccessful attempts to use the chcon command are recorded

AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY

5.2.3.16 Ensure successful and unsuccessful attempts to use the setfacl command are recorded

AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY

5.2.3.17 Ensure successful and unsuccessful attempts to use the chacl command are recorded

AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY

5.2.3.18 Ensure successful and unsuccessful attempts to use the usermod command are recorded

AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY

5.2.3.19 Ensure kernel module loading unloading and modification is collected

AUDIT AND ACCOUNTABILITY, CONFIGURATION MANAGEMENT

5.2.3.20 Ensure the audit configuration is immutable

ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MEDIA PROTECTION

5.2.3.21 Ensure the running and on disk configuration is the same

AUDIT AND ACCOUNTABILITY

5.2.4.1 Ensure audit log files are mode 0640 or less permissive

ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MEDIA PROTECTION

5.2.4.2 Ensure only authorized users own audit log files

ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MEDIA PROTECTION

5.2.4.3 Ensure only authorized groups are assigned ownership of audit log files

ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MEDIA PROTECTION

5.2.4.4 Ensure the audit log directory is 0750 or more restrictive

ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MEDIA PROTECTION