Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide (STIG) V2R1
Rules and Groups employed by this XCCDF Profile
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Enable the OpenSSH Service
The SSH server service, sshd, is commonly needed. The <code>sshd</code> service can be enabled with the following command: <pre>$ sudo systemctl e...Rule Medium Severity -
Use Only FIPS 140-2 Validated Key Exchange Algorithms
Limit the key exchange algorithms to those which are FIPS-approved. Add or modify the following line in <code>/etc/ssh/sshd_config</code> ...Rule Medium Severity -
Use Only FIPS 140-2 Validated MACs
Limit the MACs to those hash algorithms which are FIPS-approved. The following line in <code>/etc/ssh/sshd_config</code> demonstrates use of FIPS-a...Rule Medium Severity -
Prevent remote hosts from connecting to the proxy display
The SSH daemon should prevent remote hosts from connecting to the proxy display. <br> The default SSH configuration for <code>X11UseLocalhost</code...Rule Medium Severity -
Ensure the default plugins for the audit dispatcher are Installed
The audit-audispd-plugins package should be installed.Rule Medium Severity -
Ensure auditd Collects System Administrator Actions - /etc/sudoers
At a minimum, the audit system should collect administrator actions for all users and root. If the <code>auditd</code> daemon is configured to use ...Rule Medium Severity -
Ensure auditd Collects System Administrator Actions - /etc/sudoers.d/
At a minimum, the audit system should collect administrator actions for all users and root. If the <code>auditd</code> daemon is configured to use ...Rule Medium Severity -
Ensure auditd Collects records for events that affect "/var/log/journal"
Auditing the systemd journal files provides logging that can be used for forensic purposes. Verify the system generates audit records for all event...Rule Medium Severity -
System Audit Logs Must Be Group Owned By Root
All audit logs must be group owned by root user. Determine where the audit logs are stored with the following command: <pre>$ sudo grep -iw log_fi...Rule Medium Severity -
System Audit Logs Must Have Mode 0600 or Less Permissive
Determine where the audit logs are stored with the following command: <pre>$ sudo grep -iw log_file /etc/audit/auditd.conf log_file = /var/log/audi...Rule Medium Severity
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