Guide to the Secure Configuration of Red Hat Enterprise Linux CoreOS 4
Rules, Groups, and Values defined within the XCCDF Benchmark
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Encrypt Audit Records Sent With audispd Plugin
Configure the operating system to encrypt the transfer of off-loaded audit records onto a different system or media from the system being audited. Uncomment the <code>enable_krb5</code> option in ...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - gpasswd
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - mount
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Configure auditd Disk Full Action when Disk Space Is Full
The <code>auditd</code> service can be configured to take an action when disk space is running low but prior to running out of space completely. Edit the file <code>/etc/audit/auditd.conf</code>. A...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - newgidmap
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - newgrp
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Configure audispd's Plugin network_failure_action On Network Failure
Configure the action the operating system takes if there is an error sending audit records to a remote system. Edit the file <code>/etc/audit/audisp-remote.conf</code>. Add or modify the following ...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - passwd
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - pkexec
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - polkit helper
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Configure auditd to use audispd's syslog plugin
To configure the <code>auditd</code> service to use the <code>syslog</code> plug-in of the <code>audispd</code> audit event multiplexor, set the <code>active</code> line in <code>/etc/audit/plugins...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - postqueue
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - pt_chown
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - ssh-keysign
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Configure auditd Disk Error Action on Disk Error
The <code>auditd</code> service can be configured to take an action when there is a disk error. Edit the file <code>/etc/audit/auditd.conf</code>. Add or modify the following line, substituting <i>...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - sssd_ldap_child
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - sssd_proxy_child
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - sssd_selinux_child
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Configure auditd mail_acct Action on Low Disk Space
The <code>auditd</code> service can be configured to send email to a designated account in certain situations. Add or correct the following line in <code>/etc/audit/auditd.conf</code> to ensure tha...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - sudo
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - sudoedit
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - umount
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Configure auditd Disk Error Action on Disk Error
The <code>auditd</code> service can be configured to take an action when there is a disk error. Edit the file <code>/etc/audit/auditd.conf</code>. Add or modify the following line, substituting <i>...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - userhelper
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - usernetctl
At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program...Rule Medium Severity -
Configure auditd Disk Full Action when Disk Space Is Full
The <code>auditd</code> service can be configured to take an action when disk space is running low but prior to running out of space completely. Edit the file <code>/etc/audit/auditd.conf</code>. A...Rule Medium Severity -
Record attempts to alter time through adjtimex
If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following line to a file with suffix <cod...Rule Medium Severity -
Record attempts to alter time through settimeofday
If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following line to a file with suffix <cod...Rule Medium Severity -
Configure auditing of unsuccessful file creations
Ensure that unsuccessful attempts to create a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file creation (open with O_CREAT) -a always,exit -F arc...Rule Medium Severity -
Record Attempts to Alter the localtime File
If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following line to a file with suffix <cod...Rule Medium Severity -
Write Audit Logs to the Disk
To configure Audit daemon to write Audit logs to the disk, setwrite_logstoyesin/etc/audit/auditd.conf. This is the default setting.Rule Medium Severity -
Action for audispd to take when disk is full
The setting for disk_full_action in /etc/audisp/audisp-remote.confValue -
Action for audispd to take when network fails
The setting for network_failure_action in /etc/audisp/audisp-remote.confValue -
Remote server for audispd to send audit records
The setting for remote_server in /etc/audisp/audisp-remote.confValue -
Account for auditd to send email when actions occurs
The setting for action_mail_acct in /etc/audit/auditd.confValue -
Action for auditd to take when disk space is low
The setting for admin_space_left_action in /etc/audit/auditd.confValue -
Action for auditd to take when disk errors
'The setting for disk_error_action in /etc/audit/auditd.conf, if multiple values are allowed write them separated by pipes as in "syslog|single|halt", for remediations the first value will be taken'Value -
Action for auditd to take when disk is full
'The setting for disk_full_action in /etc/audit/auditd.conf, if multiple values are allowed write them separated by pipes as in "syslog|single|halt", for remediations the first value will be taken'Value -
Number of Record to Retain Before Flushing to Disk
The setting for freq in /etc/audit/auditd.confValue -
Maximum audit log file size for auditd
The setting for max_log_file in /etc/audit/auditd.confValue -
Action for auditd to take when log files reach their maximum size
The setting for max_log_file_action in /etc/audit/auditd.conf. The following options are available: <br>ignore - audit daemon does nothing. <br>syslog - audit daemon will issue a warning to syslog....Value -
Number of log files for auditd to retain
The setting for num_logs in /etc/audit/auditd.confValue -
Size remaining in disk space before prompting space_left_action
The setting for space_left (MB) in /etc/audit/auditd.confValue -
Action for auditd to take when disk space just starts to run low
The setting for space_left_action in /etc/audit/auditd.confValue -
Configure auditd flush priority
The <code>auditd</code> service can be configured to synchronously write audit event data to disk. Add or correct the following line in <code>/etc/audit/auditd.conf</code> to ensure that audit even...Rule Medium Severity -
Configure auditd Max Log File Size
Determine the amount of audit data (in megabytes) which should be retained in each log file. Edit the file <code>/etc/audit/auditd.conf</code>. Add or modify the following line, substituting the co...Rule Medium Severity -
Configure auditd max_log_file_action Upon Reaching Maximum Log Size
The default action to take when the logs reach their maximum size is to rotate the log files, discarding the oldest one. To configure the action taken by <code>auditd</code>, add or correct the lin...Rule Medium Severity -
Configure auditd max_log_file_action Upon Reaching Maximum Log Size
The default action to take when the logs reach their maximum size is to rotate the log files, discarding the oldest one. To configure the action taken by <code>auditd</code>, add or correct the lin...Rule Medium Severity -
Configure auditd Number of Logs Retained
Determine how many log files <code>auditd</code> should retain when it rotates logs. Edit the file <code>/etc/audit/auditd.conf</code>. Add or modify the following line, substituting <i>NUMLOGS</i>...Rule Medium Severity -
Configure auditd space_left on Low Disk Space
The <code>auditd</code> service can be configured to take an action when disk space is running low but prior to running out of space completely. Edit the file <code>/etc/audit/auditd.conf</code>. A...Rule Medium Severity
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