Guide to the Secure Configuration of UnionTech OS Server 20
Rules, Groups, and Values defined within the XCCDF Benchmark
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Ensure auditd Collects File Deletion Events by User - unlinkat
At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit r...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands
The audit system should collect information about usage of privileged commands for all users. These are commands with suid or sgid bits on and they are specially risky in local block device partiti...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 clock_settime
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 auditd Data Retention
The audit system writes data to <code>/var/log/audit/audit.log</code>. By default, <code>auditd</code> rotates 5 logs by size (6MB), retaining a maximum of 30MB of data in total, and refuses to wri...Group -
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 -
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 -
Configure auditd admin_space_left Action 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 -
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 space_left Action on Low Disk Space
The <code>auditd</code> service can be configured to take an action when disk space <i>starts</i> to run low. Edit the file <code>/etc/audit/auditd.conf</code>. Modify the following line, substitut...Rule Medium Severity
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