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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Set number of records to cause an explicit flush to audit logs
To configure Audit daemon to issue an explicit flush to disk command after writing <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_auditd_freq" use="legacy"></xccdf-1.2:sub> records, s...Rule Medium Severity -
Include Local Events in Audit Logs
To configure Audit daemon to include local events in Audit logs, setlocal_eventstoyesin/etc/audit/auditd.conf. This is the default setting.Rule Medium Severity -
Resolve information before writing to audit logs
To configure Audit daemon to resolve all uid, gid, syscall, architecture, and socket address information before writing the events to disk, set <code>log_format</code> to <code>ENRICHED</code> in <...Rule Low Severity -
Appropriate Action Must be Setup When the Internal Audit Event Queue is Full
The audit system should have an action setup in the event the internal event queue becomes full. To setup an overflow action edit <code>/etc/audit/auditd.conf</code>. Set <code>overflow_action</cod...Rule Medium Severity -
Configure auditing of unsuccessful file accesses
Ensure that unsuccessful attempts to access a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file access (any other opens) This has to go last. -a a...Rule Medium Severity -
Configure auditing of successful file accesses
Ensure that successful attempts to access a file are audited. The following rules configure audit as described above: <pre>## Successful file access (any other opens) This has to go last. ## These...Rule Medium Severity -
Configure basic parameters of Audit system
Perform basic configuration of Audit system. Make sure that any previously defined rules are cleared, the auditing system is configured to handle sudden bursts of events, and in cases of failure, m...Rule Medium Severity -
Configure auditing of successful file creations
Ensure that successful attempts to create a file are audited. The following rules configure audit as described above: <pre>## Successful file creation (open with O_CREAT) -a always,exit -F arch=b3...Rule Medium Severity -
Configure auditing of unsuccessful file deletions
Ensure that unsuccessful attempts to delete a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file delete -a always,exit -F arch=b32 -S unlink,unlink...Rule Medium Severity -
Configure auditing of successful file deletions
Ensure that successful attempts to delete a file are audited. The following rules configure audit as described above: <pre>## Successful file delete -a always,exit -F arch=b32 -S unlink,unlinkat,r...Rule Medium Severity -
Configure auditing of unsuccessful file modifications
Ensure that unsuccessful attempts to modify a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file modifications (open for write or truncate) -a alwa...Rule Medium Severity -
Configure auditing of successful file modifications
Ensure that successful attempts to modify a file are audited. The following rules configure audit as described above: <pre>## Successful file modifications (open for write or truncate) -a always,e...Rule Medium Severity -
Configure auditing of unsuccessful ownership changes
Ensure that unsuccessful attempts to change an ownership of files or directories are audited. The following rules configure audit as described above: <pre>## Unsuccessful ownership change -a alway...Rule Medium Severity -
Configure auditing of unsuccessful permission changes
Ensure that unsuccessful attempts to change file or directory permissions are audited. The following rules configure audit as described above: <pre>## Unsuccessful permission change -a always,exit...Rule Medium Severity -
Configure auditing of successful permission changes
Ensure that successful attempts to modify permissions of files or directories are audited. The following rules configure audit as described above: <pre>## Successful permission change -a always,ex...Rule Medium Severity -
Configure audit according to OSPP requirements
Configure audit to meet requirements for Operating System Protection Profile (OSPP) v4.2.1. Audit defines groups of rules in <code>/usr/share/doc/audit/rules</code> to satisfy specific policies. ...Rule Medium Severity -
Perform general configuration of Audit for OSPP
Configure some basic <code>Audit</code> parameters specific for OSPP profile. In particular, configure <code>Audit</code> to watch for direct modification of files storing system user and group inf...Rule Medium Severity -
Enable auditd Service
The <code>auditd</code> service is an essential userspace component of the Linux Auditing System, as it is responsible for writing audit records to disk. The <code>auditd</code> service can be ena...Rule Medium Severity -
Configure auditd Rules for Comprehensive Auditing
The <code>auditd</code> program can perform comprehensive monitoring of system activity. This section describes recommended configuration settings for comprehensive auditing, but a full description...Group -
Record Events that Modify User/Group Information via open syscall - /etc/group
The audit system should collect write events to /etc/group file for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rule...Rule Medium Severity
Node 2
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