Guide to the Secure Configuration of Red Hat Enterprise Linux 7
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 -
The percentage remaining in disk space before prompting admin_space_left_action
The setting for admin_space_left as a percentage 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|hal...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...Value -
Auditd priority for flushing data to disk
The setting for flush in /etc/audit/auditd.confValue -
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>sys...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 -
The percentage remaining in disk space before prompting space_left_action
The setting for space_left as a percentage in /etc/audit/auditd.confValue -
Configure audispd Plugin To Send Logs To Remote Server
Configure the audispd plugin to off-load audit records onto a different system or media from the system being audited. Set the <code>remote_server...Rule Medium Severity -
Configure audispd's Plugin disk_full_action When Disk Is Full
Configure the action the operating system takes if the disk the audit records are written to becomes full. Edit the file <code>/etc/audisp/audisp-r...Rule Medium Severity -
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. ...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/audisp/audi...Rule Medium Severity -
Configure auditd to use audispd's remote logging daemon
To configure the <code>auditd</code> service to use the <code>audisp-remote</code> plug-in of the <code>audispd</code> audit event multiplexor, set...Rule Medium Severity -
Ensure the audispd's remote logging daemon direction is correct
Ensure the direction of logs in <code>audisp-remote</code> plug-in of the <code>audispd</code> audit event multiplexor is correct. Check that the <...Rule Medium Severity -
Ensure the audispd's remote logging daemon executable is correct
Ensure the executable used by <code>audisp-remote</code> plug-in of the <code>audispd</code> audit event multiplexor is correct. Check that the <co...Rule Medium Severity -
Ensure the audispd's remote logging daemon type is correct
Ensure the type used by <code>audisp-remote</code> plug-in of the <code>audispd</code> audit event multiplexor is correct. Check that the <code>typ...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 <c...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>. ...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>. ...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. Ed...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. Ed...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...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. Ed...Rule Medium Severity -
Configure auditd admin_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. Ed...Rule Medium Severity -
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/...Rule Medium Severity -
net.ipv6.conf.all.accept_source_route
Trackers could be using source-routed packets to generate traffic that seems to be intra-net, but actually was created outside and has been redirec...Value -
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...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 ta...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 ta...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 modi...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. Ed...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...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. Ed...Rule Medium Severity -
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_aud...Rule Medium Severity -
net.ipv6.conf.all.autoconf
Enable auto configuration on IPv6 interfacesValue -
Include Local Events in Audit Logs
To configure Audit daemon to include local events in Audit logs, set <code>local_events</code> to <code>yes</code> in <code>/etc/audit/auditd.conf<...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 <co...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/audisp...Rule Medium Severity -
Write Audit Logs to the Disk
To configure Audit daemon to write Audit logs to the disk, set <code>write_logs</code> to <code>yes</code> in <code>/etc/audit/auditd.conf</code>. ...Rule Medium Severity -
System Accounting with auditd
The <code>auditd</code> program can perform comprehensive monitoring of system activity. This section makes use of recommended configuration settin...Group -
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/...Rule Medium Severity -
AppArmor
Many security vulnerabilities result from bugs in trusted programs. A trusted program runs with privileges that attackers want to possess. The prog...Group
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