Guide to the Secure Configuration of Oracle Linux 8
Rules, Groups, and Values defined within the XCCDF Benchmark
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cobbler_anon_write SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
Record Unsuccessful Ownership Changes to Files - chown
The audit system should collect unsuccessful file ownership change attempts for all users and root. If the <code>auditd</code> daemon is configured...Rule Medium Severity -
Record Unsuccessful Access Attempts to Files - creat
At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - fchmod
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - fchmodat
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Ownership Changes to Files - fchown
The audit system should collect unsuccessful file ownership change attempts for all users and root. If the <code>auditd</code> daemon is configured...Rule Medium Severity -
Record Unsuccessful Ownership Changes to Files - fchownat
The audit system should collect unsuccessful file ownership change attempts for all users and root. If the <code>auditd</code> daemon is configured...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - fremovexattr
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - fsetxattr
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Access Attempts to Files - ftruncate
At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...Rule Medium Severity -
Record Unsuccessful Ownership Changes to Files - lchown
The audit system should collect unsuccessful file ownership change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - lremovexattr
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - lsetxattr
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Access Attempts to Files - open
At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...Rule Medium Severity -
Record Unsuccessful Access Attempts to Files - open_by_handle_at
At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...Rule Medium Severity -
Record Unsuccessful Creation Attempts to Files - open_by_handle_at O_CREAT
The audit system should collect unauthorized file accesses for all users and root. The <code>open_by_handle_at</code> syscall can be used to create...Rule Medium Severity -
Record Unsuccessful Modification Attempts to Files - open_by_handle_at O_TRUNC_WRITE
The audit system should collect detailed unauthorized file accesses for all users and root. The <code>open_by_handle_at</code> syscall can be used ...Rule Medium Severity -
Verify Permissions on /var/log/messages File
To properly set the permissions of/var/log/messages, run the command:$ sudo chmod 0640 /var/log/messages
Rule Medium Severity -
cobbler_can_network_connect SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
Verify Permissions on /var/log/syslog File
To properly set the permissions of/var/log/syslog, run the command:$ sudo chmod 0640 /var/log/syslog
Rule Medium Severity -
Ensure auditd Unauthorized Access Attempts To open_by_handle_at Are Ordered Correctly
The audit system should collect detailed unauthorized file accesses for all users and root. To correctly identify unsuccessful creation, unsuccessf...Rule Medium Severity -
Record Unsuccessful Creation Attempts to Files - open O_CREAT
The audit system should collect unauthorized file accesses for all users and root. The <code>open</code> syscall can be used to create new files wh...Rule Medium Severity -
Record Unsuccessful Modification Attempts to Files - open O_TRUNC_WRITE
The audit system should collect detailed unauthorized file accesses for all users and root. The <code>open</code> syscall can be used to modify fil...Rule Medium Severity -
Ensure auditd Rules For Unauthorized Attempts To open Are Ordered Correctly
The audit system should collect detailed unauthorized file accesses for all users and root. To correctly identify unsuccessful creation, unsuccessf...Rule Medium Severity -
cobbler_use_cifs SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
Record Unsuccessful Access Attempts to Files - openat
At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...Rule Medium Severity -
Record Unsuccessful Creation Attempts to Files - openat O_CREAT
The audit system should collect unauthorized file accesses for all users and root. The <code>openat</code> syscall can be used to create new files ...Rule Medium Severity -
Record Unsuccessful Modification Attempts to Files - openat O_TRUNC_WRITE
The audit system should collect detailed unauthorized file accesses for all users and root. The <code>openat</code> syscall can be used to modify f...Rule Medium Severity -
Ensure auditd Rules For Unauthorized Attempts To openat Are Ordered Correctly
The audit system should collect detailed unauthorized file accesses for all users and root. To correctly identify unsuccessful creation, unsuccessf...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - removexattr
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium Severity -
Record Unsuccessful Delete Attempts to Files - rename
The audit system should collect unsuccessful file deletion attempts for all users and root. If the <code>auditd</code> daemon is configured to use ...Rule Medium Severity -
Record Unsuccessful Delete Attempts to Files - renameat
The audit system should collect unsuccessful file deletion attempts for all users and root. If the <code>auditd</code> daemon is configured to use...Rule Medium Severity -
Record Unsuccessful Permission Changes to Files - setxattr
The audit system should collect unsuccessful file permission change attempts for all users and root. If the <code>auditd</code> daemon is configure...Rule Medium 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/...Rule Medium Severity -
Record Unsuccessful Access Attempts to Files - truncate
At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to...Rule Medium Severity -
Record Unsuccessful Delete Attempts to Files - unlink
The audit system should collect unsuccessful file deletion attempts for all users and root. If the <code>auditd</code> daemon is configured to use...Rule Medium Severity -
Record Unsuccessful Delete Attempts to Files - unlinkat
The audit system should collect unsuccessful file deletion attempts for all users and root. If the <code>auditd</code> daemon is configured to use...Rule Medium Severity -
Record Information on Kernel Modules Loading and Unloading
To capture kernel module loading and unloading events, use following lines, setting ARCH to either b32 for 32-bit system, or having two lines for b...Group -
cobbler_use_nfs SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
Ensure auditd Collects Information on Kernel Module Unloading - delete_module
To capture kernel module unloading events, use following line, setting ARCH to either b32 for 32-bit system, or having two lines for both b32 and b...Rule Medium Severity -
Ensure auditd Collects Information on Kernel Module Loading and Unloading - finit_module
If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default),...Rule Medium Severity -
Ensure auditd Collects Information on Kernel Module Loading - init_module
To capture kernel module loading events, use following line, setting ARCH to either b32 for 32-bit system, or having two lines for both b32 and b64...Rule Medium Severity -
Record Attempts to Alter Logon and Logout Events - faillock
The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...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 -
Record Attempts to Alter Logon and Logout Events - lastlog
The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...Rule Medium Severity -
Record Attempts to Alter Logon and Logout Events - tallylog
The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...Rule Medium Severity -
Record Information on the Use of Privileged Commands
At a minimum, the audit system should collect the execution of privileged commands for all users and root.Group -
Ensure auditd Collects Information on the Use of Privileged Commands - init
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 con...Rule Medium Severity -
Ensure auditd Collects Information on the Use of Privileged Commands - poweroff
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 con...Rule Medium Severity
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