Guide to the Secure Configuration of Alibaba Cloud Linux 2
Rules, Groups, and Values defined within the XCCDF Benchmark
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Verify User Who Owns /var/log/syslog File
To properly set the owner of/var/log/syslog, run the command:$ sudo chown syslog /var/log/syslog
Rule Medium Severity -
Record Events that Modify User/Group Information - /etc/gshadow
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 -
Record Events that Modify User/Group Information - /etc/security/opasswd
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 -
Record Events that Modify User/Group Information - /etc/passwd
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 -
Record Events that Modify User/Group Information - /etc/shadow
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 -
System Audit Logs Must Have Mode 0750 or Less Permissive
If <code>log_group</code> in <code>/etc/audit/auditd.conf</code> is set to a group other than the <code>root</code> group account, change the mode...Rule Medium Severity -
Audit Configuration Files Must Be Owned By Group root
All audit configuration files must be owned by group root.chown :root /etc/audit/audit*.{rules,conf} /etc/audit/rules.d/*Rule Medium Severity -
Audit Configuration Files Must Be Owned By Root
All audit configuration files must be owned by root user. To properly set the owner of <code>/etc/audit/</code>, run the command: <pre>$ sudo chow...Rule Medium Severity -
System Audit Logs Must Be Owned By Root
All audit logs must be owned by root user and group. By default, the path for audit log is <pre>/var/log/audit/</pre>. To properly set the owner o...Rule Medium Severity -
Kernel Parameters Which Affect Networking
The <code>sysctl</code> utility is used to set parameters which affect the operation of the Linux kernel. Kernel parameters which affect networking...Group -
cobbler_use_nfs SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
Audit Configuration Files Permissions are 640 or More Restrictive
All audit configuration files permissions must be 640 or more restrictive.chmod 0640 /etc/audit/audit*.{rules,conf} /etc/audit/rules.d/*Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls
At a minimum, the audit system should collect file permission changes for all users and root. Note that the "-F arch=b32" lines should be present e...Group -
Record Events that Modify the System's Discretionary Access Controls - chmod
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - chown
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - fchmod
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
dbadm_manage_user_files SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
Record Events that Modify the System's Discretionary Access Controls - fchmodat
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - fchown
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - fchownat
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - fremovexattr
At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - fsetxattr
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - lchown
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - lremovexattr
At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - lsetxattr
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - removexattr
At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - setxattr
At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - umount
At a minimum, the audit system should collect file system umount changes. If the <code>auditd</code> daemon is configured to use the <code>augenrul...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - umount2
At a minimum, the audit system should collect file system umount2 changes. If the <code>auditd</code> daemon is configured to use the <code>augenru...Rule Medium Severity -
Record Execution Attempts to Run ACL Privileged Commands
At a minimum, the audit system should collect the execution of ACL privileged commands for all users and root.Group -
Record Execution Attempts to Run SELinux Privileged Commands
At a minimum, the audit system should collect the execution of SELinux privileged commands for all users and root.Group -
Record File Deletion Events by User
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 t...Group -
Ensure auditd Collects File Deletion Events by User
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 th...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - rename
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 t...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - renameat
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 t...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - rmdir
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 t...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - unlink
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 t...Rule Medium Severity -
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 t...Rule Medium Severity -
Record Unauthorized Access Attempts Events to Files (unsuccessful)
At a minimum, the audit system should collect unauthorized file accesses for all users and root. Note that the "-F arch=b32" lines should be presen...Group -
Ensure auditd Collects Unauthorized Access Attempts to Files (unsuccessful)
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 -
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 -
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 -
Ensure auditd Collects Information on Kernel Module 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...Rule Medium Severity -
collectd_tcp_network_connect SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
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 -
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
Node 2
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