Guide to the Secure Configuration of Alibaba Cloud Linux 2
Rules, Groups, and Values defined within the XCCDF Benchmark
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System Settings
Contains rules that check correct system settings.Group -
Installing and Maintaining Software
The following sections contain information on security-relevant choices during the initial operating system installation process and the setup of s...Group -
Prefer to use a 64-bit Operating System when supported
Prefer installation of 64-bit operating systems when the CPU supports it.Rule Medium Severity -
System and Software Integrity
System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...Group -
minlen
Minimum number of characters in passwordValue -
ocredit
Minimum number of other (special characters) in passwordValue -
retry
Number of retry attempts before erroring outValue -
ucredit
Minimum number of upper case in passwordValue -
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 -
Maximum KeepAlive Requests for HTTPD
The setting for MaxKeepAliveRequests in httpd.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 -
Software Integrity Checking
Both the AIDE (Advanced Intrusion Detection Environment) software and the RPM package management system provide mechanisms for verifying the integr...Group -
Integrity Scan Notification Email Address
Specify the email address for designated personnel if baseline configurations are changed in an unauthorized manner.Value -
Verify Integrity with RPM
The RPM package management system includes the ability to verify the integrity of installed packages by comparing the installed files with informat...Group -
The system-provided crypto policies
Specify the crypto policy for the system.Value -
Verify Integrity with AIDE
AIDE conducts integrity checks by comparing information about files with previously-gathered information. Ideally, the AIDE database is created imm...Group -
Install AIDE
Theaide
package can be installed with the following command:$ sudo yum install aide
Rule Medium Severity -
Build and Test AIDE Database
Run the following command to generate a new database: <pre>$ sudo /usr/sbin/aide --init</pre> By default, the database will be written to the fil...Rule Medium Severity
Node 2
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