PCI-DSS v4.0 Control Baseline for Alibaba Cloud Linux 2
Rules and Groups employed by this XCCDF Profile
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Verify Permissions on Backup shadow File
To properly set the permissions of/etc/shadow-
, run the command:$ sudo chmod 0000 /etc/shadow-
Rule Medium Severity -
Verify Permissions on group File
To properly set the permissions of/etc/group
, run the command:$ sudo chmod 0644 /etc/group
Rule Medium Severity -
Verify Permissions on passwd File
To properly set the permissions of/etc/passwd
, run the command:$ sudo chmod 0644 /etc/passwd
Rule Medium Severity -
Verify Permissions on shadow File
To properly set the permissions of/etc/shadow
, run the command:$ sudo chmod 0000 /etc/shadow
Rule Medium Severity -
Restrict Programs from Dangerous Execution Patterns
The recommendations in this section are designed to ensure that the system's features to protect against potentially dangerous program execution ar...Group -
Disable Core Dumps
A core dump file is the memory image of an executable program when it was terminated by the operating system due to errant behavior. In most cases,...Group -
Disable core dump backtraces
The <code>ProcessSizeMax</code> option in <code>[Coredump]</code> section of <code>/etc/systemd/coredump.conf</code> specifies the maximum size in ...Rule Medium Severity -
Disable storing core dump
The <code>Storage</code> option in <code>[Coredump]</code> sectionof <code>/etc/systemd/coredump.conf</code> can be set to <code>none</code> to dis...Rule Medium Severity -
Disable Core Dumps for All Users
To disable core dumps for all users, add the following line to <code>/etc/security/limits.conf</code>, or to a file within the <code>/etc/security/...Rule Medium Severity -
Disable Core Dumps for SUID programs
To set the runtime status of the <code>fs.suid_dumpable</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w fs.suid_dumpable=...Rule Medium Severity
Node 2
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Capacity
Modules