Guide to the Secure Configuration of Anolis OS 8
Rules, Groups, and Values defined within the XCCDF Benchmark
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Verify Permissions on shadow File
To properly set the permissions of/etc/shadow, run the command:$ sudo chmod 0000 /etc/shadow
Rule Medium Severity -
Verify Permissions on Files within /var/log Directory
The/var/logdirectory contains files with logs of error messages in the system and should only be accessed by authorized personnel.Group -
Verify Group Who Owns /var/log Directory
To properly set the group owner of/var/log, run the command:$ sudo chgrp root /var/log
Rule Medium Severity -
Verify Group Who Owns /var/log/messages File
To properly set the group owner of/var/log/messages, run the command:$ sudo chgrp root /var/log/messages
Rule Medium Severity -
Verify Group Who Owns /var/log/syslog File
To properly set the group owner of/var/log/syslog, run the command:$ sudo chgrp adm /var/log/syslog
Rule Medium Severity -
Verify User Who Owns /var/log Directory
To properly set the owner of/var/log, run the command:$ sudo chown root /var/log
Rule Medium Severity -
Verify User Who Owns /var/log/messages File
To properly set the owner of/var/log/messages, run the command:$ sudo chown root /var/log/messages
Rule Medium Severity -
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 -
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 -
Verify File Permissions Within Some Important Directories
Some directories contain files whose confidentiality or integrity is notably important and may also be susceptible to misconfiguration over time, p...Group -
Verify that System Executable Have Root Ownership
<pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin</pre> All these directories should be owned by the <code>root</code> user. If any...Rule Medium Severity -
Verify that Shared Library Directories Have Root Ownership
System-wide shared library files, which are linked to executables during process load time or run time, are stored in the following directories by ...Rule Medium Severity -
Verify that System Executable Directories Have Restrictive Permissions
System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin</pre> Thes...Rule Medium Severity -
Verify that Shared Library Directories Have Restrictive Permissions
System-wide shared library directories, which contain are linked to executables during process load time or run time, are stored in the following d...Rule Medium Severity -
Verify that System Executables Have Root Ownership
System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/libexec /usr/local/bin /usr/local/sbin /usr/sb...Rule Medium Severity -
Verify that Shared Library Files Have Root Ownership
System-wide shared library files, which are linked to executables during process load time or run time, are stored in the following directories by ...Rule Medium Severity -
Verify that System Executables Have Restrictive Permissions
System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/libexec /usr/local/bin /usr/local/sbin /usr/sb...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 -
cron_userdomain_transition SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value
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