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Guide to the Secure Configuration of Alibaba Cloud Linux 3

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Permissions on Backup passwd File

    To properly set the permissions of /etc/passwd-, run the command: 
    $ sudo chmod 0644 /etc/passwd-
    Rule Medium Severity
    Show

  • 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
    Show

  • Verify Permissions on passwd File

    To properly set the permissions of /etc/passwd, run the command: 
    $ sudo chmod 0644 /etc/passwd
    Rule Medium Severity
    Show

  • Verify Permissions on shadow File

    To properly set the permissions of /etc/shadow, run the command: 
    $ sudo chmod 0000 /etc/shadow
    Rule Medium Severity
    Show

  • Verify Permissions on Files within /var/log Directory

    The /var/log directory contains files with logs of error messages in the system and should only be accessed by authorized personnel.
    Group
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • cups_execmem SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • 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
    Show

  • Verify that Shared Library Files Have Restrictive Permissions

    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
    Show

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