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Guide to the Secure Configuration of OpenEmbedded

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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 Directory

    To properly set the owner of /var/log, run the command: 
    $ sudo chown root /var/log
    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

  • 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 Permissions on /var/log Directory

    To properly set the permissions of /var/log, run the command: 
    $ sudo chmod 0755 /var/log
    Rule Medium Severity
    Show

  • Verify Permissions on /var/log/messages File

    To properly set the permissions of /var/log/messages, run the command: 
    $ sudo chmod 0640 /var/log/messages
    Rule Medium Severity
    Show

  • 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
    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

  • Run Separate DNS Servers for External and Internal Queries

    Is it possible to run external and internal nameservers on separate systems? If so, follow the configuration guidance in this section. On the exter...
    Group
    Show

  • Restrict Partition Mount Options

    System partitions can be mounted with certain options that limit what files on those partitions can do. These options are set in the <code>/etc/fst...
    Group
    Show

  • Docker Service

    The docker service is necessary to create containers, which are self-sufficient and self-contained applications using the resource isolation fe...
    Group
    Show

  • Value for hidepid option

    The hidepid mount option is applicable to /proc and is used to control who can access the information in /proc/[pid] directories. The option can ha...
    Value
    Show

  • Removable Partition

    This value is used by the checks mount_option_nodev_removable_partitions, mount_option_nodev_removable_partitions, and mount_option_nodev_removable...
    Value
    Show

  • Application Whitelisting Daemon

    Fapolicyd (File Access Policy Daemon) implements application whitelisting to decide file access rights. Applications that are known via a reputatio...
    Group
    Show

  • Add nodev Option to /dev/shm

    The <code>nodev</code> mount option can be used to prevent creation of device files in <code>/dev/shm</code>. Legitimate character and block device...
    Rule Medium Severity
    Show

  • Add nosuid Option to /dev/shm

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/dev/shm</code>. The SUID and SGID permissions s...
    Rule Medium Severity
    Show

  • Verify Permissions on Important Files and Directories Are Configured in /etc/permissions.local

    Permissions for many files on a system must be set restrictively to ensure sensitive information is properly protected. This section discusses the ...
    Group
    Show

  • 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
    Show

  • kernel.unprivileged_bpf_disabled

    Prevent unprivileged processes from using the bpf() syscall.
    Value
    Show

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