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Guide to the Secure Configuration of Kylin Server 10

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Permissions on group File

    To properly set the permissions of /etc/group, run the command: 
    $ sudo chmod 0644 /etc/group
    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

  • Restrict Dynamic Mounting and Unmounting of Filesystems

    Linux includes a number of facilities for the automated addition and removal of filesystems on a running system. These facilities may be necessary...
    Group
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  • Disable the Automounter

    The <code>autofs</code> daemon mounts and unmounts filesystems, such as user home directories shared via NFS, on demand. In addition, autofs can be...
    Rule Medium Severity
    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
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  • 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
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  • 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
    Show

  • Enable the OpenSSH Service

    The SSH server service, sshd, is commonly needed. The <code>sshd</code> service can be enabled with the following command: <pre>$ sudo systemctl e...
    Rule Medium Severity
    Show

  • Verify Permissions on SSH Server Private *_key Key Files

    SSH server private keys - files that match the <code>/etc/ssh/*_key</code> glob, have to have restricted permissions. If those files are owned by t...
    Rule Medium Severity
    Show

  • Configure OpenSSH Server if Necessary

    If the system needs to act as an SSH server, then certain changes should be made to the OpenSSH daemon configuration file <code>/etc/ssh/sshd_confi...
    Group
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  • System Settings

    Contains rules that check correct system settings.
    Group
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  • 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
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  • System and Software Integrity

    System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...
    Group
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  • Software Integrity Checking

    Both the AIDE (Advanced Intrusion Detection Environment) software and the RPM package management system provide mechanisms for verifying the integr...
    Group
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  • 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
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  • Install AIDE

    The aide package can be installed with the following command: 
    $ sudo dnf install aide
    Rule Medium Severity
    Show

  • Sudo

    <code>Sudo</code>, which stands for "su 'do'", provides the ability to delegate authority to certain users, groups of users, or system administrato...
    Group
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  • Sudo - logfile value

    Specify the sudo logfile to use. The default value used here matches the example location from CIS, which uses /var/log/sudo.log.
    Value
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  • Ensure Only Users Logged In To Real tty Can Execute Sudo - sudo use_pty

    The sudo <code>use_pty</code> tag, when specified, will only execute sudo commands from users logged in to a real tty. This should be enabled by ma...
    Rule Medium Severity
    Show

Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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