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CIS SUSE Linux Enterprise 15 Benchmark for Level 1 - Server

Rules and Groups employed by this XCCDF Profile

  • Add nosuid Option to /var/tmp

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var/tmp</code>. The SUID and SGID permissions sh...
    Rule Medium Severity
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  • 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 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
    Show

  • Disable storing core dump

    The <code>Storage</code> option in <code>[Coredump]</code> section of <code>/etc/systemd/coredump.conf</code> or <code>/etc/systemd/coredump.conf.d...
    Rule Medium Severity
    Show

  • 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
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  • 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
    Show

  • Enable ExecShield

    ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These featu...
    Group
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  • Enable Randomized Layout of Virtual Address Space

    To set the runtime status of the <code>kernel.randomize_va_space</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.r...
    Rule Medium Severity
    Show

  • Enable Execute Disable (XD) or No Execute (NX) Support on x86 Systems

    Recent processors in the x86 family support the ability to prevent code execution on a per memory page basis. Generically and on AMD processors, th...
    Group
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  • Enable NX or XD Support in the BIOS

    Reboot the system and enter the BIOS or Setup configuration menu. Navigate the BIOS configuration menu and make sure that the option is enabled. Th...
    Rule Medium Severity
    Show

  • Install PAE Kernel on Supported 32-bit x86 Systems

    Systems that are using the 64-bit x86 kernel package do not need to install the kernel-PAE package because the 64-bit x86 kernel already includes t...
    Rule Unknown Severity
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  • Services

    The best protection against vulnerable software is running less software. This section describes how to review the software which SUSE Linux Enterp...
    Group
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  • Avahi Server

    The Avahi daemon implements the DNS Service Discovery and Multicast DNS protocols, which provide service and host discovery on a network. It allows...
    Group
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  • Disable Avahi Server if Possible

    Because the Avahi daemon service keeps an open network port, it is subject to network attacks. Disabling it can reduce the system's vulnerability t...
    Group
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  • Uninstall avahi-autoipd Server Package

    If the system does not need to have an Avahi server which implements the DNS Service Discovery and Multicast DNS protocols, the avahi-autoipd and ...
    Rule Medium Severity
    Show

  • Uninstall avahi Server Package

    If the system does not need to have an Avahi server which implements the DNS Service Discovery and Multicast DNS protocols, the avahi-autoipd and a...
    Rule Medium Severity
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  • Disable Avahi Server Software

    The avahi-daemon service can be disabled with the following command: 
    $ sudo systemctl mask --now avahi-daemon.service
    Rule Medium Severity
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  • Cron and At Daemons

    The cron and at services are used to allow commands to be executed at a later time. The cron service is required by almost all systems to perform n...
    Group
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  • Install the cron service

    The Cron service should be installed.
    Rule Medium Severity
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  • Enable cron Service

    The <code>crond</code> service is used to execute commands at preconfigured times. It is required by almost all systems to perform necessary mainte...
    Rule Medium Severity
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  • Verify Group Who Owns cron.d

    To properly set the group owner of /etc/cron.d, run the command: 
    $ sudo chgrp root /etc/cron.d
    Rule Medium Severity
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  • Verify Group Who Owns cron.daily

    To properly set the group owner of /etc/cron.daily, run the command: 
    $ sudo chgrp root /etc/cron.daily
    Rule Medium Severity
    Show

  • Verify Group Who Owns cron.hourly

    To properly set the group owner of /etc/cron.hourly, run the command: 
    $ sudo chgrp root /etc/cron.hourly
    Rule Medium Severity
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  • Verify Group Who Owns cron.monthly

    To properly set the group owner of /etc/cron.monthly, run the command: 
    $ sudo chgrp root /etc/cron.monthly
    Rule Medium Severity
    Show

  • Verify Group Who Owns cron.weekly

    To properly set the group owner of /etc/cron.weekly, run the command: 
    $ sudo chgrp root /etc/cron.weekly
    Rule Medium Severity
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  • Verify Group Who Owns Crontab

    To properly set the group owner of /etc/crontab, run the command: 
    $ sudo chgrp root /etc/crontab
    Rule Medium Severity
    Show

  • Verify Owner on cron.d

    To properly set the owner of /etc/cron.d, run the command: 
    $ sudo chown root /etc/cron.d
    Rule Medium Severity
    Show

  • Verify Owner on cron.daily

    To properly set the owner of /etc/cron.daily, run the command: 
    $ sudo chown root /etc/cron.daily
    Rule Medium Severity
    Show

  • Verify Owner on cron.hourly

    To properly set the owner of /etc/cron.hourly, run the command: 
    $ sudo chown root /etc/cron.hourly
    Rule Medium Severity
    Show

  • Verify Owner on cron.monthly

    To properly set the owner of /etc/cron.monthly, run the command: 
    $ sudo chown root /etc/cron.monthly
    Rule Medium Severity
    Show

  • Verify Owner on cron.weekly

    To properly set the owner of /etc/cron.weekly, run the command: 
    $ sudo chown root /etc/cron.weekly
    Rule Medium Severity
    Show

  • Verify Owner on crontab

    To properly set the owner of /etc/crontab, run the command: 
    $ sudo chown root /etc/crontab
    Rule Medium Severity
    Show

  • Verify Permissions on cron.d

    To properly set the permissions of /etc/cron.d, run the command: 
    $ sudo chmod 0700 /etc/cron.d
    Rule Medium Severity
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  • Verify Permissions on cron.daily

    To properly set the permissions of /etc/cron.daily, run the command: 
    $ sudo chmod 0700 /etc/cron.daily
    Rule Medium Severity
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  • Verify Permissions on cron.hourly

    To properly set the permissions of /etc/cron.hourly, run the command: 
    $ sudo chmod 0700 /etc/cron.hourly
    Rule Medium Severity
    Show

  • Verify Permissions on cron.monthly

    To properly set the permissions of /etc/cron.monthly, run the command: 
    $ sudo chmod 0700 /etc/cron.monthly
    Rule Medium Severity
    Show

  • Verify Permissions on cron.weekly

    To properly set the permissions of /etc/cron.weekly, run the command: 
    $ sudo chmod 0700 /etc/cron.weekly
    Rule Medium Severity
    Show

  • Verify Permissions on crontab

    To properly set the permissions of /etc/crontab, run the command: 
    $ sudo chmod 0600 /etc/crontab
    Rule Medium Severity
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  • Restrict at and cron to Authorized Users if Necessary

    The <code>/etc/cron.allow</code> and <code>/etc/at.allow</code> files contain lists of users who are allowed to use <code>cron</code> and at to del...
    Group
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  • Ensure that /etc/at.deny does not exist

    The file /etc/at.deny should not exist. Use /etc/at.allow instead.
    Rule Medium Severity
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  • Ensure that /etc/cron.deny does not exist

    The file /etc/cron.deny should not exist. Use /etc/cron.allow instead.
    Rule Medium Severity
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  • Verify Group Who Owns /etc/at.allow file

    If <code>/etc/at.allow</code> exists, it must be group-owned by <code>root</code>. To properly set the group owner of <code>/etc/at.allow</code>, ...
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/cron.allow file

    If <code>/etc/cron.allow</code> exists, it must be group-owned by <code>root</code>. To properly set the group owner of <code>/etc/cron.allow</cod...
    Rule Medium Severity
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  • Verify User Who Owns /etc/at.allow file

    If <code>/etc/at.allow</code> exists, it must be owned by <code>root</code>. To properly set the owner of <code>/etc/at.allow</code>, run the comm...
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/cron.allow file

    If <code>/etc/cron.allow</code> exists, it must be owned by <code>root</code>. To properly set the owner of <code>/etc/cron.allow</code>, run the ...
    Rule Medium Severity
    Show

  • Verify Permissions on /etc/at.allow file

    If <code>/etc/at.allow</code> exists, it must have permissions <code>0640</code> or more restrictive. To properly set the permissions of <code>/e...
    Rule Medium Severity
    Show

  • Verify Permissions on /etc/cron.allow file

    If <code>/etc/cron.allow</code> exists, it must have permissions <code>0640</code> or more restrictive. To properly set the permissions of <code>...
    Rule Medium Severity
    Show

  • DHCP

    The Dynamic Host Configuration Protocol (DHCP) allows systems to request and obtain an IP address and other configuration parameters from a server....
    Group
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  • Disable DHCP Client

    DHCP is the default network configuration method provided by the system installer, and common on many networks. Nevertheless, manual management of ...
    Group
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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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