Guide to the Secure Configuration of Debian 12
Rules, Groups, and Values defined within the XCCDF Benchmark
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Add nosuid Option to /tmp
The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/tmp</code>. The SUID and SGID permissions should...Rule Medium Severity -
Add noexec Option to /var/log
The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/var/log</code>. Add the <code>noexec</code> ...Rule Medium Severity -
Add nosuid Option to /var/log
The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var/log</code>. The SUID and SGID permissions sh...Rule Medium Severity -
Add noexec Option to /var
The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/var</code>. Add the <code>noexec</code> opti...Rule Medium Severity -
Add nosuid Option to /var
The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var</code>. The SUID and SGID permissions should...Rule Medium Severity -
Add noexec Option to /var/tmp
The <code>noexec</code> mount option can be used to prevent binaries from being executed out of <code>/var/tmp</code>. Add the <code>noexec</code> ...Rule Medium Severity -
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 -
Restrict Access to Kernel Message Buffer
To set the runtime status of the <code>kernel.dmesg_restrict</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.dmesg...Rule Low Severity -
Ensure /boot Located On Separate Partition
It is recommended that the <code>/boot</code> directory resides on a separate partition. This makes it easier to apply restrictions e.g. through th...Rule Medium Severity -
Ensure /opt Located On Separate Partition
It is recommended that the/optdirectory resides on a separate partition.Rule Medium Severity -
Ensure /usr Located On Separate Partition
It is recommended that the/usrdirectory resides on a separate partition.Rule Medium Severity -
Ensure /var/tmp Located On Separate Partition
The <code>/var/tmp</code> directory is a world-writable directory used for temporary file storage. Ensure it has its own partition or logical volum...Rule Medium Severity -
Ensure tmp.mount Unit Us Enabled
The <code>/tmp</code> directory is a world-writable directory used for temporary file storage. This directory is managed by <code>systemd-tmpfiles<...Rule Low Severity -
GNOME Desktop Environment
GNOME is a graphical desktop environment bundled with many Linux distributions that allow users to easily interact with the operating system graphi...Group -
Ensure sudo Ignores Commands In Current Dir - sudo ignore_dot
The sudo <code>ignore_dot</code> tag, when specified, will ignore the current directory in the PATH environment variable. This should be enabled by...Rule Medium Severity -
Ensure Software Patches Installed
If the system has an apt repository available, run the following command to install updates: <pre>$ apt update && apt full-upgrade</pre> ...Rule Medium Severity -
Verify Permissions On /etc/ipsec.d Directory
To properly set the permissions of/etc/ipsec.d, run the command:$ sudo chmod 0700 /etc/ipsec.d
Rule Medium Severity -
Verify Group Who Owns /etc/ipsec.conf File
To properly set the group owner of/etc/ipsec.conf, run the command:$ sudo chgrp root /etc/ipsec.conf
Rule Medium Severity -
Verify Group Who Owns /etc/ipsec.secrets File
To properly set the group owner of/etc/ipsec.secrets, run the command:$ sudo chgrp root /etc/ipsec.secrets
Rule Medium Severity -
Verify User Who Owns /etc/ipsec.conf File
To properly set the owner of/etc/ipsec.conf, run the command:$ sudo chown root /etc/ipsec.conf
Rule Medium Severity
Node 2
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