Guide to the Secure Configuration of Debian 12
Rules, Groups, and Values defined within the XCCDF Benchmark
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Randomize layout of sensitive kernel structures
Randomize at compile-time the layouts of structures that are entirely function pointers (and have not been manually annotated with __no_randomize_l...Rule Medium Severity -
Poison kernel stack before returning from syscalls
This option makes the kernel erase the kernel stack before returning from system calls. This has the effect of leaving the stack initialized to the...Rule Medium Severity -
Force initialization of variables containing userspace addresses
While the kernel is built with warnings enabled for any missed stack variable initializations, this warning is silenced for anything passed by refe...Rule Medium Severity -
zero-init everything passed by reference
Zero-initialize any stack variables that may be passed by reference and had not already been explicitly initialized. This configuration is availabl...Rule Medium Severity -
Configure Syslog
The syslog service has been the default Unix logging mechanism for many years. It has a number of downsides, including inconsistent log format, lac...Group -
Ensure rsyslog-gnutls is installed
TLS protocol support for rsyslog is installed. The <code>rsyslog-gnutls</code> package can be installed with the following command: <pre> $ apt-ge...Rule Medium Severity -
Ensure rsyslog is Installed
Rsyslog is installed by default. The <code>rsyslog</code> package can be installed with the following command: <pre> $ apt-get install rsyslog</pre...Rule Medium Severity -
Enable rsyslog Service
The <code>rsyslog</code> service provides syslog-style logging by default on Debian 12. The <code>rsyslog</code> service can be enabled with the f...Rule Medium Severity -
Ensure Proper Configuration of Log Files
The file <code>/etc/rsyslog.conf</code> controls where log message are written. These are controlled by lines called <i>rules</i>, which consist of...Group -
Ensure Rsyslog Authenticates Off-Loaded Audit Records
Rsyslogd is a system utility providing support for message logging. Support for both internet and UNIX domain sockets enables this utility to suppo...Rule Medium Severity
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