Guide to the Secure Configuration of SUSE Linux Enterprise 15
Rules, Groups, and Values defined within the XCCDF Benchmark
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Formatting Conventions
Commands intended for shell execution, as well as configuration file text, are featured in a <code>monospace font</code>. <i>Italics</i> are used t...Group -
Read Sections Completely and in Order
Each section may build on information and recommendations discussed in prior sections. Each section should be read and understood completely; instr...Group -
Reboot Required
A system reboot is implicitly required after some actions in order to complete the reconfiguration of the system. In many cases, the changes will n...Group -
Root Shell Environment Assumed
Most of the actions listed in this document are written with the assumption that they will be executed by the root user running the <code>/bin/bash...Group -
Test in Non-Production Environment
This guidance should always be tested in a non-production environment before deployment. This test environment should simulate the setup in which t...Group -
Dectivate firewalld Rules
Firewalls can be used to separate networks into different zones based on the level of trust the user has decided to place on the devices and traffi...Group -
Uninstall firewalld Package
firewalld (Dynamic Firewall Manager) provides a dynamically managed firewall with support for network/firewall “zones” to assign a level of trust t...Rule Medium Severity -
Configure Systemd Timesyncd Root Distance Servers
<code>systemd-timesyncd</code> server configuration should have RootDistanceMaxSec is listed in accordance with local policy. This setting describe...Rule Medium Severity -
SSH Strong MACs by FIPS
Specify the FIPS approved MACs (Message Authentication Code) algorithms that are used for data integrity protection by the SSH server.Value -
Verify File Hashes with RPM
Without cryptographic integrity protections, system executables and files can be altered by unauthorized users without detection. The RPM package m...Rule High Severity
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