Guide to the Secure Configuration of SUSE Linux Enterprise 15
Rules, Groups, and Values defined within the XCCDF Benchmark
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System Settings
Contains rules that check correct system settings.Group -
Installing and Maintaining Software
The following sections contain information on security-relevant choices during the initial operating system installation process and the setup of software updates.Group -
Prefer to use a 64-bit Operating System when supported
Prefer installation of 64-bit operating systems when the CPU supports it.Rule Medium Severity -
System and Software Integrity
System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software, enabling SELinux, installing an Intrusion Prevent...Group -
net.ipv6.conf.all.accept_ra_defrtr
Accept default router in router advertisements?Value -
net.ipv6.conf.all.accept_ra_pinfo
Accept prefix information in router advertisements?Value -
net.ipv6.conf.all.accept_ra_rtr_pref
Accept router preference in router advertisements?Value -
net.ipv6.conf.all.accept_ra
Accept all router advertisements?Value -
net.ipv6.conf.all.accept_redirects
Toggle ICMP Redirect AcceptanceValue -
net.ipv6.conf.default.accept_ra
Accept default router advertisements by default?Value -
net.ipv6.conf.default.accept_redirects
Toggle ICMP Redirect Acceptance By DefaultValue -
net.ipv4.conf.default.accept_source_route
Disable IP source routing?Value -
SSH Max authentication attempts
Specify the maximum number of authentication attempts per connection.Value -
McAfee Endpoint Security for Linux (ENSL)
McAfee Endpoint Security for Linux (ENSL) is a suite of software applications used to monitor, detect, and defend computer networks and systems.Group -
Ensure /usr Located On Separate Partition
It is recommended that the/usr
directory resides on a separate partition.Rule Medium Severity -
Integrity Scan Notification Email Address
Specify the email address for designated personnel if baseline configurations are changed in an unauthorized manner.Value -
Verify Integrity with RPM
The RPM package management system includes the ability to verify the integrity of installed packages by comparing the installed files with information about the files taken from the package metadat...Group -
Verify and Correct File Permissions with RPM
The RPM package management system can check file access permissions of installed software packages, including many that are important to system security. Verify that the file permissions of system ...Rule High Severity -
Verify Integrity with AIDE
AIDE conducts integrity checks by comparing information about files with previously-gathered information. Ideally, the AIDE database is created immediately after initial system configuration, and t...Group -
Build and Test AIDE Database
Run the following command to generate a new database: <pre>$ sudo /usr/bin/aide --init</pre> By default, the database will be written to the file <code>/var/lib/aide/aide.db.new</code>. Storing...Rule Medium Severity
Node 2
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