Guide to the Secure Configuration of Ubuntu 20.04
Rules, Groups, and Values defined within the XCCDF Benchmark
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Verify that audit tools Have Mode 0755 or less
The Ubuntu 20.04 operating system audit tools must have the proper permissions configured to protected against unauthorized access. Verify it by r...Rule Medium Severity -
Verify that System Executables Have Restrictive Permissions
System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/libexec /usr/local/bin /usr/local/sbin /usr/sb...Rule Medium Severity -
Verify that Shared Library Files Have Restrictive Permissions
System-wide shared library files, which are linked to executables during process load time or run time, are stored in the following directories by ...Rule Medium Severity -
Verify the system-wide library files in directories "/lib", "/lib64", "/usr/lib/" and "/usr/lib64" are group-owned by root.
System-wide library files are stored in the following directories by default: <pre>/lib /lib64 /usr/lib /usr/lib64 </pre> All system-wide shared li...Rule Medium Severity -
Restrict Dynamic Mounting and Unmounting of Filesystems
Linux includes a number of facilities for the automated addition and removal of filesystems on a running system. These facilities may be necessary...Group -
Disable the Automounter
The <code>autofs</code> daemon mounts and unmounts filesystems, such as user home directories shared via NFS, on demand. In addition, autofs can be...Rule Medium Severity -
antivirus_can_scan_system SELinux Boolean
default - Default SELinux boolean setting.
on - SELinux boolean is enabled.
off - SELinux boolean is disabled.Value -
Disable Mounting of freevxfs
To configure the system to prevent the <code>freevxfs</code> kernel module from being loaded, add the following line to the file <code>/etc/modpro...Rule Low Severity -
Disable Mounting of hfs
To configure the system to prevent the <code>hfs</code> kernel module from being loaded, add the following line to the file <code>/etc/modprobe.d/...Rule Low Severity -
Disable Mounting of hfsplus
To configure the system to prevent the <code>hfsplus</code> kernel module from being loaded, add the following line to the file <code>/etc/modprob...Rule Low Severity
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