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DRAFT - Protection Profile for General Purpose Operating Systems

Rules and Groups employed by this XCCDF Profile

  • Configure auditing of unsuccessful file creations

    Ensure that unsuccessful attempts to create a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file ...
    Rule Medium Severity
    Show

  • Configure auditing of successful file creations

    Ensure that successful attempts to create a file are audited. The following rules configure audit as described above: <pre>## Successful file crea...
    Rule Medium Severity
    Show

  • Configure auditing of unsuccessful file deletions

    Ensure that unsuccessful attempts to delete a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file ...
    Rule Medium Severity
    Show

  • Configure auditing of successful file deletions

    Ensure that successful attempts to delete a file are audited. The following rules configure audit as described above: <pre>## Successful file dele...
    Rule Medium Severity
    Show

  • Configure immutable Audit login UIDs

    Configure kernel to prevent modification of login UIDs once they are set. Changing login UIDs while this configuration is enforced requires special...
    Rule Medium Severity
    Show

  • Configure auditing of unsuccessful file modifications

    Ensure that unsuccessful attempts to modify a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file ...
    Rule Medium Severity
    Show

  • Configure auditing of successful file modifications

    Ensure that successful attempts to modify a file are audited. The following rules configure audit as described above: <pre>## Successful file modi...
    Rule Medium Severity
    Show

  • Configure auditing of loading and unloading of kernel modules

    Ensure that loading and unloading of kernel modules is audited. The following rules configure audit as described above: <pre>## These rules watch ...
    Rule Medium Severity
    Show

  • Perform general configuration of Audit for OSPP

    Configure some basic <code>Audit</code> parameters specific for OSPP profile. In particular, configure <code>Audit</code> to watch for direct modif...
    Rule Medium Severity
    Show

  • Configure auditing of unsuccessful ownership changes

    Ensure that unsuccessful attempts to change an ownership of files or directories are audited. The following rules configure audit as described abo...
    Rule Medium Severity
    Show

  • Configure auditing of successful ownership changes

    Ensure that successful attempts to change an ownership of files or directories are audited. The following rules configure audit as described above...
    Rule Medium Severity
    Show

  • Configure auditing of unsuccessful permission changes

    Ensure that unsuccessful attempts to change file or directory permissions are audited. The following rules configure audit as described above: <pr...
    Rule Medium Severity
    Show

  • Configure auditing of successful permission changes

    Ensure that successful attempts to modify permissions of files or directories are audited. The following rules configure audit as described above:...
    Rule Medium Severity
    Show

  • GRUB2 bootloader configuration

    During the boot process, the boot loader is responsible for starting the execution of the kernel and passing options to it. The boot loader allows ...
    Group
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  • Configure kernel to zero out memory before allocation

    To configure the kernel to zero out memory before allocating it, add the <code>init_on_alloc=1</code> argument to the default GRUB 2 command line. ...
    Rule Medium Severity
    Show

  • Enable randomization of the page allocator

    To enable randomization of the page allocator in the kernel, add the <code>page_alloc.shuffle=1</code> argument to the default GRUB 2 command line....
    Rule Medium Severity
    Show

  • Disable vsyscalls

    To disable use of virtual syscalls, add the argument <code>vsyscall=none</code> to the default GRUB 2 command line for the Linux operating system. ...
    Rule Medium Severity
    Show

  • UEFI GRUB2 bootloader configuration

    UEFI GRUB2 bootloader configuration
    Group
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  • Set the UEFI Boot Loader Password

    The grub2 boot loader should have a superuser account and password protection enabled to protect boot-time settings. <br><br> Since plaintext passw...
    Rule High Severity
    Show

  • 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
    Show

  • 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> $ sudo y...
    Rule Medium Severity
    Show

  • Ensure rsyslog is Installed

    Rsyslog is installed by default. The rsyslog package can be installed with the following command: 
     $ sudo yum install rsyslog
    Rule Medium Severity
    Show

  • Rsyslog Logs Sent To Remote Host

    If system logs are to be useful in detecting malicious activities, it is necessary to send logs to a remote server. An intruder who has compromised...
    Group
    Show

  • Configure TLS for rsyslog remote logging

    Configure <code>rsyslog</code> to use Transport Layer Security (TLS) support for logging to remote server for the Forwarding Output Module in <code...
    Rule Medium Severity
    Show

  • Configure CA certificate for rsyslog remote logging

    Configure CA certificate for <code>rsyslog</code> logging to remote server using Transport Layer Security (TLS) using correct path for the <code>De...
    Rule Medium Severity
    Show

  • Network Configuration and Firewalls

    Most systems must be connected to a network of some sort, and this brings with it the substantial risk of network attack. This section discusses th...
    Group
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  • firewalld

    The dynamic firewall daemon <code>firewalld</code> provides a dynamically managed firewall with support for network “zones” to assign a level of tr...
    Group
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  • Inspect and Activate Default 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
    Show

  • Install firewalld Package

    The firewalld package can be installed with the following command: 
    $ sudo yum install firewalld
    Rule Medium Severity
    Show

  • Verify firewalld Enabled

    The firewalld service can be enabled with the following command: 
    $ sudo systemctl enable firewalld.service
    Rule Medium Severity
    Show

  • IPv6

    The system includes support for Internet Protocol version 6. A major and often-mentioned improvement over IPv4 is its enormous increase in the numb...
    Group
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  • Configure IPv6 Settings if Necessary

    A major feature of IPv6 is the extent to which systems implementing it can automatically configure their networking devices using information from ...
    Group
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  • Configure Accepting Router Advertisements on All IPv6 Interfaces

    To set the runtime status of the <code>net.ipv6.conf.all.accept_ra</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net.ip...
    Rule Medium Severity
    Show

  • Disable Accepting ICMP Redirects for All IPv6 Interfaces

    To set the runtime status of the <code>net.ipv6.conf.all.accept_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting Source-Routed Packets on all IPv6 Interfaces

    To set the runtime status of the <code>net.ipv6.conf.all.accept_source_route</code> kernel parameter, run the following command: <pre>$ sudo sysctl...
    Rule Medium Severity
    Show

  • Disable Accepting Router Advertisements on all IPv6 Interfaces by Default

    To set the runtime status of the <code>net.ipv6.conf.default.accept_ra</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w ne...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting ICMP Redirects by Default on IPv6 Interfaces

    To set the runtime status of the <code>net.ipv6.conf.default.accept_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysct...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting Source-Routed Packets on IPv6 Interfaces by Default

    To set the runtime status of the <code>net.ipv6.conf.default.accept_source_route</code> kernel parameter, run the following command: <pre>$ sudo sy...
    Rule Medium Severity
    Show

  • Kernel Parameters Which Affect Networking

    The <code>sysctl</code> utility is used to set parameters which affect the operation of the Linux kernel. Kernel parameters which affect networking...
    Group
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  • Network Related Kernel Runtime Parameters for Hosts and Routers

    Certain kernel parameters should be set for systems which are acting as either hosts or routers to improve the system's ability defend against cert...
    Group
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  • Disable Accepting ICMP Redirects for All IPv4 Interfaces

    To set the runtime status of the <code>net.ipv4.conf.all.accept_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting Source-Routed Packets on all IPv4 Interfaces

    To set the runtime status of the <code>net.ipv4.conf.all.accept_source_route</code> kernel parameter, run the following command: <pre>$ sudo sysctl...
    Rule Medium Severity
    Show

  • Enable Kernel Parameter to Log Martian Packets on all IPv4 Interfaces

    To set the runtime status of the <code>net.ipv4.conf.all.log_martians</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net...
    Rule Unknown Severity
    Show

  • Enable Kernel Parameter to Use Reverse Path Filtering on all IPv4 Interfaces

    To set the runtime status of the <code>net.ipv4.conf.all.rp_filter</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net.ip...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting Secure ICMP Redirects on all IPv4 Interfaces

    To set the runtime status of the <code>net.ipv4.conf.all.secure_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting ICMP Redirects by Default on IPv4 Interfaces

    To set the runtime status of the <code>net.ipv4.conf.default.accept_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysct...
    Rule Medium Severity
    Show

  • Disable Kernel Parameter for Accepting Source-Routed Packets on IPv4 Interfaces by Default

    To set the runtime status of the <code>net.ipv4.conf.default.accept_source_route</code> kernel parameter, run the following command: <pre>$ sudo sy...
    Rule Medium Severity
    Show

  • Enable Kernel Paremeter to Log Martian Packets on all IPv4 Interfaces by Default

    To set the runtime status of the <code>net.ipv4.conf.default.log_martians</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w...
    Rule Unknown Severity
    Show

  • Enable Kernel Parameter to Use Reverse Path Filtering on all IPv4 Interfaces by Default

    To set the runtime status of the <code>net.ipv4.conf.default.rp_filter</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w ne...
    Rule Medium Severity
    Show

  • Configure Kernel Parameter for Accepting Secure Redirects By Default

    To set the runtime status of the <code>net.ipv4.conf.default.secure_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysct...
    Rule Medium Severity
    Show

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