Skip to content
ATO Pathways
  Log In

Guide to the Secure Configuration of Red Hat Enterprise Linux 10

Rules, Groups, and Values defined within the XCCDF Benchmark

  • net.ipv6.conf.all.accept_ra_rtr_pref

    Accept router preference in router advertisements?
    Value
    Show

  • net.ipv6.conf.all.accept_ra

    Accept all router advertisements?
    Value
    Show

  • net.ipv6.conf.all.accept_redirects

    Toggle ICMP Redirect Acceptance
    Value
    Show

  • net.ipv6.conf.all.accept_source_route

    Trackers could be using source-routed packets to generate traffic that seems to be intra-net, but actually was created outside and has been redirec...
    Value
    Show

  • net.ipv6.conf.all.autoconf

    Enable auto configuration on IPv6 interfaces
    Value
    Show

  • net.ipv6.conf.all.forwarding

    Toggle IPv6 Forwarding
    Value
    Show

  • net.ipv6.conf.all.max_addresses

    Maximum number of autoconfigured IPv6 addresses
    Value
    Show

  • net.ipv6.conf.all.router_solicitations

    Accept all router solicitations?
    Value
    Show

  • net.ipv6.conf.default.accept_ra_defrtr

    Accept default router in router advertisements?
    Value
    Show

  • net.ipv6.conf.default.accept_ra_pinfo

    Accept prefix information in router advertisements?
    Value
    Show

  • net.ipv6.conf.default.accept_ra_rtr_pref

    Accept router preference in router advertisements?
    Value
    Show

  • net.ipv6.conf.default.accept_ra

    Accept default router advertisements by default?
    Value
    Show

  • net.ipv6.conf.default.accept_redirects

    Toggle ICMP Redirect Acceptance By Default
    Value
    Show

  • net.ipv6.conf.default.accept_source_route

    Trackers could be using source-routed packets to generate traffic that seems to be intra-net, but actually was created outside and has been redirec...
    Value
    Show

  • net.ipv6.conf.default.autoconf

    Enable auto configuration on IPv6 interfaces
    Value
    Show

  • net.ipv6.conf.default.max_addresses

    Maximum number of autoconfigured IPv6 addresses
    Value
    Show

  • net.ipv6.conf.default.router_solicitations

    Accept all router solicitations by default?
    Value
    Show

  • Manually Assign Global IPv6 Address

    To manually assign an IP address for an interface, edit the file <code>/etc/sysconfig/network-scripts/ifcfg-<i>interface</i> </co...
    Rule Unknown Severity
    Show

  • 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

  • Configure Accepting Default Router in Router Advertisements on All IPv6 Interfaces

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

  • Configure Accepting Prefix Information in Router Advertisements on All IPv6 Interfaces

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

  • Configure Accepting Router Preference in Router Advertisements on All IPv6 Interfaces

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

  • Configure tmux to lock session after inactivity

    To enable console screen locking in <code>tmux</code> terminal multiplexer after a period of inactivity, the <code>lock-after-time</code> option ha...
    Rule Medium Severity
    Show

  • Verify No .forward Files Exist

    The .forward file specifies an email address to forward the user's mail to.
    Rule Medium Severity
    Show

  • Verify No netrc Files Exist

    The <code>.netrc</code> files contain login information used to auto-login into FTP servers and reside in the user's home directory. These files ma...
    Rule Medium Severity
    Show

  • Configure SSSD to Expire Offline Credentials

    SSSD should be configured to expire offline credentials after 1 day. To configure SSSD to expire offline credentials, set <code>offline_credential...
    Rule Medium Severity
    Show

  • USBGuard daemon

    The USBGuard daemon enforces the USB device authorization policy for all USB devices.
    Group
    Show

  • Install usbguard Package

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

  • Enable the USBGuard Service

    The USBGuard service should be enabled. The <code>usbguard</code> service can be enabled with the following command: <pre>$ sudo systemctl enable ...
    Rule Medium Severity
    Show

  • Log USBGuard daemon audit events using Linux Audit

    To configure USBGuard daemon to log via Linux Audit (as opposed directly to a file), <code>AuditBackend</code> option in <code>/etc/usbguard/usbgua...
    Rule Low Severity
    Show

  • Generate USBGuard Policy

    By default USBGuard when enabled prevents access to all USB devices and this lead to inaccessible system if they use USB mouse/keyboard. To prevent...
    Rule Medium Severity
    Show

  • X Window System

    The X Window System implementation included with the system is called X.org.
    Group
    Show

  • Disable X Windows

    Unless there is a mission-critical reason for the system to run a graphical user interface, ensure X is not set to start automatically at boot and ...
    Group
    Show

  • Verify the SSH Private Key Files Have a Passcode

    When creating SSH key pairs, always use a passcode. <br> You can create such keys with the following command: <pre>$ sudo ssh-keygen -n [passphrase...
    Rule Medium Severity
    Show

  • Configure OpenSSH Server if Necessary

    If the system needs to act as an SSH server, then certain changes should be made to the OpenSSH daemon configuration file <code>/etc/ssh/sshd_confi...
    Group
    Show

  • SSH RekeyLimit - size

    Specify the size component of the rekey limit.
    Value
    Show

  • SSH RekeyLimit - size

    Specify the size component of the rekey limit.
    Value
    Show

  • SSH Compression Setting

    Specify the compression setting for SSH connections.
    Value
    Show

  • SSH Privilege Separation Setting

    Specify whether and how sshd separates privileges when handling incoming network connections.
    Value
    Show

  • SSH LoginGraceTime setting

    Configure parameters for how long the servers stays connected before the user has successfully logged in
    Value
    Show

  • SSH MaxStartups setting

    Configure parameters for maximum concurrent unauthenticated connections to the SSH daemon.
    Value
    Show

  • Add nosuid Option to /var/log/audit

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var/log/audit</code>. The SUID and SGID permissi...
    Rule Medium Severity
    Show

  • Disable Kernel Image Loading

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

  • Verify Group Who Owns /etc/sestatus.conf File

    To properly set the group owner of /etc/sestatus.conf, run the command: 
    $ sudo chgrp root /etc/sestatus.conf
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/sestatus.conf File

    To properly set the owner of /etc/sestatus.conf, run the command: 
    $ sudo chown root /etc/sestatus.conf
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/sestatus.conf File

    To properly set the permissions of /etc/sestatus.conf, run the command: 
    $ sudo chmod 0644 /etc/sestatus.conf
    Rule Medium Severity
    Show

  • Ensure SELinux Not Disabled in /etc/default/grub

    SELinux can be disabled at boot time by an argument in <code>/etc/default/grub</code>. Remove any instances of <code>selinux=0</code> from the kern...
    Rule Medium Severity
    Show

  • Verify Owner on cron.daily

    To properly set the owner of /etc/cron.daily, run the command: 
    $ sudo chown root /etc/cron.daily
    Rule Medium Severity
    Show

  • Verify Owner on cron.deny

    To properly set the owner of /etc/cron.deny, run the command: 
    $ sudo chown root /etc/cron.deny
    Rule Medium Severity
    Show

  • Verify Owner on cron.hourly

    To properly set the owner of /etc/cron.hourly, run the command: 
    $ sudo chown root /etc/cron.hourly
    Rule Medium Severity
    Show

Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

Capacity
Modules