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Guide to the Secure Configuration of Red Hat Enterprise Linux 10

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure System is Not Acting as a Network Sniffer

    The system should not be acting as a network sniffer, which can capture all traffic on the network to which it is connected. Run the following to d...
    Rule Medium Severity
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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
    Show

  • 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 dnf install firewalld
    Rule Medium Severity
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  • Verify firewalld Enabled

    The firewalld service can be enabled with the following command: 
    $ sudo systemctl enable firewalld.service
    Rule Medium Severity
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  • Verify Permissions On /etc/ipsec.d Directory

    To properly set the permissions of /etc/ipsec.d, run the command: 
    $ sudo chmod 0700 /etc/ipsec.d
    Rule Medium Severity
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  • Configure the Firewalld Ports

    Configure the <code>firewalld</code> ports to allow approved services to have access to the system. To configure <code>firewalld</code> to open por...
    Rule Medium Severity
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  • Firewalld Must Employ a Deny-all, Allow-by-exception Policy for Allowing Connections to Other Systems

    Red Hat Enterprise Linux 10 incorporates the "firewalld" daemon, which allows for many different configurations. One of these configurations is zon...
    Rule Medium Severity
    Show

  • Configure Firewalld to Restrict Loopback Traffic

    Configure <code>firewalld</code> to restrict loopback traffic to the <code>lo</code> interface. The loopback traffic must be trusted by assigning ...
    Rule Medium Severity
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  • Configure Firewalld to Trust Loopback Traffic

    Assign loopback interface to the <code>firewalld</code> <code>trusted</code> zone in order to explicitly allow the loopback traffic in the...
    Rule Medium Severity
    Show

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