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Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Enable the Hardware RNG Entropy Gatherer Service

    The Hardware RNG Entropy Gatherer service should be enabled. The <code>rngd</code> service can be enabled with the following command: <pre>$ sudo ...
    Rule Low Severity
    Show

  • Network Routing

    A router is a very desirable target for a potential adversary because they fulfill a variety of infrastructure networking roles such as access to ...
    Group
    Show

  • Disable Quagga if Possible

    If Quagga was installed and activated, but the system does not need to act as a router, then it should be disabled and removed.
    Group
    Show

  • Uninstall quagga Package

    The quagga package can be removed with the following command: 
     $ sudo yum erase quagga
    Rule Low Severity
    Show

  • Disable Quagga Service

    The zebra service can be disabled with the following command: 
    $ sudo systemctl mask --now zebra.service
    Rule Medium Severity
    Show

  • Samba(SMB) Microsoft Windows File Sharing Server

    When properly configured, the Samba service allows Linux systems to provide file and print sharing to Microsoft Windows systems. There are two soft...
    Group
    Show

  • Require Client SMB Packet Signing, if using smbclient

    To require samba clients running <code>smbclient</code> to use packet signing, add the following to the <code>[global]</code> section of the Samba ...
    Rule Unknown Severity
    Show

  • Disable Root Access to SMB Shares

    Administrators should not use administrator accounts to access Samba file and printer shares. Disable the root user and the wheel administrator gro...
    Rule Unknown Severity
    Show

  • Restrict Printer Sharing

    By default, Samba utilizes the CUPS printing service to enable printer sharing with Microsoft Windows workstations. If there are no printers on the...
    Group
    Show

  • Restrict SMB File Sharing to Configured Networks

    Only users with local user accounts will be able to log in to Samba shares by default. Shares can be limited to particular users or network address...
    Group
    Show

  • Disable Samba if Possible

    Even after the Samba server package has been installed, it will remain disabled. Do not enable this service unless it is absolutely necessary to pr...
    Group
    Show

  • Uninstall Samba Package

    The samba package can be removed with the following command: 
     $ sudo yum erase samba
    Rule Unknown Severity
    Show

  • Disable Samba

    The smb service can be disabled with the following command: 
    $ sudo systemctl mask --now smb.service
    Rule Low Severity
    Show

  • SNMP Server

    The Simple Network Management Protocol allows administrators to monitor the state of network devices, including computers. Older versions of SNMP w...
    Group
    Show

  • Disable SNMP Server if Possible

    The system includes an SNMP daemon that allows for its remote monitoring, though it not installed by default. If it was installed and activated but...
    Group
    Show

  • Uninstall net-snmp Package

    The <code>net-snmp</code> package provides the snmpd service. The <code>net-snmp</code> package can be removed with the following command: <pre> $...
    Rule Unknown Severity
    Show

  • Disable snmpd Service

    The snmpd service can be disabled with the following command: 
    $ sudo systemctl mask --now snmpd.service
    Rule Low Severity
    Show

  • Configure SNMP Server if Necessary

    If it is necessary to run the snmpd agent on the system, some best practices should be followed to minimize the security risk from the installation...
    Group
    Show

  • SNMP read-only community string

    Specify the SNMP community string used for read-only access.
    Value
    Show

  • SNMP read-write community string

    Specify the SNMP community string used for read-write access.
    Value
    Show

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