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Guide to the Secure Configuration of Oracle Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SSH client RekeyLimit - size

    Specify the size component of the rekey limit. This limit signifies amount of data. After this amount of data is transferred through the connection, the session key is renegotiated. The number is f...
    Value
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  • SSH client RekeyLimit - time

    Specify the time component of the rekey limit. The session key is renegotiated after the defined amount of time passes. The number is followed by units such as H or M for hours or minutes. Note tha...
    Value
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  • The system-provided crypto policies

    Specify the crypto policy for the system.
    Value
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  • Install crypto-policies package

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

  • Configure BIND to use System Crypto Policy

    Crypto Policies provide a centralized control over crypto algorithms usage of many packages. BIND is supported by crypto policy, but the BIND configuration may be set up to ignore it. To check tha...
    Rule High Severity
    Show

  • Configure Kerberos to use System Crypto Policy

    Crypto Policies provide a centralized control over crypto algorithms usage of many packages. Kerberos is supported by crypto policy, but it's configuration may be set up to ignore it. To check that...
    Rule High Severity
    Show

  • Configure OpenSSL library to use System Crypto Policy

    Crypto Policies provide a centralized control over crypto algorithms usage of many packages. OpenSSL is supported by crypto policy, but the OpenSSL configuration may be set up to ignore it. To chec...
    Rule Medium Severity
    Show

  • Configure SSH to use System Crypto Policy

    Crypto Policies provide a centralized control over crypto algorithms usage of many packages. SSH is supported by crypto policy, but the SSH configuration may be set up to ignore it. To check that C...
    Rule Medium Severity
    Show

  • Harden SSH client Crypto Policy

    Crypto Policies are means of enforcing certain cryptographic settings for selected applications including OpenSSH client. To override the system wide crypto policy for Openssh client, place a file ...
    Rule Medium Severity
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  • Configure SSH Client to Use FIPS 140-2 Validated Ciphers: openssh.config

    Crypto Policies provide a centralized control over crypto algorithms usage of many packages. OpenSSH is supported by system crypto policy, but the OpenSSH configuration may be set up incorrectly. ...
    Rule High Severity
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  • Harden SSHD Crypto Policy

    Crypto Policies are means of enforcing certain cryptographic settings for selected applications including OpenSSH server. The SSHD service is by default configured to modify its configuration based...
    Rule Medium Severity
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  • OpenSSL uses strong entropy source

    By default, OpenSSL doesn't always use a SP800-90A compliant random number generator. A way to configure OpenSSL to always use a strong source is to setup a wrapper that defines a shell function th...
    Rule Medium Severity
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  • Operating System Vendor Support and Certification

    The assurance of a vendor to provide operating system support and maintenance for their product is an important criterion to ensure product stability and security over the life of the product. A ce...
    Group
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  • The Installed Operating System Is FIPS 140-2 Certified

    To enable processing of sensitive information the operating system must provide certified cryptographic modules compliant with FIPS 140-2 standard.
    Rule High Severity
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  • The Installed Operating System Is Vendor Supported

    The installed operating system must be maintained by a vendor. Oracle Linux is supported by Oracle Corporation. As the Oracle Linux vendor, Oracle Corporation is responsible for providing security...
    Rule High Severity
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  • Endpoint Protection Software

    Endpoint protection security software that is not provided or supported by Oracle Corporation can be installed to provide complementary or duplicative security capabilities to those provided by t...
    Group
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  • Configure Backups of User Data

    The operating system must conduct backups of user data contained in the operating system. The operating system provides utilities for automating backups of user data. Commercial and open-source pro...
    Rule Medium Severity
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  • Install Virus Scanning Software

    Virus scanning software can be used to protect a system from penetration from computer viruses and to limit their spread through intermediate systems. The virus scanning software should be configu...
    Rule High Severity
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  • McAfee Endpoint Security Software

    In DoD environments, McAfee Host-based Security System (HBSS) and VirusScan Enterprise for Linux (VSEL) is required to be installed on all systems.
    Group
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  • Install McAfee Virus Scanning Software

    Install McAfee VirusScan Enterprise for Linux antivirus software which is provided for DoD systems and uses signatures to search for the presence of viruses on the filesystem.
    Rule High Severity
    Show

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