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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000364-GPOS-00151

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  • The Red Hat Enterprise Linux operating system must be configured so that the SSH daemon does not permit Kerberos authentication unless needed.

    Kerberos authentication for SSH is often implemented using Generic Security Service Application Program Interface (GSSAPI). If Kerberos is enabled through SSH, the SSH daemon provides a means of ac...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Red Hat Enterprise Linux operating system must be configured so that the SSH daemon performs strict mode checking of home directory configuration files.

    If other users have access to modify user-specific SSH configuration files, they may be able to log on to the system as another user.
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

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  • The Red Hat Enterprise Linux operating system must be configured so that the SSH daemon uses privilege separation.

    SSH daemon privilege separation causes the SSH process to drop root privileges when not needed, which would decrease the impact of software vulnerabilities in the unprivileged section.
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

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  • The Red Hat Enterprise Linux operating system must be configured so that the SSH daemon does not allow compression or only allows compression after successful authentication.

    If compression is allowed in an SSH connection prior to authentication, vulnerabilities in the compression software could result in compromise of the system from an unauthenticated connection, pote...
    Rule Medium Severity
    Show

  • SRG-OS-000355-GPOS-00143

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  • The Red Hat Enterprise Linux operating system must, for networked systems, synchronize clocks with a server that is synchronized to one of the redundant United States Naval Observatory (USNO) time servers, a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS).

    Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when condu...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

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  • The Red Hat Enterprise Linux operating system must enable an application firewall, if available.

    Firewalls protect computers from network attacks by blocking or limiting access to open network ports. Application firewalls limit which applications are allowed to communicate over the network. S...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Red Hat Enterprise Linux operating system must display the date and time of the last successful account logon upon logon.

    Providing users with feedback on when account accesses last occurred facilitates user recognition and reporting of unauthorized account use.
    Rule Low Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Red Hat Enterprise Linux operating system must not contain .shosts files.

    The .shosts files are used to configure host-based authentication for individual users or the system via SSH. Host-based authentication is not sufficient for preventing unauthorized access to the s...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Red Hat Enterprise Linux operating system must not contain shosts.equiv files.

    The shosts.equiv files are used to configure host-based authentication for the system via SSH. Host-based authentication is not sufficient for preventing unauthorized access to the system, as it do...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

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  • For Red Hat Enterprise Linux operating systems using DNS resolution, at least two name servers must be configured.

    To provide availability for name resolution services, multiple redundant name servers are mandated. A failure in name resolution could lead to the failure of security functions requiring name resol...
    Rule Low Severity
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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.

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