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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000032-GPOS-00013

    Group
  • All AlmaLinux OS 9 remote access methods must be monitored.

    Remote access services, such as those providing remote access to network devices and information systems, which lack automated monitoring capabilities, increase risk, and make remote user access ma...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 SSH client must be configured to use only encryption ciphers employing FIPS 140-3 validated cryptographic hash algorithms to protect the confidentiality of SSH client connections.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 must implement DOD-approved encryption ciphers to protect the confidentiality of SSH client connections.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 SSH client must be configured to use only Message Authentication Codes (MACs) employing FIPS 140-3 validated cryptographic hash algorithms.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 must implement DOD-approved encryption ciphers to protect the confidentiality of SSH server connections.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 SSH server must be configured to use only FIPS 140-3 validated key exchange algorithms.

    Without cryptographic integrity protections provided by FIPS-validated cryptographic algorithms, information can be viewed and altered by unauthorized users without detection. AlmaLinux OS 9 incor...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 must implement DOD-approved systemwide cryptographic policies to protect the confidentiality of SSH server connections.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 SSH server must be configured to use only Message Authentication Codes (MACs) employing FIPS 140-3 validated cryptographic hash algorithms.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule Medium Severity
  • SRG-OS-000033-GPOS-00014

    Group
  • AlmaLinux OS 9 must force a frequent session key renegotiation for SSH connections to the server.

    Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session. Remote access is access to DOD nonpublic information s...
    Rule Medium Severity
  • SRG-OS-000250-GPOS-00093

    Group
  • AlmaLinux OS 9 must implement DOD-approved TLS encryption in the GnuTLS package.

    Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an auth...
    Rule High Severity

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