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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000032-GPOS-00013

    Group
  • The Ubuntu operating system must monitor remote access methods.

    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 man...
    Rule Medium Severity
  • SRG-OS-000033-GPOS-00014

    Group
  • The Ubuntu operating system must implement DoD-approved encryption to protect the confidentiality of remote access sessions.

    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-000112-GPOS-00057

    Group
  • The Ubuntu operating system must enforce SSHv2 for network access to all accounts.

    A replay attack may enable an unauthorized user to gain access to the operating system. Authentication sessions between the authenticator and the operating system validating the user credentials mu...
    Rule High Severity
  • SRG-OS-000125-GPOS-00065

    Group
  • The Ubuntu operating system must use strong authenticators in establishing nonlocal maintenance and diagnostic sessions.

    Nonlocal maintenance and diagnostic activities are those activities conducted by individuals communicating through a network, either an external network (e.g., the Internet) or an internal network....
    Rule Medium Severity
  • SRG-OS-000126-GPOS-00066

    Group
  • The Ubuntu operating system must immediately terminate all network connections associated with SSH traffic after a period of inactivity.

    Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of network connections that are associated with communications sessions (i....
    Rule Medium Severity

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