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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • The Ubuntu operating system must encrypt all stored passwords with a FIPS 140-2 approved cryptographic hashing algorithm.

    Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily c...
    Rule Medium Severity
  • SRG-OS-000074-GPOS-00042

    Group
  • The Ubuntu operating system must not have the telnet package installed.

    Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily c...
    Rule High Severity
  • SRG-OS-000075-GPOS-00043

    Group
  • The Ubuntu operating system must enforce 24 hours/1 day as the minimum password lifetime. Passwords for new users must have a 24 hours/1 day minimum password lifetime restriction.

    Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually...
    Rule Low Severity

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