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III - Administrative Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000002-GPOS-00002

    Group
  • AIX must automatically remove or disable temporary user accounts after 72 hours or sooner.

    If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain unauthorized access. To mitigate this risk, automated termination of al...
    Rule Medium Severity
  • SRG-OS-000021-GPOS-00005

    Group
  • AIX must enforce the limit of three consecutive invalid login attempts by a user before the user account is locked and released by an administrator.

    By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking...
    Rule Medium Severity
  • SRG-OS-000027-GPOS-00008

    Group
  • AIX must limit the number of concurrent sessions to 10 for all accounts and/or account types.

    Operating system management includes the ability to control the number of users and user sessions that utilize an operating system. Limiting the number of allowed users and sessions per user is hel...
    Rule Medium Severity
  • SRG-OS-000066-GPOS-00034

    Group
  • If the AIX system is using LDAP for authentication or account information, the LDAP SSL, or TLS connection must require the server provide a certificate and this certificate must have a valid path to a trusted CA.

    Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate not already explicitly trusted.
    Rule Medium Severity
  • SRG-OS-000073-GPOS-00041

    Group
  • If AIX is using LDAP for authentication or account information, the /etc/ldap.conf file (or equivalent) must not contain passwords.

    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

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