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I - Mission Critical Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    Group
  • All AIX shells referenced in passwd file must be listed in /etc/shells file, except any shells specified for the purpose of preventing logins.

    The /etc/shells file lists approved default shells. It helps provide layered defense to the security approach by ensuring users cannot change their default shell to an unauthorized unsecure shell.
    Rule Medium Severity
  • SRG-OS-000033-GPOS-00014

    Group
  • The AIX SSH server must use SSH Protocol 2.

    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-000279-GPOS-00109

    Group
  • AIX must config the SSH idle timeout interval.

    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
  • SRG-OS-000365-GPOS-00152

    Group
  • AIX must disable Kerberos Authentication in ssh config file to enforce access restrictions.

    Without auditing the enforcement of access restrictions against changes to the application configuration, it will be difficult to identify attempted attacks and an audit trail will not be available...
    Rule Medium Severity
  • SRG-OS-000373-GPOS-00158

    Group
  • If GSSAPI authentication is not required on AIX, the SSH daemon must disable GSSAPI authentication.

    GSSAPI authentication is used to provide additional authentication mechanisms to applications. Allowing GSSAPI authentication through SSH exposes the system's GSSAPI to remote hosts, increasing the...
    Rule Medium Severity

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