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合规性运算符允许OpenShift Container Platform管理员描述集群所需的合规性状态,并为他们提供差距概述以及弥补差距的方法。合规性运算符评估OpenShift Container Platform的Kubernetes API资源以及运行集群的节点的合规性。合规性运算符使用OpenSCAP(一种NIST认证的工具)来扫描和执行内容提供的安全策略。

合规性运算符仅适用于Red Hat Enterprise Linux CoreOS (RHCOS) 部署。

合规性运算符配置文件

合规性运算符安装包含多个可用的配置文件。可以使用oc get命令查看可用的配置文件、配置文件详细信息和特定规则。

  • 查看可用的配置文件

    $ oc get profile.compliance -n openshift-compliance
    示例输出
    NAME                       AGE     VERSION
    ocp4-cis                   3h49m   1.5.0
    ocp4-cis-1-4               3h49m   1.4.0
    ocp4-cis-1-5               3h49m   1.5.0
    ocp4-cis-node              3h49m   1.5.0
    ocp4-cis-node-1-4          3h49m   1.4.0
    ocp4-cis-node-1-5          3h49m   1.5.0
    ocp4-e8                    3h49m
    ocp4-high                  3h49m   Revision 4
    ocp4-high-node             3h49m   Revision 4
    ocp4-high-node-rev-4       3h49m   Revision 4
    ocp4-high-rev-4            3h49m   Revision 4
    ocp4-moderate              3h49m   Revision 4
    ocp4-moderate-node         3h49m   Revision 4
    ocp4-moderate-node-rev-4   3h49m   Revision 4
    ocp4-moderate-rev-4        3h49m   Revision 4
    ocp4-nerc-cip              3h49m
    ocp4-nerc-cip-node         3h49m
    ocp4-pci-dss               3h49m   3.2.1
    ocp4-pci-dss-3-2           3h49m   3.2.1
    ocp4-pci-dss-4-0           3h49m   4.0.0
    ocp4-pci-dss-node          3h49m   3.2.1
    ocp4-pci-dss-node-3-2      3h49m   3.2.1
    ocp4-pci-dss-node-4-0      3h49m   4.0.0
    ocp4-stig                  3h49m   V2R1
    ocp4-stig-node             3h49m   V2R1
    ocp4-stig-node-v1r1        3h49m   V1R1
    ocp4-stig-node-v2r1        3h49m   V2R1
    ocp4-stig-v1r1             3h49m   V1R1
    ocp4-stig-v2r1             3h49m   V2R1
    rhcos4-e8                  3h49m
    rhcos4-high                3h49m   Revision 4
    rhcos4-high-rev-4          3h49m   Revision 4
    rhcos4-moderate            3h49m   Revision 4
    rhcos4-moderate-rev-4      3h49m   Revision 4
    rhcos4-nerc-cip            3h49m
    rhcos4-stig                3h49m   V2R1
    rhcos4-stig-v1r1           3h49m   V1R1
    rhcos4-stig-v2r1           3h49m   V2R1

    这些配置文件代表不同的合规性基准。每个配置文件都将适用的产品名称作为前缀添加到配置文件的名称中。ocp4-e8将Essential 8基准应用于OpenShift Container Platform产品,而rhcos4-e8将Essential 8基准应用于Red Hat Enterprise Linux CoreOS (RHCOS)产品。

  • 运行以下命令以查看rhcos4-e8配置文件的详细信息

    $ oc get -n openshift-compliance -oyaml profiles.compliance rhcos4-e8
    示例输出
    apiVersion: compliance.openshift.io/v1alpha1
    description: 'This profile contains configuration checks for Red Hat Enterprise Linux
      CoreOS that align to the Australian Cyber Security Centre (ACSC) Essential Eight.
      A copy of the Essential Eight in Linux Environments guide can be found at the ACSC
      website: https://www.cyber.gov.au/acsc/view-all-content/publications/hardening-linux-workstations-and-servers'
    id: xccdf_org.ssgproject.content_profile_e8
    kind: Profile
    metadata:
      annotations:
        compliance.openshift.io/image-digest: pb-rhcos4hrdkm
        compliance.openshift.io/product: redhat_enterprise_linux_coreos_4
        compliance.openshift.io/product-type: Node
      creationTimestamp: "2022-10-19T12:06:49Z"
      generation: 1
      labels:
        compliance.openshift.io/profile-bundle: rhcos4
      name: rhcos4-e8
      namespace: openshift-compliance
      ownerReferences:
      - apiVersion: compliance.openshift.io/v1alpha1
        blockOwnerDeletion: true
        controller: true
        kind: ProfileBundle
        name: rhcos4
        uid: 22350850-af4a-4f5c-9a42-5e7b68b82d7d
      resourceVersion: "43699"
      uid: 86353f70-28f7-40b4-bf0e-6289ec33675b
    rules:
    - rhcos4-accounts-no-uid-except-zero
    - rhcos4-audit-rules-dac-modification-chmod
    - rhcos4-audit-rules-dac-modification-chown
    - rhcos4-audit-rules-execution-chcon
    - rhcos4-audit-rules-execution-restorecon
    - rhcos4-audit-rules-execution-semanage
    - rhcos4-audit-rules-execution-setfiles
    - rhcos4-audit-rules-execution-setsebool
    - rhcos4-audit-rules-execution-seunshare
    - rhcos4-audit-rules-kernel-module-loading-delete
    - rhcos4-audit-rules-kernel-module-loading-finit
    - rhcos4-audit-rules-kernel-module-loading-init
    - rhcos4-audit-rules-login-events
    - rhcos4-audit-rules-login-events-faillock
    - rhcos4-audit-rules-login-events-lastlog
    - rhcos4-audit-rules-login-events-tallylog
    - rhcos4-audit-rules-networkconfig-modification
    - rhcos4-audit-rules-sysadmin-actions
    - rhcos4-audit-rules-time-adjtimex
    - rhcos4-audit-rules-time-clock-settime
    - rhcos4-audit-rules-time-settimeofday
    - rhcos4-audit-rules-time-stime
    - rhcos4-audit-rules-time-watch-localtime
    - rhcos4-audit-rules-usergroup-modification
    - rhcos4-auditd-data-retention-flush
    - rhcos4-auditd-freq
    - rhcos4-auditd-local-events
    - rhcos4-auditd-log-format
    - rhcos4-auditd-name-format
    - rhcos4-auditd-write-logs
    - rhcos4-configure-crypto-policy
    - rhcos4-configure-ssh-crypto-policy
    - rhcos4-no-empty-passwords
    - rhcos4-selinux-policytype
    - rhcos4-selinux-state
    - rhcos4-service-auditd-enabled
    - rhcos4-sshd-disable-empty-passwords
    - rhcos4-sshd-disable-gssapi-auth
    - rhcos4-sshd-disable-rhosts
    - rhcos4-sshd-disable-root-login
    - rhcos4-sshd-disable-user-known-hosts
    - rhcos4-sshd-do-not-permit-user-env
    - rhcos4-sshd-enable-strictmodes
    - rhcos4-sshd-print-last-log
    - rhcos4-sshd-set-loglevel-info
    - rhcos4-sysctl-kernel-dmesg-restrict
    - rhcos4-sysctl-kernel-kptr-restrict
    - rhcos4-sysctl-kernel-randomize-va-space
    - rhcos4-sysctl-kernel-unprivileged-bpf-disabled
    - rhcos4-sysctl-kernel-yama-ptrace-scope
    - rhcos4-sysctl-net-core-bpf-jit-harden
    title: Australian Cyber Security Centre (ACSC) Essential Eight
  • 运行以下命令以查看rhcos4-audit-rules-login-events规则的详细信息

    $ oc get -n openshift-compliance -oyaml rules rhcos4-audit-rules-login-events
    示例输出
    apiVersion: compliance.openshift.io/v1alpha1
    checkType: Node
    description: |-
      The audit system already collects login information for all users and root. If the auditd daemon is configured to use the augenrules program to read audit rules during daemon startup (the default), add the following lines to a file with suffix.rules in the directory /etc/audit/rules.d in order to watch for attempted manual edits of files involved in storing logon events:
    
      -w /var/log/tallylog -p wa -k logins
      -w /var/run/faillock -p wa -k logins
      -w /var/log/lastlog -p wa -k logins
    
      If the auditd daemon is configured to use the auditctl utility to read audit rules during daemon startup, add the following lines to /etc/audit/audit.rules file in order to watch for unattempted manual edits of files involved in storing logon events:
    
      -w /var/log/tallylog -p wa -k logins
      -w /var/run/faillock -p wa -k logins
      -w /var/log/lastlog -p wa -k logins
    id: xccdf_org.ssgproject.content_rule_audit_rules_login_events
    kind: Rule
    metadata:
      annotations:
        compliance.openshift.io/image-digest: pb-rhcos4hrdkm
        compliance.openshift.io/rule: audit-rules-login-events
        control.compliance.openshift.io/NIST-800-53: AU-2(d);AU-12(c);AC-6(9);CM-6(a)
        control.compliance.openshift.io/PCI-DSS: Req-10.2.3
        policies.open-cluster-management.io/controls: AU-2(d),AU-12(c),AC-6(9),CM-6(a),Req-10.2.3
        policies.open-cluster-management.io/standards: NIST-800-53,PCI-DSS
      creationTimestamp: "2022-10-19T12:07:08Z"
      generation: 1
      labels:
        compliance.openshift.io/profile-bundle: rhcos4
      name: rhcos4-audit-rules-login-events
      namespace: openshift-compliance
      ownerReferences:
      - apiVersion: compliance.openshift.io/v1alpha1
        blockOwnerDeletion: true
        controller: true
        kind: ProfileBundle
        name: rhcos4
        uid: 22350850-af4a-4f5c-9a42-5e7b68b82d7d
      resourceVersion: "44819"
      uid: 75872f1f-3c93-40ca-a69d-44e5438824a4
    rationale: Manual editing of these files may indicate nefarious activity, such as
      an attacker attempting to remove evidence of an intrusion.
    severity: medium
    title: Record Attempts to Alter Logon and Logout Events
    warning: Manual editing of these files may indicate nefarious activity, such as an
      attacker attempting to remove evidence of an intrusion.

合规性运算符配置文件类型

有两种类型的合规性配置文件可用:平台和节点。

平台

平台扫描目标是您的OpenShift Container Platform集群。

节点

节点扫描目标是集群的节点。

对于具有节点和平台应用程序的合规性配置文件(例如pci-dss合规性配置文件),必须在OpenShift Container Platform环境中同时运行两者。