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https://github.com/aquasecurity/kube-bench.git
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Update gke-1.0 (#873)
* Create controlplane.yaml * Update and tidy yaml * Update and tidy yaml * Update and tidy yaml
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@ -20,6 +20,7 @@ groups:
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- id: 3.2
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text: "Logging"
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type: skip
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checks:
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- id: 3.2.1
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text: "Ensure that a minimal audit policy is created (Not Scored)"
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@ -7,6 +7,7 @@ type: "etcd"
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groups:
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- id: 2
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text: "Etcd Node Configuration Files"
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type: skip
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checks:
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- id: 2.1
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text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Not Scored)"
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@ -7,6 +7,7 @@ type: "master"
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groups:
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- id: 1.1
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text: "Master Node Configuration Files "
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type: skip
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checks:
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- id: 1.1.1
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text: "Ensure that the API server pod specification file permissions are set to 644 or more restrictive (Not Scored)"
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@ -115,6 +116,7 @@ groups:
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- id: 1.2
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text: "API Server"
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type: skip
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checks:
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- id: 1.2.1
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text: "Ensure that the --anonymous-auth argument is set to false (Not Scored)"
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@ -298,6 +300,7 @@ groups:
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- id: 1.3
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text: "Controller Manager"
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type: skip
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checks:
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- id: 1.3.1
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text: "Ensure that the --terminated-pod-gc-threshold argument is set as appropriate (Not Scored)"
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@ -336,6 +339,7 @@ groups:
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- id: 1.4
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text: "Scheduler"
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type: skip
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checks:
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- id: 1.4.1
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text: "Ensure that the --profiling argument is set to false (Not Scored)"
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@ -10,55 +10,25 @@ groups:
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checks:
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- id: 4.1.1
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text: "Ensure that the kubelet service file permissions are set to 644 or more restrictive (Not Scored)"
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type: skip
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remediation: "This control cannot be modified in GKE."
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scored: false
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- id: 4.1.2
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text: "Ensure that the kubelet service file ownership is set to root:root (Not Scored)"
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type: skip
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remediation: "This control cannot be modified in GKE."
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scored: false
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- id: 4.1.3
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text: "Ensure that the proxy kubeconfig file permissions are set to 644 or more restrictive (Scored)"
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audit: '/bin/sh -c ''if test -e $proxykubeconfig; then stat -c %a $proxykubeconfig; fi'' '
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audit: '/bin/sh -c ''if test -e $proxykubeconfig; then stat -c permissions=%a $proxykubeconfig; fi'' '
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tests:
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test_items:
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- flag: "644"
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- flag: "permissions"
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compare:
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op: eq
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op: bitmask
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value: "644"
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set: true
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- flag: "640"
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compare:
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op: eq
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value: "640"
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set: true
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- flag: "600"
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compare:
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op: eq
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value: "600"
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set: true
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- flag: "444"
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compare:
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op: eq
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value: "444"
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set: true
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- flag: "440"
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compare:
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op: eq
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value: "440"
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set: true
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- flag: "400"
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compare:
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op: eq
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value: "400"
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set: true
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- flag: "000"
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compare:
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op: eq
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value: "000"
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set: true
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bin_op: or
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remediation: |
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Run the below command (based on the file location on your system) on each worker node.
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For example,
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@ -71,7 +41,6 @@ groups:
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tests:
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test_items:
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- flag: root:root
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set: true
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remediation: |
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Run the below command (based on the file location on your system) on each worker node.
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For example, chown root:root $proxykubeconfig
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@ -79,65 +48,38 @@ groups:
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- id: 4.1.5
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text: "Ensure that the kubelet.conf file permissions are set to 644 or more restrictive (Not Scored)"
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type: skip
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remediation: "This control cannot be modified in GKE."
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scored: false
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- id: 4.1.6
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text: "Ensure that the kubelet.conf file ownership is set to root:root (Not Scored)"
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type: skip
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remediation: "This control cannot be modified in GKE."
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scored: false
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- id: 4.1.7
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text: "Ensure that the certificate authorities file permissions are set to 644 or more restrictive (Not Scored)"
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type: skip
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remediation: "This control cannot be modified in GKE."
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scored: false
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- id: 4.1.8
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text: "Ensure that the client certificate authorities file ownership is set to root:root (Not Scored)"
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type: skip
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remediation: "This control cannot be modified in GKE."
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scored: false
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- id: 4.1.9
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text: "Ensure that the kubelet configuration file has permissions set to 644 or more restrictive (Scored)"
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audit: '/bin/sh -c ''if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'' '
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audit: '/bin/sh -c ''if test -e $kubeletconf; then stat -c permissions=%a $kubeletconf; fi'' '
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tests:
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test_items:
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- flag: "644"
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- flag: "permissions"
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set: true
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compare:
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op: eq
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value: "644"
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- flag: "640"
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set: true
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compare:
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op: eq
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value: "640"
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- flag: "600"
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set: true
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compare:
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op: eq
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value: "600"
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- flag: "444"
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compare:
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op: eq
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value: "444"
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set: true
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- flag: "440"
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compare:
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op: eq
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value: "440"
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set: true
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- flag: "400"
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compare:
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op: eq
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value: "400"
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set: true
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- flag: "000"
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compare:
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op: eq
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value: "000"
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set: true
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bin_op: or
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remediation: |
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Run the following command (using the config file location identified in the Audit step)
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chmod 644 $kubeletconf
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@ -149,7 +91,6 @@ groups:
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tests:
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test_items:
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- flag: root:root
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set: true
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remediation: |
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Run the following command (using the config file location identified in the Audit step)
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chown root:root $kubeletconf
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@ -166,7 +107,6 @@ groups:
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test_items:
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- flag: "--anonymous-auth"
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path: '{.authentication.anonymous.enabled}'
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set: true
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compare:
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op: eq
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value: false
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@ -190,7 +130,6 @@ groups:
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test_items:
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- flag: --authorization-mode
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path: '{.authorization.mode}'
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set: true
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compare:
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op: nothave
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value: AlwaysAllow
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@ -234,7 +173,6 @@ groups:
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test_items:
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- flag: "--read-only-port"
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path: '{.readOnlyPort}'
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set: true
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compare:
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op: eq
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value: 0
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@ -257,7 +195,6 @@ groups:
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test_items:
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- flag: --streaming-connection-idle-timeout
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path: '{.streamingConnectionIdleTimeout}'
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set: true
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compare:
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op: noteq
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value: 0
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@ -285,7 +222,6 @@ groups:
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test_items:
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- flag: --protect-kernel-defaults
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path: '{.protectKernelDefaults}'
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set: true
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compare:
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op: eq
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value: true
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@ -308,7 +244,6 @@ groups:
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test_items:
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- flag: --make-iptables-util-chains
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path: '{.makeIPTablesUtilChains}'
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set: true
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compare:
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op: eq
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value: true
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@ -329,9 +264,6 @@ groups:
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- id: 4.2.8
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text: "Ensure that the --hostname-override argument is not set (Scored)"
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# This is one of those properties that can only be set as a command line argument.
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# To check if the property is set as expected, we need to parse the kubelet command
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# instead reading the Kubelet Configuration file.
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audit: "/bin/ps -fC $kubeletbin "
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tests:
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test_items:
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@ -373,13 +305,12 @@ groups:
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audit: "/bin/ps -fC $kubeletbin"
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audit_config: "/bin/cat $kubeletconf"
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tests:
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bin_op: and
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test_items:
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- flag: --tls-cert-file
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path: '{.tlsCertFile}'
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set: true
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- flag: --tls-private-key-file
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path: '{.tlsPrivateKeyFile}'
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set: true
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remediation: |
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If using a Kubelet config file, edit the file to set tlsCertFile to the location
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of the certificate file to use to identify this Kubelet, and tlsPrivateKeyFile
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@ -402,7 +333,6 @@ groups:
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test_items:
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- flag: --rotate-certificates
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path: '{.rotateCertificates}'
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set: true
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compare:
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op: eq
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value: true
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@ -430,7 +360,6 @@ groups:
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test_items:
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- flag: RotateKubeletServerCertificate
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path: '{.featureGates.RotateKubeletServerCertificate}'
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set: true
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compare:
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op: eq
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value: true
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@ -445,5 +374,6 @@ groups:
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- id: 4.2.13
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text: "Ensure that the Kubelet only makes use of Strong Cryptographic Ciphers (Not Scored)"
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type: skip
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remediation: "This control cannot be modified in GKE."
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scored: false
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