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149 lines
4.9 KiB
149 lines
4.9 KiB
---
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controls:
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version: "k3s-cis-1.7"
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id: 2
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text: "Etcd Node Configuration"
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type: "etcd"
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groups:
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- id: 2
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text: "Etcd Node Configuration"
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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 (Automated)"
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audit: "check_for_k3s_etcd.sh 2.1"
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tests:
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bin_op: and
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test_items:
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- flag: "cert-file"
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env: "ETCD_CERT_FILE"
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set: true
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- flag: "key-file"
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env: "ETCD_KEY_FILE"
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set: true
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remediation: |
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Follow the etcd service documentation and configure TLS encryption.
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Then, edit the etcd pod specification file /etc/kubernetes/manifests/etcd.yaml
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on the master node and set the below parameters.
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--cert-file=</path/to/ca-file>
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--key-file=</path/to/key-file>
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scored: true
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- id: 2.2
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text: "Ensure that the --client-cert-auth argument is set to true (Automated)"
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audit: "check_for_k3s_etcd.sh 2.2"
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tests:
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bin_op: or
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test_items:
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- flag: "--client-cert-auth"
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set: true
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- flag: "client-cert-auth"
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env: "ETCD_CLIENT_CERT_AUTH"
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compare:
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op: eq
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value: true
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set: true
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remediation: |
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Edit the etcd pod specification file $etcdconf on the master
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node and set the below parameter.
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--client-cert-auth="true"
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scored: true
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- id: 2.3
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text: "Ensure that the --auto-tls argument is not set to true (Automated)"
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audit: "check_for_k3s_etcd.sh 2.3"
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tests:
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bin_op: or
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test_items:
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- flag: "--auto-tls"
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env: "ETCD_AUTO_TLS"
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set: false
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- flag: "--auto-tls"
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env: "ETCD_AUTO_TLS"
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compare:
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op: eq
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value: false
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remediation: |
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Edit the etcd pod specification file $etcdconf on the master
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node and either remove the --auto-tls parameter or set it to false.
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--auto-tls=false
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scored: true
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- id: 2.4
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text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Automated)"
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audit: "check_for_k3s_etcd.sh 2.4"
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tests:
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bin_op: and
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test_items:
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- flag: "cert-file"
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env: "ETCD_PEER_CERT_FILE"
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set: true
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- flag: "key-file"
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env: "ETCD_PEER_KEY_FILE"
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set: true
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remediation: |
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Follow the etcd service documentation and configure peer TLS encryption as appropriate
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for your etcd cluster.
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Then, edit the etcd pod specification file $etcdconf on the
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master node and set the below parameters.
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--peer-client-file=</path/to/peer-cert-file>
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--peer-key-file=</path/to/peer-key-file>
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scored: true
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- id: 2.5
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text: "Ensure that the --peer-client-cert-auth argument is set to true (Automated)"
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audit: "check_for_k3s_etcd.sh 2.5"
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tests:
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bin_op: or
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test_items:
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- flag: "--client-cert-auth"
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set: true
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- flag: "client-cert-auth"
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env: "ETCD_PEER_CLIENT_CERT_AUTH"
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compare:
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op: eq
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value: true
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set: true
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remediation: |
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Edit the etcd pod specification file $etcdconf on the master
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node and set the below parameter.
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--peer-client-cert-auth=true
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scored: true
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- id: 2.6
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text: "Ensure that the --peer-auto-tls argument is not set to true (Automated)"
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audit: "check_for_k3s_etcd.sh 2.6"
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tests:
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bin_op: or
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test_items:
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- flag: "--peer-auto-tls"
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env: "ETCD_PEER_AUTO_TLS"
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set: false
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- flag: "--peer-auto-tls"
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env: "ETCD_PEER_AUTO_TLS"
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compare:
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op: eq
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value: false
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set: true
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remediation: |
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Edit the etcd pod specification file $etcdconf on the master
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node and either remove the --peer-auto-tls parameter or set it to false.
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--peer-auto-tls=false
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scored: true
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- id: 2.7
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text: "Ensure that a unique Certificate Authority is used for etcd (Automated)"
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audit: "check_for_k3s_etcd.sh 2.7"
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tests:
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test_items:
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- flag: "trusted-ca-file"
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env: "ETCD_TRUSTED_CA_FILE"
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set: true
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remediation: |
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[Manual test]
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Follow the etcd documentation and create a dedicated certificate authority setup for the
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etcd service.
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Then, edit the etcd pod specification file $etcdconf on the
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master node and set the below parameter.
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--trusted-ca-file=</path/to/ca-file>
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scored: false
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