--- controls: id: 1 text: "Master Node Security Configuration" type: "master" groups: - id: 1.1 text: "API Server" checks: - id: 1.1.1 text: "Ensure that the --allow-privileged argument is set to false (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "allow-privileged" compare: op: eq value: false set: true remediation: "Edit the $kubeConfDir/config file on the master node and set the KUBE_ALLOW_PRIV parameter to \"--allow-privileged=false\"" scored: true - id: 1.1.2 text: "Ensure that the --anonymous-auth argument is set to false (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--anonymous-auth" compare: op: eq value: false set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--anonymous-auth=false\"" scored: true - id: 1.1.3 text: "Ensure that the --basic-auth-file argument is not set (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--basic-auth-file" set: false remediation: "Follow the documentation and configure alternate mechanisms for authentication. Then, edit the $kubeConfDir/apiserver file on the master node and remove the \"--basic-auth-file=\" argument from the KUBE_API_ARGS parameter." scored: true - id: 1.1.4 text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--insecure-allow-any-token" set: false remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove the --insecure-allow-any-token argument from the KUBE_API_ARGS parameter." scored: true - id: 1.1.5 text: "Ensure that the --kubelet-https argument is set to true (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--kubelet-https" compare: op: eq value: true set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove the --kubelet-https argument from the KUBE_API_ARGS parameter." scored: true - id: 1.1.6 text: "Ensure that the --insecure-bind-address argument is not set (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--insecure-bind-address" set: false remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove the --insecure-bind-address argument from the KUBE_API_ADDRESS parameter." scored: true - id: 1.1.7 text: "Ensure that the --insecure-port argument is set to 0 (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--insecure-port" compare: op: eq value: 0 set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set --insecure-port=0 in the KUBE_API_PORT parameter." scored: true - id: 1.1.8 text: "Ensure that the --secure-port argument is not set to 0 (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: bin_op: or test_items: - flag: "--secure-port" compare: op: gt value: 0 set: true - flag: "--secure-port" set: false remediation: "Edit the $kubeConfDir/apiserver file on the master node and either remove the --secure-port argument from the KUBE_API_ARGS parameter or set it to a different desired port." scored: true - id: 1.1.9 text: "Ensure that the --profiling argument is set to false (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--profiling" compare: op: eq value: false set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--profiling=false\"" scored: true - id: 1.1.10 text: "Ensure that the --repair-malformed-updates argument is set to false (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--repair-malformed-updates" compare: op: eq value: false set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--repair-malformed-updates=false\"" scored: true - id: 1.1.11 text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--admission-control" compare: op: nothave value: AlwaysAdmit set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL parameter to a value that does not include AlwaysAdmit" scored: true - id: 1.1.12 text: "Ensure that the admission control policy is set to AlwaysPullImages (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--admission-control" compare: op: has value: "AlwaysPullImages" set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,AlwaysPullImages,...\"" scored: true - id: 1.1.13 text: "Ensure that the admission control policy is set to DenyEscalatingExec (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--admission-control" compare: op: has value: "DenyEscalatingExec" set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,DenyEscalatingExec,...\"" scored: true - id: 1.1.14 text: "Ensure that the admission control policy is set to SecurityContextDeny (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--admission-control" compare: op: has value: "SecurityContextDeny" set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,SecurityContextDeny,...\"" scored: true - id: 1.1.15 text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "admission-control" compare: op: has value: "NamespaceLifecycle" set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL parameter to \"--admission-control=NamespaceLifecycle,...\"" scored: true - id: 1.1.16 text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--audit-log-path" set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--audit-log-path=\"" scored: true - id: 1.1.17 text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--audit-log-maxage" compare: op: gte value: 30 set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--audit-log-maxage=30\"" scored: true - id: 1.1.18 text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--audit-log-maxbackup" compare: op: gte value: 10 set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--audit-log-maxbackup=10\"" scored: true - id: 1.1.19 text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--audit-log-maxsize" compare: op: gte value: 100 set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--audit-log-maxsize=100\"" scored: true - id: 1.1.20 text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--authorization-mode" compare: op: nothave value: "AlwaysAllow" set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to values other than \"--authorization-mode=AlwaysAllow\"" scored: true - id: 1.1.21 text: "Ensure that the --token-auth-file parameter is not set (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--token-auth-file" set: false remediation: "Follow the documentation and configure alternate mechanisms for authentication. Then, edit the $kubeConfDir/apiserver file on the master node and remove the \"--tokenauth-file=\" argument from the KUBE_API_ARGS parameter." scored: true - id: 1.1.22 text: "Ensure that the --kubelet-certificate-authority argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--kubelet-certificate-authority" set: true remediation: "Follow the Kubernetes documentation and setup the TLS connection between the apiserver and kubelets. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--kubelet-certificate-authority=\"" scored: true - id: 1.1.23 text: "Ensure that the --kubelet-client-certificate and --kubelet-clientkey arguments are set as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: bin_op: and test_items: - flag: "--kubelet-client-certificate" set: true - flag: "--kubelet-client-key" set: true remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver and kubelets. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--kubelet-clientcertificate=\" and \"--kubelet-clientkey=\"" scored: true - id: 1.1.24 text: "Ensure that the --service-account-lookup argument is set to true (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--service-account-lookup" compare: op: eq value: true set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--service-account-lookup=true\"" scored: true - id: 1.1.25 text: "Ensure that the admission control policy is set to PodSecurityPolicy (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--admission-control" compare: op: has value: "PodSecurityPolicy" set: true remediation: "Follow the documentation and create Pod Security Policy objects as per your environment. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,PodSecurityPolicy,...\"" scored: true - id: 1.1.26 text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--service-account-key-file" set: true remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to \"--service-account-key-file=\"" scored: true - id: 1.1.27 text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: bin_op: and test_items: - flag: "--etcd-certfile" set: true - flag: "--etcd-keyfile" set: true remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver and etcd. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to include \"--etcd-certfile=\" and \"--etcd-keyfile=\"" scored: true - id: 1.1.28 text: "Ensure that the admission control policy is set to ServiceAccount (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--admission-control" compare: op: has value: "ServiceAccount" set: true remediation: "Follow the documentation and create ServiceAccount objects as per your environment. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL parameter to \"--admissioncontrol=...,ServiceAccount,...\"" scored: true - id: 1.1.29 text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: bin_op: and test_items: - flag: "--tls-cert-file" set: true - flag: "--tls-private-key-file" set: true remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to include \"--tls-cert-file=\" and \"--tls-private-key-file=\"" scored: true - id: 1.1.30 text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--client-ca-file" set: true remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to include \"--client-ca-file=\"" scored: true - id: 1.1.31 text: "Ensure that the --etcd-cafile argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-apiserver | grep -v grep" tests: test_items: - flag: "--etcd-cafile" set: true remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver and etcd. Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to include \"--etcd-cafile=\"" scored: true - id: 1.2 text: "Scheduler" checks: - id: 1.2.1 text: "Ensure that the --profiling argument is set to false (Scored)" audit: "ps -ef | grep kube-scheduler | grep -v grep" tests: test_items: - flag: "--profiling" compare: op: eq value: false set: true remediation: "Edit the $kubeConfDir/scheduler file on the master node and set the KUBE_SCHEDULER_ARGS parameter to \"--profiling=false\"" scored: true - id: 1.3 text: "Controller Manager" checks: - id: 1.3.1 text: "Ensure that the --terminated-pod-gc-threshold argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-controller-manager | grep -v grep" tests: test_items: - flag: "--terminated-pod-gc-threshold" set: true remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--terminated-pod-gcthreshold=\"" scored: true - id: 1.3.2 text: "Ensure that the --profiling argument is set to false (Scored)" audit: "ps -ef | grep kube-controller-manager | grep -v grep" tests: test_items: - flag: "--profiling" compare: op: eq value: false set: true remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--profiling=false\"" scored: true - id: 1.3.3 text: "Ensure that the --insecure-experimental-approve-all-kubelet-csrs-for-group argument is not set (Scored)" audit: "ps -ef | grep kube-controller-manager | grep -v grep" tests: test_items: - flag: "--insecure-experimental-approve-all-kubelet-csrs-for-group" set: false remediation: "Edit the $kubeConfDir/controller-manager file on the master node and remove the -insecure-experimental-approve-all-kubelet-csrs-for-group argument from the KUBE_CONTROLLER_MANAGER_ARGS parameter" scored: true - id: 1.3.4 text: "Ensure that the --use-service-account-credentials argument is set" audit: "ps -ef | grep kube-controller-manager | grep -v grep" tests: test_items: - flag: "--use-service-account-credentials" compare: op: eq value: true set: true remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the KUBE_CONTROLLER_MANAGER_ARGS parameter to --use-service-account-credentials=true" scored: true - id: 1.3.5 text: "Ensure that the --service-account-private-key-file argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-controller-manager | grep -v grep" tests: test_items: - flag: "--service-account-private-key-file" set: true remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the KUBE_CONTROLLER_MANAGER_ARGS parameter to --service-account-private-keyfile=" scored: true - id: 1.3.6 text: "Ensure that the --root-ca-file argument is set as appropriate (Scored)" audit: "ps -ef | grep kube-controller-manager | grep -v grep" tests: test_items: - flag: "--root-ca-file" set: true remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the KUBE_CONTROLLER_MANAGER_ARGS parameter to include --root-ca-file=" scored: true - id: 1.4 text: "Configure Files" checks: - id: 1.4.1 text: "Ensure that the apiserver file permissions are set to 644 or more restrictive (Scored)" audit: "stat -c %a $kubeConfDir/apiserver" tests: test_items: - flag: "644" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chmod 644 $kubeConfDir/apiserver" scored: true - id: 1.4.2 text: "Ensure that the apiserver file ownership is set to root:root (Scored)" audit: "stat -c %U:%G $kubeConfDir/apiserver" tests: test_items: - flag: "root:root" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chown root:root $kubeConfDir/apiserver" scored: true - id: 1.4.3 text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)" audit: "stat -c %a $kubeConfDir/config" tests: test_items: - flag: "644" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chmod 644 $kubeConfDir/config" scored: true - id: 1.4.4 text: "Ensure that the config file ownership is set to root:root (Scored)" audit: "stat -c %U:%G $kubeConfDir/config" tests: test_items: - flag: "root:root" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chown root:root $kubeConfDir/config" scored: true - id: 1.4.5 text: "Ensure that the scheduler file permissions are set to 644 or more restrictive (Scored)" audit: "stat -c %a $kubeConfDir/scheduler" tests: test_items: - flag: "644" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chmod 644 $kubeConfDir/scheduler" scored: true - id: 1.4.6 text: "Ensure that the scheduler file ownership is set to root:root (Scored)" audit: "stat -c %U:%G $kubeConfDir/scheduler" tests: test_items: - flag: "root:root" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chown root:root $kubeConfDir/scheduler" scored: true - id: 1.4.7 text: "Ensure that the etcd.conf file permissions are set to 644 or more restrictive (Scored)" audit: "stat -c %a $etcdConfDir/etcd.conf" tests: test_items: - flag: "644" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chmod 644 $etcdConfDir/etcd.conf" scored: true - id: 1.4.8 text: "Ensure that the etcd.conf file ownership is set to root:root (Scored)" audit: "stat -c %U:%G $etcdConfDir/etcd.conf" tests: test_items: - flag: "root:root" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chown root:root $etcdConfDir/etcd.conf" scored: true - id: 1.4.9 text: "Ensure that the flanneld file permissions are set to 644 or more restrictive (Scored)" audit: "stat -c %a /etc/sysconfig/flanneld" tests: test_items: - flag: "644" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chmod 644 /etc/sysconfig/flanneld" scored: true - id: 1.4.10 text: "Ensure that the flanneld file ownership is set to root:root (Scored)" audit: "stat -c %U:%G /etc/sysconfig/flanneld" tests: test_items: - flag: "root:root" set: true remediation: "Run the below command (based on the file location on your system) on the master node. \nFor example, chown root:root /etc/sysconfig/flanneld" scored: true # TODO: Resolve issue get pipeline to work. # - id: 1.4.11 # - text: "Ensure that the etcd data directory permissions are set to 700 or more restrictive (Scored)" # - audit: "ps -ef | grep etcd | grep -v grep | sed 's,.*--data-dir=\\(.*\\)\\s.*,\\1,' | xargs stat -c %a" # - tests: # - test_items: # - - flag: "700" # - set: true # - remediation: "" # - scored: true - id: 1.5 text: "etcd" checks: - id: 1.5.1 text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: test_items: - flag: "--cert-file" set: true - flag: "--key-file" set: true remediation: "Follow the etcd service documentation and configure TLS encryption." scored: true - id: 1.5.2 text: "Ensure that the --client-cert-auth argument is set to true (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: test_items: - flag: "--client-cert-auth" compare: op: eq value: true set: true remediation: "Edit the etcd envrironment file (for example, $etcdConfDir/etcd.conf) on the etcd server node and set the ETCD_CLIENT_CERT_AUTH parameter to \"true\". Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for --clientcert-auth and set it to \"${ETCD_CLIENT_CERT_AUTH}\"" scored: true - id: 1.5.3 text: "Ensure that the --auto-tls argument is not set to true (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: bin_op: or test_items: - flag: "--auto-tls" set: false - flag: "--auto-tls" compare: op: neq value: true remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node and comment out the ETCD_AUTO_TLS parameter. Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and remove the startup parameter for --auto-tls." scored: true - id: 1.5.4 text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: test_items: - flag: "--peer-cert-file" set: true - flag: "--peer-key-file" set: true remediation: "Note: This recommendation is applicable only for etcd clusters. If you are using only one etcd server in your environment then this recommendation is not applicable. Follow the etcd service documentation and configure peer TLS encryption as appropriate for your etcd cluster." scored: true - id: 1.5.5 text: "Ensure that the --peer-client-cert-auth argument is set to true (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: test_items: - flag: "--peer-client-cert-auth" compare: op: eq value: true set: true remediation: "Note: This recommendation is applicable only for etcd clusters. If you are using only one etcd server in your environment then this recommendation is not applicable. Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node and set the ETCD_PEER_CLIENT_CERT_AUTH parameter to \"true\". Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for --peer-client-cert-auth and set it to \"${ETCD_PEER_CLIENT_CERT_AUTH}\"" scored: true - id: 1.5.6 text: "Ensure that the --peer-auto-tls argument is not set to true (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: bin_op: or test_items: - flag: "--peer-auto-tls" set: false - flag: "--peer-auto-tls" compare: op: eq value: false set: true remediation: "Note: This recommendation is applicable only for etcd clusters. If you are using only one etcd server in your environment then this recommendation is not applicable. Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node and comment out the ETCD_PEER_AUTO_TLS parameter. Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and remove the startup parameter for --peer-auto-tls." scored: true - id: 1.5.7 text: "Ensure that the --wal-dir argument is set as appropriate (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: test_items: - flag: "--wal-dir" set: true remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node and set the ETCD_WAL_DIR parameter as appropriate. Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for --wal-dir and set it to \"${ETCD_WAL_DIR}\"" scored: true - id: 1.5.8 text: "Ensure that the --max-wals argument is set to 0 (Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: test_items: - flag: "--max-wals" compare: op: eq value: 0 set: true remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node and set the ETCD_MAX_WALS parameter to 0. Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for --max-wals and set it to \"${ETCD_MAX_WALS}\"." scored: true - id: 1.5.9 text: "Ensure that a unique Certificate Authority is used for etcd (Not Scored)" audit: "ps -ef | grep etcd | grep -v grep" tests: test_items: - flag: "--trusted-ca-file" set: true remediation: "Follow the etcd documentation and create a dedicated certificate authority setup for the etcd service." scored: false