A few corrections to node tests. (#2)

* Add a few corrections.

* Add a few corrections to node test file.
pull/163/head
Abubakr-Sadik Nii Nai Davis 6 years ago committed by Benji Visser
parent 934b4aef96
commit b1369832bc

@ -38,8 +38,11 @@ groups:
value: false
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
If using a Kubelet config file, edit the file to set authentication: anonymous: enabled to
false .
If using executable arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--anonymous-auth=false
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -57,8 +60,10 @@ groups:
value: "AlwaysAllow"
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_AUTHZ_ARGS variable.
If using a Kubelet config file, edit the file to set authorization: mode to Webhook.
If using executable arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameter in KUBELET_AUTHZ_ARGS variable.
--authorization-mode=Webhook
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -73,8 +78,11 @@ groups:
- flag: "--client-ca-file"
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_AUTHZ_ARGS variable.
If using a Kubelet config file, edit the file to set authentication: x509: clientCAFile to
the location of the client CA file.
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameter in KUBELET_AUTHZ_ARGS variable.
--client-ca-file=<path/to/client-ca-file>
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -92,8 +100,10 @@ groups:
value: 0
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
If using a Kubelet config file, edit the file to set readOnlyPort to 0 .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--read-only-port=0
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -111,8 +121,11 @@ groups:
value: 0
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
If using a Kubelet config file, edit the file to set streamingConnectionIdleTimeout to a
value other than 0.
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--streaming-connection-idle-timeout=5m
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -130,8 +143,10 @@ groups:
value: true
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
If using a Kubelet config file, edit the file to set protectKernelDefaults: true .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--protect-kernel-defaults=true
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -150,8 +165,10 @@ groups:
value: true
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and remove the --make-iptables-util-chains argument from the
If using a Kubelet config file, edit the file to set makeIPTablesUtilChains: true .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
remove the --make-iptables-util-chains argument from the
KUBELET_SYSTEM_PODS_ARGS variable.
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -185,8 +202,10 @@ groups:
value: 0
set: true
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
If using a Kubelet config file, edit the file to set eventRecordQPS: 0 .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--event-qps=0
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -197,19 +216,21 @@ groups:
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep $kubeletbin | 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 Kubelet.
Then edit the kubelet service file /etc/systemd/system/kubelet.service.d/10-
kubeadm.conf on each worker node and set the below parameters in
KUBELET_CERTIFICATE_ARGS variable.
If using a Kubelet config file, edit the file to set tlsCertFile to the location of the certificate
file to use to identify this Kubelet, and tlsPrivateKeyFile to the location of the
corresponding private key file.
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
set the below parameters in KUBELET_CERTIFICATE_ARGS variable.
--tls-cert-file=<path/to/tls-certificate-file>
file=<path/to/tls-key-file>
--tls-private-key-
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
systemctl restart kubelet.service
@ -219,12 +240,15 @@ groups:
text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
bin_op: or
test_items:
- flag: "--cadvisor-port"
compare:
op: eq
value: 0
set: true
- flag: "--cadvisor-port"
set: false
remediation: |
Edit the kubelet service file $kubeletconf
on each worker node and set the below parameter in KUBELET_CADVISOR_ARGS variable.
@ -246,9 +270,11 @@ groups:
set: true
remediation: |
If using a Kubelet config file, edit the file to add the line rotateCertificates: true.
If using command line arguments, edit the kubelet service file /etc/systemd/system/kubelet.service.d/10-kubeadm.conf on each worker node and add --rotate-certificates=true argument to the KUBELET_CERTIFICATE_ARGS variable. Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
systemctl restart kubelet.service
If using command line arguments, edit the kubelet service file $kubeletconf
on each worker node and add --rotate-certificates=true argument to the KUBELET_CERTIFICATE_ARGS variable.
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
systemctl restart kubelet.service
scored: true
- id: 2.1.14
@ -282,7 +308,7 @@ groups:
set: true
remediation: |
If using a Kubelet config file, edit the file to set TLSCipherSuites: to TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 ,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
If using executable arguments, edit the kubelet service file /etc/systemd/system/kubelet.service.d/10-kubeadm.conf on each worker node and set the below parameter.
If using executable arguments, edit the kubelet service file $kubeletconf on each worker node and set the below parameter.
--tls-cipher- suites=TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM _SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM _SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM _SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
scored: false

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