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changes.mady.by.user Colin Peters

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changes.mady.by.user Colin Peters

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Fix for CAP_NET_RAW Enabled: Create a PodSecurityPolicy with requiredDropCapabilities: NET_RAW. The policy is shown below. The complete fix is implemented in the Ansible playbook deploy/playbook/init_cluster.yml and configuration files deploy/playbook/k8s/default-psp.yml and deploy/playbook/k8s/system-psp.yml, plus enabling PodSecurityPolicy checking in deploy/playbook/k8s/config.yml.

apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
  name: psp-baseline
spec:
  privileged: true
  allowPrivilegeEscalation: true
  allowedCapabilities:
  - IPC_LOCK
  - NET_ADMIN
  requiredDropCapabilities:
  - NET_RAW
  hostIPC: true
  hostNetwork: true
  hostPID: true
  hostPorts:
  - max: 65535
    min: 0
  readOnlyRootFilesystem: false
  fsGroup:
    rule: 'RunAsAny'
  runAsUser:
    rule: 'RunAsAny'
  seLinux:
    rule: 'RunAsAny'
  supplementalGroups:
    rule: 'RunAsAny'
  volumes:
  - '*'

Results after fixes are shown below:

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