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Guide to the Secure Configuration of Red Hat OpenShift Container Platform 4

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Group Who Owns The Kubernetes Scheduler Kubeconfig File

    To properly set the group owner of <code>/etc/kubernetes/static-pod-resources/kube-scheduler-pod-*/configmaps/scheduler-kubeconfig/kubeconfig</code>, run the command: <pre>$ sudo chgrp root /etc/k...
    Rule Medium Severity
    Show

  • Verify User Who Owns The OpenShift Container Network Interface Files

    To properly set the owner of /etc/cni/net.d/*, run the command: 
    $ sudo chown root /etc/cni/net.d/*
    Rule Medium Severity
    Show

  • Verify User Who Owns The OpenShift Controller Manager Kubeconfig File

    To properly set the owner of <code>/etc/kubernetes/static-pod-resources/kube-controller-manager-pod-*/configmaps/controller-manager-kubeconfig/kubeconfig</code>, run the command: <pre>$ sudo chown...
    Rule Medium Severity
    Show

  • Verify User Who Owns The Etcd Database Directory

    To properly set the owner of /var/lib/etcd/member/, run the command: 
    $ sudo chown root /var/lib/etcd/member/
    Rule Medium Severity
    Show

  • Verify User Who Owns The Etcd Write-Ahead-Log Files

    To properly set the owner of /var/lib/etcd/member/wal/*, run the command: 
    $ sudo chown root /var/lib/etcd/member/wal/*
    Rule Medium Severity
    Show

  • Verify User Who Owns The Kubernetes API Server Pod Specification File

    To properly set the owner of <code>/etc/kubernetes/static-pod-resources/kube-apiserver-pod-*/kube-apiserver-pod.yaml</code>, run the command: <pre>$ sudo chown root /etc/kubernetes/static-pod-reso...
    Rule Medium Severity
    Show

  • Verify User Who Owns The Kubernetes Controller Manager Pod Specification File

    To properly set the owner of <code>/etc/kubernetes/static-pod-resources/kube-controller-manager-pod-*/kube-controller-manager-pod.yaml</code>, run the command: <pre>$ sudo chown root /etc/kubernet...
    Rule Medium Severity
    Show

  • Verify User Who Owns The Kubernetes Scheduler Pod Specification File

    To properly set the owner of <code>/etc/kubernetes/static-pod-resources/kube-scheduler-pod-*/kube-scheduler-pod.yaml</code>, run the command: <pre>$ sudo chown root /etc/kubernetes/static-pod-reso...
    Rule Medium Severity
    Show

  • Verify User Who Owns The OpenShift Admin Kubeconfig File

    To properly set the owner of /etc/kubernetes/kubeconfig, run the command: 
    $ sudo chown root /etc/kubernetes/kubeconfig
    Rule Medium Severity
    Show

  • Verify User Who Owns The OpenShift Multus Container Network Interface Plugin Files

    To properly set the owner of /var/run/multus/cni/net.d/*, run the command: 
    $ sudo chown root /var/run/multus/cni/net.d/*
    Rule Medium Severity
    Show

  • Verify User Who Owns The OpenShift PKI Certificate Files

    To properly set the owner of /etc/kubernetes/static-pod-resources/*/*/*/tls.crt, run the command: 
    $ sudo chown root /etc/kubernetes/static-pod-resources/*/*/*/tls.crt
    Rule Medium Severity
    Show

  • Verify User Who Owns The OpenShift Open vSwitch Files

    To properly set the owner of /etc/openvswitch/.*, run the command: 
    $ sudo chown root /etc/openvswitch/.*
    Rule Medium Severity
    Show

  • Verify User Who Owns The OVNKubernetes Socket

    To properly set the owner of /run/ovn-kubernetes/cni/ovn-cni-server.sock, run the command: 
    $ sudo chown root /run/ovn-kubernetes/cni/ovn-cni-server.sock
    Rule Medium Severity
    Show

  • Verify Who Owns The OVNKubernetes DB files

    To properly set the owner of /var/lib/ovn/etc/*.db, run the command: 
    $ sudo chown root /var/lib/ovn/etc/*.db
    Rule Medium Severity
    Show

  • Verify User Who Owns The Open vSwitch Configuration Database

    To properly set the owner of /etc/openvswitch/conf.db, run the command: 
    $ sudo chown openvswitch /etc/openvswitch/conf.db
    Rule Medium Severity
    Show

  • Verify User Who Owns The Open vSwitch Configuration Database Lock

    To properly set the owner of /etc/openvswitch/.conf.db.~lock~, run the command: 
    $ sudo chown openvswitch /etc/openvswitch/.conf.db.~lock~
    Rule Medium Severity
    Show

  • Verify User Who Owns The Open vSwitch Process ID File

    To properly set the owner of /var/run/openvswitch/ovs-vswitchd.pid, run the command: 
    $ sudo chown openvswitch /var/run/openvswitch/ovs-vswitchd.pid
    Rule Medium Severity
    Show

  • Verify User Who Owns The Open vSwitch Persistent System ID

    To properly set the owner of /etc/openvswitch/system-id.conf, run the command: 
    $ sudo chown openvswitch /etc/openvswitch/system-id.conf
    Rule Medium Severity
    Show

  • Verify User Who Owns The Open vSwitch Daemon PID File

    To properly set the owner of /run/openvswitch/ovs-vswitchd.pid, run the command: 
    $ sudo chown openvswitch /run/openvswitch/ovs-vswitchd.pid
    Rule Medium Severity
    Show

  • Verify User Who Owns The Open vSwitch Database Server PID

    To properly set the owner of /run/openvswitch/ovsdb-server.pid, run the command: 
    $ sudo chown openvswitch /run/openvswitch/ovsdb-server.pid
    Rule Medium Severity
    Show

  • Verify User Who Owns The OpenShift etcd Data Directory

    To properly set the owner of /var/lib/etcd, run the command: 
    $ sudo chown root /var/lib/etcd
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift Container Network Interface Files

    To properly set the permissions of /etc/cni/net.d/*, run the command: 
    $ sudo chmod 0600 /etc/cni/net.d/*
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift Controller Manager Kubeconfig File

    To properly set the permissions of <code>/etc/kubernetes/static-pod-resources/kube-controller-manager-pod-*/configmaps/controller-manager-kubeconfig/kubeconfig</code>, run the command: <pre>$ sudo...
    Rule Medium Severity
    Show

  • Verify Permissions on the Etcd Database Directory

    To properly set the permissions of /var/lib/etcd, run the command: 
    $ sudo chmod 0700 /var/lib/etcd
    Rule Medium Severity
    Show

  • Verify Permissions on the Etcd Write-Ahead-Log Files

    To properly set the permissions of /var/lib/etcd/member/wal/*, run the command: 
    $ sudo chmod 0600 /var/lib/etcd/member/wal/*
    Rule Medium Severity
    Show

  • Verify Permissions on the Etcd PKI Certificate Files

    To properly set the permissions of <code>/etc/kubernetes/static-pod-resources/etcd-*/secrets/*/*.crt</code>, run the command: <pre>$ sudo chmod 0600 /etc/kubernetes/static-pod-resources/etcd-*/sec...
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift SDN Container Network Interface Plugin IP Address Allocations

    To properly set the permissions of /var/lib/cni/networks/openshift-sdn/*, run the command: 
    $ sudo chmod 0644 /var/lib/cni/networks/openshift-sdn/*
    Rule Medium Severity
    Show

  • Verify Permissions on the Kubernetes API Server Pod Specification File

    To properly set the permissions of <code>/etc/kubernetes/static-pod-resources/kube-apiserver-pod-*/kube-apiserver-pod.yaml</code>, run the command: <pre>$ sudo chmod 0600 /etc/kubernetes/static-po...
    Rule Medium Severity
    Show

  • Verify Permissions on the Kubernetes Controller Manager Pod Specification File

    To properly set the permissions of <code>/etc/kubernetes/static-pod-resources/kube-controller-manager-pod-*/kube-controller-manager-pod.yaml</code>, run the command: <pre>$ sudo chmod 0600 /etc/ku...
    Rule Medium Severity
    Show

  • Ensure that all Routes has rate limit enabled

    OpenShift has an option to set the rate limit for Routes [1] when creating new Routes. All routes outside the openshift namespaces and the kube namespaces should use the rate-limiting annotations. ...
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift Admin Kubeconfig File

    To properly set the permissions of /etc/kubernetes/kubeconfig, run the command: 
    $ sudo chmod 0600 /etc/kubernetes/kubeconfig
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift Multus Container Network Interface Plugin Files

    To properly set the permissions of /var/run/multus/cni/net.d/*, run the command: 
    $ sudo chmod 0644 /var/run/multus/cni/net.d/*
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift PKI Certificate Files

    To properly set the permissions of <code>/etc/kubernetes/static-pod-resources/kube-*/secrets/*/tls.crt</code>, run the command: <pre>$ sudo chmod 0600 /etc/kubernetes/static-pod-resources/kube-*/s...
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift PKI Private Key Files

    To properly set the permissions of /etc/kubernetes/static-pod-resources/*/*/*/*.key, run the command: 
    $ sudo chmod 0600 /etc/kubernetes/static-pod-resources/*/*/*/*.key
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift Open vSwitch Files

    To properly set the permissions of /etc/openvswitch/.*, run the command: 
    $ sudo chmod 0644 /etc/openvswitch/.*
    Rule Medium Severity
    Show

  • Verify Permissions on the OVNKubernetes socket

    To properly set the permissions of /run/ovn-kubernetes/cni/ovn-cni-server.sock, run the command: 
    $ sudo chmod 0600 /run/ovn-kubernetes/cni/ovn-cni-server.sock
    Rule Medium Severity
    Show

  • Verify Permissions on the OVNKubernetes DB files

    To properly set the permissions of /var/lib/ovn/etc/*.db, run the command: 
    $ sudo chmod 0640 /var/lib/ovn/etc/*.db
    Rule Medium Severity
    Show

  • Verify Permissions on the Open vSwitch Configuration Database

    To properly set the permissions of /etc/openvswitch/conf.db, run the command: 
    $ sudo chmod 0640 /etc/openvswitch/conf.db
    Rule Medium Severity
    Show

  • OpenShift API Server

    This section contains recommendations for openshift-apiserver configuration.
    Group
    Show

  • Verify Permissions on the Open vSwitch Process ID File

    To properly set the permissions of /var/run/openvswitch/ovs-vswitchd.pid, run the command: 
    $ sudo chmod 0644 /var/run/openvswitch/ovs-vswitchd.pid
    Rule Medium Severity
    Show

  • Verify Permissions on the Open vSwitch Persistent System ID

    To properly set the permissions of /etc/openvswitch/system-id.conf, run the command: 
    $ sudo chmod 0644 /etc/openvswitch/system-id.conf
    Rule Medium Severity
    Show

  • Verify Permissions on the Open vSwitch Daemon PID File

    To properly set the permissions of /run/openvswitch/ovs-vswitchd.pid, run the command: 
    $ sudo chmod 0644 /run/openvswitch/ovs-vswitchd.pid
    Rule Medium Severity
    Show

  • Verify Permissions on the Open vSwitch Database Server PID

    To properly set the permissions of /run/openvswitch/ovsdb-server.pid, run the command: 
    $ sudo chmod 0644 /run/openvswitch/ovsdb-server.pid
    Rule Medium Severity
    Show

  • Verify Permissions on the Kubernetes Scheduler Kubeconfig File

    To properly set the permissions of <code>/etc/kubernetes/static-pod-resources/kube-scheduler-pod-*/configmaps/scheduler-kubeconfig/kubeconfig</code>, run the command: <pre>$ sudo chmod 0600 /etc/k...
    Rule Medium Severity
    Show

  • The OpenShift etcd Data Directory Must Have Mode 0700

    To properly set the permissions of /var/lib/etcd, run the command: 
    $ sudo chmod 0700 /var/lib/etcd
    Rule Medium Severity
    Show

  • Verify Permissions on the OpenShift SDN CNI Server Config

    To properly set the permissions of /var/run/openshift-sdn/cniserver/config.json, run the command: 
    $ sudo chmod 0444 /var/run/openshift-sdn/cniserver/config.json
    Rule Medium Severity
    Show

  • Kubernetes - Network Configuration and Firewalls

    Most systems must be connected to a network of some sort, and this brings with it the substantial risk of network attack. This section discusses the security impact of decisions about networking wh...
    Group
    Show

  • Verify User Who Owns The OpenShift Node Service File

    ' To properly set the owner of /etc/systemd/system/kubelet.service, run the command: 
    $ sudo chown root /etc/systemd/system/kubelet.service
    '
    Rule Medium Severity
    Show

  • Ensure that the CNI in use supports Network Policies

    There are a variety of CNI plugins available for Kubernetes. If the CNI in use does not support Network Policies it may not be possible to effectively restrict traffic in the cluster. OpenShift sup...
    Rule High Severity
    Show

  • Ensure that HyperShift Hosted Namespaces have Network Policies defined.

    Use network policies to isolate traffic in your cluster network.
    Rule High Severity
    Show

Node 2

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