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Red Hat OpenShift Container Platform 4.12 Security Technical Implementation Guide
SRG-APP-000038-CTR-000105
OpenShift must enforce network policy on the namespace for controlling the flow of information within the container platform based on organization-defined information flow control policies.
OpenShift must enforce network policy on the namespace for controlling the flow of information within the container platform based on organization-defined information flow control policies. An XCCDF Rule
OpenShift must enforce network policy on the namespace for controlling the flow of information within the container platform based on organization-defined information flow control policies.
Medium Severity
<VulnDiscussion>OpenShift provides several layers of protection to control the flow of information between the container platform components and user services. Each user project is given a separate namespace and OpenShift enforces RBAC policies controlling which projects and services users can access.
OpenShift forces the use of namespaces. Service accounts are a namespace resource as well, so they are segregated. RBAC policies apply to service accounts. In addition, Network Policies are used to control the flow of requests between containers hosted on the container platform.
It is important to define a default Network Policy on the namespace that will be applied automatically to new projects to prevent unintended requests. These policies can be updated by the project's administrator (with the appropriate RBAC permissions) to apply a policy that is appropriate to the service(s) within the project namespace.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>