docs: add security warning for ServiceLB port shadowing #516
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Signed-off-by: uzunenes <42443500+uzunenes@users.noreply.github.com>
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Closing this PR as the topic has been discussed in the linked issue. |
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Description
This PR addresses a documentation gap regarding the security implications of using ServiceLB (Klipper-LB) in multi-tenant environments.
As detailed in the linked issue, pods with
hostNetwork: truecan preempt/shadow the host ports (80/443) used by ServiceLB, potentially leading to traffic interception or Denial of Service. While this is expected architectural behavior, it was not explicitly documented as a security risk.Changes
:::warningblock todocs/networking/networking-services.mdunder the Service Load Balancer section.hostNetworkvia Admission Controllers.Related Issue
Fixes #515
Verification
v1.33.6+k3s1.:::warningsyntax).