[k3s][node][4.2.4][release/0.7] fix audit for --read-only-port discovery #570
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…turned data The former audit returned too much data, which was subsequently truncated by kube-bench, causing the check to fail consistently. Signed-off-by: Andy Pitcher <[email protected]>
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andypitcher
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Dec 2, 2025
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Description:
Check: 4.2.4 Verify that if defined, the --read-only-port argument is set to 0 (Automated)
The former audit returned too much data, which was subsequently truncated by kube-bench, causing the check to fail consistently. This fix improves the audit for --read-only-port discovery by limiting the returned data, piping the initial command to grep with -o, --only-matching.
Parent issue:
rancher/compliance-operator#123
Fixed versions:
k3s-cis-1.11
k3s-cis-1.10
k3s-cis-1.9
Expected behaviour: By default, K3s sets the --read-only-port to 0 (which disables the read only kubelet API traditionally served on port 10255, preventing unauthenticated access to potentially sensitive cluster information).