the workload certificate TTL. (default `0.5`)</td></tr><tr><td><code>--workload-cert-min-grace-period &lt;duration&gt;</code></td><td>The minimum workload certificate rotation grace period. (default `10m0s`)</td></tr><tr><td><code>--workload-cert-ttl &lt;duration&gt;</code></td><td>The TTL of issued workload certificates (default `19h0m0s`)</td></tr></tbody></table><h2 id="istio_ca probe">istio_ca probe</h2><p>Check the liveness or readiness of a locally-running server</p><pre class="language-bash"><code>is