/tr><tr id=Source-ip_blocks><td><code>ipBlocks</code></td><td><code>string[]</code></td><td><p>Optional. A list of IP blocks, which matches to the &ldquo;source.ip&rdquo; attribute.
Single IP (e.g. &ldquo;1.2.3.4&rdquo;) and CIDR (e.g. &ldquo;1.2.3.0/24&rdquo;) are supported.</p><p>If not set, any IP is allowed.</p></td><td>No</td></tr></tbody></table></section></article><nav class=pagenav><div class=left><a title="Authentication policy for Istio services." href=/v1.7/zh/docs/reference/config/security/istio