>Description</th>
</tr>
</thead>
<tbody>
<tr id="EnvoyFilter-Patch-FilterClass-UNSPECIFIED">
<td><code><a href="#EnvoyFilter-Patch-FilterClass-UNSPECIFIED">UNSPECIFIED</a></code></td>
<td>
<p>Control plane decides where to insert the filter.
Do not specify <code>FilterClass</code> if the filter is independent of others.</p>

</td>
</tr>
<tr id="EnvoyFilter-Patch-FilterClass-AUTHN">
<td><code><a href="#EnvoyFilter-Patch-FilterClass-AUTHN">AUTHN</a></code></td>
<td>
<p>Insert filter after Istio authentication