>
<dd>

<p><b>Server mode:</b> the server will not send a client certificate request during the initial handshake, but will send the request via SSL_verify_client_post_handshake(). This allows the SSL_CTX or SSL to be configured for post-handshake peer verification before the handshake occurs. This flag must be used together with SSL_VERIFY_PEER. TLSv1.3 only; no effect on pre-TLSv1.3 connections.</p>

<p><b>Client mode:</b> ignored (see BUGS)</p>

</dd>
</dl>

<p>If the <b>mode</b> is SSL_VERIFY_NONE none 