not be terminated with respect to verification failures and the connection will be established. The calling process can however retrieve the error code of the last verification error using <a href="../man3/SSL_get_verify_result.html">SSL_get_verify_result(3)</a> or by maintaining its own error storage managed by <b>verify_callback</b>.</p>

<p>If no <b>verify_callback</b> is specified, the default callback will be used. Its return value is identical to <b>preverify_ok</b>, so that any verification failure w