A fatal alert always leads to a connection abort.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>The following strings can occur for SSL_alert_type_string() or SSL_alert_type_string_long():</p>

<dl>

<dt id="W-warning">&quot;W&quot;/&quot;warning&quot;</dt>
<dd>

</dd>
<dt id="F-fatal">&quot;F&quot;/&quot;fatal&quot;</dt>
<dd>

</dd>
<dt id="U-unknown">&quot;U&quot;/&quot;unknown&quot;</dt>
<dd>

<p>This indicates that no support is available for this alert type. Probably <b>value</b> does not contain 