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<a href="https://gitlab.com/dlenski">Daniel Lenski</a>
commented:
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<blockquote dir="auto">
<p>Thanks for reporting this. I didn't know that such servers still existed.</p>
</blockquote>
<p dir="auto">I believe it's a Cisco VPN Concentrator 3000… I suspect that there are more than a few still in use.</p>
<blockquote dir="auto">
<p>The request makes sense, but to provide more background RFC6101 (final SSL3.0 draft - draft-freier-ssl-version3-01 if I remember well) servers are expected to ignore TLS extensions (fields that come after the client hello).</p>
</blockquote>
<p dir="auto">Aha, I see now, thanks. Per <a href="https://tools.ietf.org/html/rfc6101#section-5.6.1" rel="nofollow noreferrer noopener" target="_blank">5.6.1.3</a>:</p>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> Forward compatibility note: In the interests of forward</span>
<span id="LC2" class="line" lang="plaintext"> compatibility, it is permitted for a client hello message to include</span>
<span id="LC3" class="line" lang="plaintext"> extra data after the compression methods. This data must be included</span>
<span id="LC4" class="line" lang="plaintext"> in the handshake hashes, but must otherwise be ignored.</span></code></pre>
<blockquote dir="auto">
<p>So this server is implementing a draft SSL3.0 version, rather than the final protocol.</p>
</blockquote>
<p dir="auto">Do you have a suggestion for how this draft SSL 3.0 version ought to be described in testing?</p>
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