https://miroadamy.com/tags/ssl/ Recent content in Ssl on Miro's World Hugo -- gohugo.io en © 2026 Miro Adamy Sun, 10 Feb 2019 11:22:48 +0800 https://miroadamy.com/posts/2019-02-10-ssl-poke/ Sun, 10 Feb 2019 11:22:48 +0800 https://miroadamy.com/posts/2019-02-10-ssl-poke/ <h1 class="relative group">Cybersource Testing Tool <div id="cybersource-testing-tool" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#cybersource-testing-tool" aria-label="Anchor">#</a> </span> </h1> <p>Java utility that we used before when we were debugging the TLS 1.2 issues.</p> <p>It needs to be compiled with JDK 1.8 - ideally the same one that runs in production and then run like:</p> <div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">java -Djavax.net.debug=ssl:handshake:verbose SSLPoke api.cybersource.com 443</span></span></code></pre></div></div> <p>replace api.cybersource.com with whatever the cybersource endpoint needs to be.</p> <p>If the utility responds with &lsquo;Successfully connected’, it was able to handshake with the SSL server and establish the secure connection.</p>