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<title>New zine: &#34;Networking! ACK!&#34;</title>
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<h1><a href="/">Julia Evans</a></h1>
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<h1 class="entry-title">New zine: &#34;Networking! ACK!&#34;</h1>
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<time class="date" datetime="2017-01-29T10:47:02" pubdate data-updated="true">
January 29, 2017
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<p>HI FRIENDS. In December, I started writing a zine about computer
networking! In it, I explain everything that happens when you download
<a href="http://jvns.ca/cat.png">this image</a> from the internet, in as much
detail as I can fit in 24 pages.</p>
<p>Have you been seeing cool drawings about networking concepts on Twitter
from me, and wondering &ldquo;Julia, I really want to have all of these
in one place, how can I get that??&rdquo;? This is what I was working on!</p>
<p>Here&rsquo;s the (amazing) cover, by rad programmer <a href="https://twitter.com/_lbaillie">Lee Baillie</a>.</p>
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<img src="https://jvns.ca/images/networkingcover.png" width=400px>
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<p>This zine explains:</p>
<ul>
<li>how packets are put together</li>
<li>all the steps to download a cat: DNS, sockets, TCP connections, HTTP,
and TLS</li>
<li>networking notation</li>
<li>networking layers</li>
<li>what even is a &ldquo;port&rdquo;</li>
<li>and more!</li>
</ul>
<p>I&rsquo;m really excited about this &ndash; I spent a really long time being
confused about how any of this networking stuff worked AT ALL, and I&rsquo;m
hoping this zine will help some people understand a few more things.</p>
<p>Also I am worried about what is happening in the world this week, and
I wanted to do a small thing to help.</p>
<p><strong>Read the networking zine today</strong>! It&rsquo;s at <a href="https://wizardzines.com/zines/networking">https://wizardzines.com/zines/networking</a>.</p>
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