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Update notes for 2022-07-18

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Alan Orth 2022-07-18 16:45:55 +03:00
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18
content/posts/2022-07.md
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@ -335,5 +335,23 @@ geo $ua {
- This allows me to accomplish the original goal while still only using one bot-networks.conf file for the `limit_req_zone` and the user agent mapping that we pass to Tomcat
- Unfortunately this means I will have hundreds of thousands of requests in Solr with a literal `$http_user_agent`
- I might try to purge some by enumerating all the networks in my block file and running them through `check-spider-ip-hits.sh`
- I extracted all the IPs/subnets from `bot-networks.conf` and prepared them so I could enumerate their IPs
- I had to add `/32` to all single IPs, which I did with this crazy vim invocation:
```console
:g!/\/\d\+$/s/^\(\d\+\.\d\+\.\d\+\.\d\+\)$/\1\/32/
```
- Explanation:
- `g!`: global, lines *not* matching (the opposite of `g`)
- `/\/\d\+$/`, pattern matching `/` with one or more digits at the end of the line
- `s/^\(\d\+\.\d\+\.\d\+\.\d\+\)$/\1\/32/`, for lines not matching above, capture the IPv4 address and add `/32` at the end
- Then I ran the list through prips to enumerate the IPs:
```console
$ while read -r line; do prips "$line" | sed -e '1d; $d'; done < /tmp/bot-networks.conf > /tmp/bot-ips.txt
$ wc -l /tmp/bot-ips.txt
1946968 /tmp/bot-ips.txt
```
<!-- vim: set sw=2 ts=2: -->

27
docs/2022-07/index.html
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@ -19,7 +19,7 @@ Also, the trgm functions I&rsquo;ve used before are case insensitive, but Levens
<meta property="og:type" content="article" />
<meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2022-07/" />
<meta property="article:published_time" content="2022-07-02T14:07:36+03:00" />
<meta property="article:modified_time" content="2022-07-17T22:45:16+03:00" />
<meta property="article:modified_time" content="2022-07-18T12:32:23+03:00" />
@ -44,9 +44,9 @@ Also, the trgm functions I&rsquo;ve used before are case insensitive, but Levens
"@type": "BlogPosting",
"headline": "July, 2022",
"url": "https://alanorth.github.io/cgspace-notes/2022-07/",
"wordCount": "2156",
"wordCount": "2266",
"datePublished": "2022-07-02T14:07:36+03:00",
"dateModified": "2022-07-17T22:45:16+03:00",
"dateModified": "2022-07-18T12:32:23+03:00",
"author": {
"@type": "Person",
"name": "Alan Orth"
@ -501,8 +501,27 @@ Also, the trgm functions I&rsquo;ve used before are case insensitive, but Levens
<li>I might try to purge some by enumerating all the networks in my block file and running them through <code>check-spider-ip-hits.sh</code></li>
</ul>
</li>
<li>I extracted all the IPs/subnets from <code>bot-networks.conf</code> and prepared them so I could enumerate their IPs
<ul>
<li>I had to add <code>/32</code> to all single IPs, which I did with this crazy vim invocation:</li>
</ul>
<!-- raw HTML omitted -->
</li>
</ul>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-console" data-lang="console"><span style="display:flex;"><span>:g!/\/\d\+$/s/^\(\d\+\.\d\+\.\d\+\.\d\+\)$/\1\/32/
</span></span></code></pre></div><ul>
<li>Explanation:
<ul>
<li><code>g!</code>: global, lines <em>not</em> matching (the opposite of <code>g</code>)</li>
<li><code>/\/\d\+$/</code>, pattern matching <code>/</code> with one or more digits at the end of the line</li>
<li><code>s/^\(\d\+\.\d\+\.\d\+\.\d\+\)$/\1\/32/</code>, for lines not matching above, capture the IPv4 address and add <code>/32</code> at the end</li>
</ul>
</li>
<li>Then I ran the list through prips to enumerate the IPs:</li>
</ul>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-console" data-lang="console"><span style="display:flex;"><span>$ <span style="color:#66d9ef">while</span> read -r line; <span style="color:#66d9ef">do</span> prips <span style="color:#e6db74">&#34;</span>$line<span style="color:#e6db74">&#34;</span> | sed -e <span style="color:#e6db74">&#39;1d; $d&#39;</span>; <span style="color:#66d9ef">done</span> &lt; /tmp/bot-networks.conf &gt; /tmp/bot-ips.txt
</span></span><span style="display:flex;"><span>$ wc -l /tmp/bot-ips.txt
</span></span><span style="display:flex;"><span>1946968 /tmp/bot-ips.txt
</span></span></code></pre></div><!-- raw HTML omitted -->

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