<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Crowdsec on IT it's FUN</title><link>https://mksit.sknt.ru/tags/crowdsec/</link><description>Recent content in Crowdsec on IT it's FUN</description><generator>Hugo</generator><language>ru</language><lastBuildDate>Mon, 12 Jan 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://mksit.sknt.ru/tags/crowdsec/index.xml" rel="self" type="application/rss+xml"/><item><title>Crowdsec. Кастомные параметры в коллекциях</title><link>https://mksit.sknt.ru/posts/crowdsec.-%D0%BA%D0%B0%D1%81%D1%82%D0%BE%D0%BC%D0%BD%D1%8B%D0%B5-%D0%BF%D0%B0%D1%80%D0%B0%D0%BC%D0%B5%D1%82%D1%80%D1%8B-%D0%B2-%D0%BA%D0%BE%D0%BB%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D1%8F%D1%85/</link><pubDate>Mon, 12 Jan 2026 00:00:00 +0000</pubDate><guid>https://mksit.sknt.ru/posts/crowdsec.-%D0%BA%D0%B0%D1%81%D1%82%D0%BE%D0%BC%D0%BD%D1%8B%D0%B5-%D0%BF%D0%B0%D1%80%D0%B0%D0%BC%D0%B5%D1%82%D1%80%D1%8B-%D0%B2-%D0%BA%D0%BE%D0%BB%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D1%8F%D1%85/</guid><description>&lt;p&gt;Например, необходимо изменить параметры блокировки. Правим конфиг:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-yaml" data-lang="yaml"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="c"&gt;# /etc/crowdsec/scenarios/exim-bf.yaml&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt;&lt;/span&gt;&lt;span class="c"&gt;# было&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt;&lt;/span&gt;&lt;span class="nt"&gt;leakspeed&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;&amp;#34;10s&amp;#34;&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt;&lt;/span&gt;&lt;span class="nt"&gt;blackhole&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="l"&gt;1m&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt;&lt;/span&gt;&lt;span class="c"&gt;# стало&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt;&lt;/span&gt;&lt;span class="nt"&gt;leakspeed&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s2"&gt;&amp;#34;10m&amp;#34;&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="w"&gt;&lt;/span&gt;&lt;span class="nt"&gt;blackhole&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="l"&gt;5h&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Но тогда при эта коллекция будет помечена как &lt;strong&gt;tainted&lt;/strong&gt; (испорчен)&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-sh" data-lang="sh"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;cscli hub list
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;...
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;crowdsecurity/exim ⚠️ enabled,tainted 0.1 /etc/crowdsec/collections/exim.yaml
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Чтобы увидеть что именно &amp;ldquo;испорченно&amp;rdquo; делаем так:&lt;/p&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-sh" data-lang="sh"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;cscli collections inspect --diff crowdsecurity/exim
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="c1"&gt;# Let&amp;#39;s see why collections:crowdsecurity/exim is tainted.&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;-&amp;gt; scenarios:crowdsecurity/exim-bf
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;--- /etc/crowdsec/scenarios/exim-bf.yaml
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;+++ /tmp/cscli-diff-176304198
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;@@ -5,8 +5,8 @@
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; filter: &lt;span class="s2"&gt;&amp;#34;evt.Meta.log_type == &amp;#39;exim_failed_auth&amp;#39;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; groupby: evt.Meta.source_ip
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; capacity: &lt;span class="m"&gt;5&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;-leakspeed: &lt;span class="s2"&gt;&amp;#34;10m&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;-blackhole: 5h
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;+leakspeed: &lt;span class="s2"&gt;&amp;#34;10s&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;+blackhole: 1m
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; labels:
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; confidence: &lt;span class="m"&gt;3&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; spoofable: &lt;span class="m"&gt;0&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;@@ -25,8 +25,8 @@
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; groupby: evt.Meta.source_ip
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; distinct: evt.Meta.username
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; capacity: &lt;span class="m"&gt;5&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;-leakspeed: &lt;span class="s2"&gt;&amp;#34;10m&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;-blackhole: 5h
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;+leakspeed: &lt;span class="s2"&gt;&amp;#34;10s&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;+blackhole: 1m
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; labels:
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; confidence: &lt;span class="m"&gt;3&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; spoofable: &lt;span class="m"&gt;0&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Такая коллекция не будет обновляться, странно что нельзя переопределять параметры без того чтобы не поломать коллекцию.&lt;/p&gt;</description></item></channel></rss>