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Merge pull request #664 from crowdsecurity/improve_community_blocklist
improve community blocklists doc
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---
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id: community_blocklist
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title: Community Blocklist
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sidebar_position: 3
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---
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# Introduction
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The "Community Blocklist" is a curated list of IP addresses identified as malicious by CrowdSec. CrowdSec proactively block the IP addresses of this blocklist, preventing malevolent IPs from reaching your systems.
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# Community Blocklist Variation and Eligibility
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The rules are different for free and paying users:
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- Free users that **do not** contribute get the `Community Blocklist (Lite)`
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- Free users that **do** contribute get access to the `Community Blocklist`
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- Paying users get access to the `Community Blocklist (Premium)`, even if they don't contribute
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Regardless of the blocklist "tier" you have access to (`Lite`, `Community`, `Premium`), each Security Engine gets a tailored blocklist based on the kind of behavior you're trying to detect.
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# Community Blocklist
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Free users that are actively contributing to the network (sending signal on a regular basis) have their Security Engines automatically subscribed to the *Community Blocklist*.
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The content of the blocklist is unique to each Security Engine, as it mirrors the behaviours they report. For example, suppose you're running the Security Engine on a web server with WordPress. In that case, you will receive IPs performing generic attacks against web servers *and* IPs engaging in wordpress-specific attacks.
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The *Community Blocklist* contains 15 thousand malicious IP's based on your reported scenarios.
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# Community Blocklist (Premium)
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Paying users' Security Engine are automatically subscribed to the *Community Blocklist (Premium)*, which contains IPs that mirror their installed scenarios.
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Paying users' do not need to contribute to the network to be eligible to the blocklist.
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The *Community Blocklist (Premium)* blocklist content has no size limit, unlike free users.
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# Community Blocklist (Lite)
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Free users that are not actively contributing to the network or that have been flagged as cheating/abusing the system will receive the *Community Blocklist (Lite)*.
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This Blocklist is capped at 3 thousand IPs.

crowdsec-docs/sidebars.js

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id: "central_api/intro",
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},
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items: [
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"central_api/community_blocklist",
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{
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type: "link",
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label: "Swagger",

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