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	<h1><a href="https://perishablepress.com/ultimate-ai-block-list/">Ultimate Block List to Stop AI Bots</a></h1>
	
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		<div class="post-author">♦ Posted by <a href="https://perishablepress.com/author/perish/" title="Posts by Jeff Starr" rel="author">Jeff Starr</a> in <a href="https://perishablepress.com/category/web-design/htaccess/" title="Visit category archive">.htaccess</a>, <a href="https://perishablepress.com/category/web-design/security/" title="Visit category archive">Security</a>, <a href="https://perishablepress.com/category/web-design/seo/" title="Visit category archive">SEO</a></div>
		
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			Updated <time class="post-date published" datetime="2026-01-05T16:30:26-08:00" title="Original Post Date: Feb 11th, 2025 @ 9:28 am">January 5, 2026</time> 
						• <a href="https://perishablepress.com/ultimate-ai-block-list/#comments">56 comments</a>
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	<p>More than you might think, <abbr title="Artificial Intelligence">AI</abbr> (Artificial Intelligence) and <abbr title="Machine Learning">ML</abbr>
 (Machine Learning) bots are crawling your site and scraping your 
content. They are collecting and using your data to train software like 
ChatGPT, OpenAI, DeepSeek, and thousands of other <abbr title="Artificial Intelligence">AI</abbr>
 creations. Whether you or anyone approves of all this is not my concern
 for this post. The focus of this post is aimed at website owners who 
want to stop <abbr title="Artificial Intelligence">AI</abbr> bots from 
crawling their web pages, as much as possible. To help people with this,
 I’ve been collecting data and researching AI bots for many months now, 
and have put together a “Mega Block List” to help <strong>stop AI bots</strong> from devouring your content.</p>
<p></p>
<blockquote><p>The ultimate block list for stopping AI bots from crawling your site.</p></blockquote>
<h2 id="table-of-contents">Contents</h2>
<ul>
<li><a href="#block-ai-via-bbq-pro">Block AI Bots via BBQ Pro</a></li>
<li><a href="#block-ai-via-robots">Block AI Bots via robots.txt</a></li>
<li><a href="#block-ai-via-apache">Block AI Bots via Apache/.htaccess</a></li>
<li><a href="#block-ai-nginx">Block AI Bots via Nginx</a></li>
<li><a href="#block-ai-text">Download plain-text list</a></li>
<li><a href="#notes">Notes</a></li>
<li><a href="#changelog">Changelog</a></li>
<li><a href="#disclaimer">Disclaimer</a></li>
<li><a href="#support">Show Support</a></li>
<li><a href="#references">References</a></li>
<li><a href="#feedback">Feedback</a></li>
</ul>
<blockquote><p>If you can edit a file, you can block a ton of AI bots.</p></blockquote>
<div class="popout"><strong>Thanks:</strong> Special Thanks to Kristina Ponting for help with researching AI bots and sharing with the community. Find Kristina at <a href="https://teskedsgumman.se/" target="_blank">Teskedsgumman</a> and on <a href="https://github.com/tinaponting/" target="_blank">Github</a>.</div>
<h2 id="block-ai-via-bbq-pro">Block AI Bots via BBQ Pro</h2>
<p>🔥 Users of my <a href="https://plugin-planet.com/bbq-pro/" title="Fastest WordPress Firewall" target="_blank">BBQ Pro</a> firewall plugin can <a href="https://plugin-planet.com/bbq-pro-add-ultimate-ai-block-list/" title="BBQ Pro - Add the Ultimate AI Block List" target="_blank">add the Ultimate AI Block List with just a few clicks&nbsp;»</a></p>
<h2 id="block-ai-via-robots">Block AI Bots via robots.txt</h2>
<p>The easiest way for most website owners to block AI bots, is to append the following list to their site’s <a href="https://perishablepress.com/robots-notes-plus/" title="About the Robots.txt File">robots.txt file</a>. There are many resources explaining the robots.txt file, and I encourage anyone not familiar to take a few moments to <a href="#references" title="Scroll down to References">learn more</a>. </p>
<p>In a nutshell, the robots.txt file is a file that contains rules for 
bots to obey. So you can add rules that limit where bots can crawl, 
whether individual pages or the entire site. Once you have added some 
rules, simply upload the robots file to the public root directory of 
your website. For example, here is my <a href="https://perishablepress.com/robots.txt" title="Perishable Press robots.txt file" target="_blank">robots.txt</a> for Perishable Press.</p>
<div class="popout"><strong>Using WordPress?</strong> Block bad bots automatically with my free plugin, <a href="https://wordpress.org/plugins/blackhole-bad-bots/" title="Get it at WordPress.org" target="_blank">Blackhole for Bad Bots</a>. Trap bad bots in a virtual black hole :)</div>
<p>To block AI bots via your site’s robots.txt file, append the following rules. Understand that <strong>bots are not required to obey</strong>
 robots.txt rules. Robots rules are merely suggestions. Good bots will 
follow the rules, bad bots will ignore the rules and do whatever they 
want. To force compliance, you can <a href="#block-ai-via-apache" title="Scroll down to Apache rules">add blocking rules via Apache/.htaccess</a>. That in mind, here are the robots rules to block AI bots..</p>
<blockquote><p>Blocks over 700+ AI bots and user agents.</p></blockquote>
<h3>Block list for robots.txt</h3>
<p>Before using, read the <a href="#notes" title="Scroll down to Notes">Notes</a> and <a href="#disclaimer" title="Scroll down to Disclaimer">Disclaimer</a>.</p>
<pre class="language-plaintext"><code data-highlighted="yes" class="hljs language-plaintext"># Ultimate AI Block List v1.8 20260105
# https://perishablepress.com/ultimate-ai-block-list/

# Allow all other bots full access
User-agent: *
Disallow:

# Block AI bots from all access
User-agent: .ai
User-agent: -ai
User-agent: _ai
User-agent: ai.
User-agent: ai-
User-agent: ai_
User-agent: ai=
User-agent: AddSearchBot
User-agent: Agentic
User-agent: AgentQL
User-agent: Agent 3
User-agent: Agent API
User-agent: Agent-
User-agent: AI Agent
User-agent: AI Article Writer
User-agent: AI Assistant
User-agent: AI Chat
User-agent: AI Content Detector
User-agent: AI Detection
User-agent: AI Dungeon
User-agent: AI Journalist
User-agent: AI Legion
User-agent: AI RAG
User-agent: AI Search
User-agent: AI SEO Crawler
User-agent: AI Training
User-agent: AI Web
User-agent: AI Writer
User-agent: AI2
User-agent: AIBot
User-agent: aiHitBot
User-agent: AIMatrix
User-agent: Airesearch
User-agent: AISearch
User-agent: AITraining
User-agent: Alexa
User-agent: Alice Yandex
User-agent: AliGenie
User-agent: AliyunSec
User-agent: Alpha AI
User-agent: AlphaAI
User-agent: Amazon
User-agent: Amelia
User-agent: AndersPinkBot
User-agent: AndiBot
User-agent: Anomura
User-agent: Anonymous AI
User-agent: Anthropic
User-agent: AnyPicker
User-agent: Anyword
User-agent: Applebot
User-agent: Aria AI
User-agent: Aria Browse
User-agent: Articoolo
User-agent: Ask AI
User-agent: Atlassian
User-agent: AutoGen
User-agent: Automated Writer
User-agent: AutoML
User-agent: Autonomous RAG
User-agent: AutoRAG
User-agent: Awario
User-agent: AWS Trainium
User-agent: Azure
User-agent: BabyAGI
User-agent: BabyCatAGI
User-agent: BardBot
User-agent: Basic RAG
User-agent: Bedrock
User-agent: Big Sur
User-agent: Bigsur
User-agent: Botsonic
User-agent: Brightbot
User-agent: Browser MCP Agent
User-agent: Browser Use
User-agent: BuddyBot
User-agent: Bytebot
User-agent: ByteDance
User-agent: Bytespider
User-agent: CarynAI
User-agent: CatBoost
User-agent: CC-Crawler
User-agent: CCBot
User-agent: Chai
User-agent: Channel3Bot
User-agent: Character
User-agent: Charstar AI
User-agent: Chatbot
User-agent: Chatsonic
User-agent: ChatUser
User-agent: Chinchilla
User-agent: Claude
User-agent: ClearScope
User-agent: Clearview
User-agent: Cognitive AI
User-agent: Cohere
User-agent: Common Crawl
User-agent: CommonCrawl
User-agent: Compass
User-agent: Content Harmony
User-agent: Content King
User-agent: Content Optimizer
User-agent: Content Samurai
User-agent: ContentAtScale
User-agent: ContentBot
User-agent: Contentedge
User-agent: ContentShake
User-agent: Conversion AI
User-agent: Copilot
User-agent: CopyAI
User-agent: Copymatic
User-agent: Copyscape
User-agent: CoreWeave
User-agent: Corrective RAG
User-agent: Cotoyogi
User-agent: CRAB
User-agent: Crawl4AI
User-agent: CrawlQ AI
User-agent: Crawlspace
User-agent: Crew AI
User-agent: CrewAI
User-agent: Crushon AI
User-agent: Cypex
User-agent: DALL-E
User-agent: DarkBard
User-agent: DarkBERT
User-agent: DataFor
User-agent: DataProvider
User-agent: Datenbank Crawler
User-agent: DeepAI
User-agent: Deep AI
User-agent: DeepL
User-agent: DeepMind
User-agent: Deep Research
User-agent: DeepResearch
User-agent: DeepSeek
User-agent: Devin
User-agent: Diffbot
User-agent: Dolma
User-agent: Doubao AI
User-agent: DuckAssistBot
User-agent: DuckDuckGo Chat
User-agent: DuckDuckGo-Enhanced
User-agent: Echobot
User-agent: Echobox
User-agent: Elixir
User-agent: FacebookBot
User-agent: FacebookExternalHit
User-agent: Factset
User-agent: Falcon
User-agent: FIRE-1
User-agent: Firebase
User-agent: Firecrawl
User-agent: Flyriver
User-agent: Frase AI
User-agent: FriendlyCrawler
User-agent: Gato
User-agent: Gemini
User-agent: Gemma
User-agent: Gen AI
User-agent: GenAI
User-agent: Generative
User-agent: Genspark
User-agent: Gentoo-chat
User-agent: Ghostwriter
User-agent: GigaChat
User-agent: GLM
User-agent: GodMode
User-agent: Goose
User-agent: GPT
User-agent: Grammarly
User-agent: Grendizer
User-agent: Grok
User-agent: Groq
User-agent: GT Bot
User-agent: GTBot
User-agent: GTP
User-agent: Hemingway Editor
User-agent: Hetzner
User-agent: Hugging
User-agent: Hunyuan
User-agent: Hybrid Search RAG
User-agent: Hypotenuse AI
User-agent: iAsk
User-agent: IbouBot
User-agent: ICC-Crawler
User-agent: Ideogram
User-agent: ImageGen
User-agent: Imagen
User-agent: ImagesiftBot
User-agent: ImageSpider
User-agent: img2dataset
User-agent: imgproxy
User-agent: INK Editor
User-agent: INKforall
User-agent: Instructor
User-agent: IntelliSeek
User-agent: Inferkit
User-agent: ISSCyberRiskCrawler
User-agent: Janitor AI
User-agent: Jasper
User-agent: Jenni AI
User-agent: Julius AI
User-agent: Kafkai
User-agent: Kaggle
User-agent: Kangaroo
User-agent: Keyword Density AI
User-agent: Kimi
User-agent: Klaviyo
User-agent: Knowledge
User-agent: KomoBot
User-agent: Kruti
User-agent: KunatoCrawler
User-agent: LAIONDownloader
User-agent: LangChain
User-agent: Langfuse
User-agent: Language AI
User-agent: Le Chat
User-agent: Lensa
User-agent: Leonardo
User-agent: Lightpanda
User-agent: LightRAG
User-agent: LinerBot
User-agent: LinkupBot
User-agent: LLaMA
User-agent: LCC
User-agent: LLM
User-agent: Local RAG Agent
User-agent: Lovable
User-agent: Magistral
User-agent: magpie-crawler
User-agent: MAI-Image
User-agent: Manus
User-agent: MarketMuse
User-agent: MBZUAI
User-agent: Meltwater
User-agent: Meta-AI
User-agent: Meta-External
User-agent: Meta-Webindexer
User-agent: Meta AI
User-agent: MetaAI
User-agent: MetaTagBot
User-agent: Middleware
User-agent: Midjourney
User-agent: Mini AGI
User-agent: MiniMax
User-agent: Mintlify
User-agent: Mistral
User-agent: Mixtral
User-agent: model-training
User-agent: Molmo
User-agent: Monica
User-agent: Nano
User-agent: Narrative
User-agent: NeevaBot
User-agent: netEstate
User-agent: Neural Text
User-agent: NeuralSEO
User-agent: NinjaAI
User-agent: NodeZero
User-agent: NotebookLM
User-agent: Nova Act
User-agent: NovaAct
User-agent: Nytheon
User-agent: OAI-SearchBot
User-agent: OAI SearchBot
User-agent: OASIS
User-agent: Olivia
User-agent: OLM
User-agent: Omgili
User-agent: Onyx
User-agent: Open AI
User-agent: Open Interpreter
User-agent: OpenAGI
User-agent: OpenAI
User-agent: OpenBot
User-agent: OpenInterpreter
User-agent: OpenPi
User-agent: OpenRouter
User-agent: OpenText AI
User-agent: Operator
User-agent: Outwrite
User-agent: OVHcloud
User-agent: Owlin
User-agent: Page Analyzer AI
User-agent: PaLM 2
User-agent: PanguBot
User-agent: Panscient
User-agent: Paperlibot
User-agent: Paraphraser.io
User-agent: peer39_crawler
User-agent: Perflexity
User-agent: Perplexity
User-agent: Petal
User-agent: Phind
User-agent: PiplBot
User-agent: Pixmo
User-agent: Playwright
User-agent: PoeBot
User-agent: PoeSearchBot
User-agent: Poggio
User-agent: Poseidon
User-agent: ProWritingAid
User-agent: Proximic
User-agent: PulsarRPA
User-agent: Puppeteer
User-agent: Python AI
User-agent: Python lxml
User-agent: PyTorch
User-agent: Qualified
User-agent: Quark
User-agent: QuillBot
User-agent: Qopywriter
User-agent: Qwen
User-agent: RAG Agent
User-agent: RAG Azure AI
User-agent: RAG Chatbot
User-agent: RAG Database
User-agent: RAG IS
User-agent: RAG Pipeline
User-agent: RAG Search
User-agent: RAG with
User-agent: RAG-
User-agent: RAG_
User-agent: Raptor
User-agent: React Agent
User-agent: Reasoning
User-agent: Redis AI RAG
User-agent: Reka Flash
User-agent: Replicate
User-agent: RobotSpider
User-agent: RunPod
User-agent: Rytr
User-agent: SaplingAI
User-agent: SBIntuitionsBot
User-agent: Scala
User-agent: Scalenut
User-agent: Scrap
User-agent: ScriptBook
User-agent: Seekr
User-agent: SEObot
User-agent: SEO Content Machine
User-agent: SEO Robot
User-agent: SemrushBot
User-agent: Sentibot
User-agent: Serper
User-agent: ShapBot
User-agent: Sidetrade
User-agent: Simplified AI
User-agent: Sitefinity
User-agent: Skydancer
User-agent: Skyvern
User-agent: SlickWrite
User-agent: SmartBot
User-agent: Sonic
User-agent: Sora
User-agent: Spider/2
User-agent: SpiderCreator
User-agent: Spin Rewrite
User-agent: Spinbot
User-agent: Stability
User-agent: Stable Diffusion
User-agent: StableDiffusionBot
User-agent: Stagehand
User-agent: Stealth
User-agent: Sudowrite
User-agent: SummalyBot
User-agent: Super Agent
User-agent: Superagent
User-agent: SuperAGI
User-agent: Surfer AI
User-agent: Taiko
User-agent: TavilyBot
User-agent: TerraCotta
User-agent: Text Blaze
User-agent: TextCortex
User-agent: Thinkbot
User-agent: Thordata
User-agent: TikTokSpider
User-agent: Timpibot
User-agent: Tinybird
User-agent: Together
User-agent: Traefik
User-agent: Tulu
User-agent: Tülu
User-agent: TurnitinBot
User-agent: TwinAgent
User-agent: uAgents
User-agent: UI-TARS
User-agent: VelenPublicWebCrawler
User-agent: Venus Chub AI
User-agent: Vidnami AI
User-agent: Vision RAG
User-agent: WARDBot
User-agent: WebSurfer
User-agent: WebText
User-agent: WebVoyager
User-agent: Webzio
User-agent: WeChat
User-agent: Whisper
User-agent: WordAI
User-agent: Wordtune
User-agent: WPBot
User-agent: Writecream
User-agent: WriterZen
User-agent: Writescope
User-agent: Writesonic
User-agent: WRTNBot
User-agent: xAI
User-agent: Xanthorox
User-agent: xBot
User-agent: XLNet
User-agent: YaK
User-agent: YaML
User-agent: YandexAdditional
User-agent: YouBot
User-agent: Zanista
User-agent: Zendesk
User-agent: Zero
User-agent: Zhipu
User-agent: Zhuque AI
User-agent: Zimm
Disallow: /</code></pre>
<div class="popout"><strong>Important:</strong> Whenever making changes to your robots.txt file, take a few moments to <a href="https://www.google.com/search?q=validate+robots.txt+online" title="Search via Google" target="_blank">validate the rules</a> using a free online robots checker.</div>
<h2 id="block-ai-via-apache">Block AI Bots via Apache/.htaccess</h2>
<p>To actually <strong>enforce</strong> the “Ultimate AI Block List”, you can add the following rules to your Apache configuration or main <a href="https://wp-mix.com/create-htaccess-files-osx-windows/" title="Create .htaccess files on OS X and Windows" target="_blank">.htaccess file</a>. Like many others, I’ve written <strong>extensively</strong> on <a href="https://perishablepress.com/tag/apache/" title="Explore articles on Apache">Apache</a> and <a href="https://perishablepress.com/category/web-design/htaccess/" title="Explore articles on .htaccess">.htaccess</a>. So if you’re unfamiliar, there are plenty of great resources, including my book <a href="https://htaccessbook.com/" title="Secure and optimize your site" target="_blank">.htaccess made easy</a>.</p>
<p>In a nutshell, you can add rules via Apache/.htaccess to customize 
the functionality of your website. For example, you can add directives 
that help control traffic, optimize caching, improve performance, and 
even <a href="https://perishablepress.com/block-bad-bots/" title="How to Block Bad Bots">block bad bots</a>. And these rules operate at the server level. So while bots may ignore rules added via <a href="#block-ai-via-robots">robots.txt</a>, they can’t ignore rules added via Apache/.htaccess (unless they falsify their user agent).</p>
<div class="popout"><strong>Using Apache?</strong> Check out my free, open-source <a href="https://perishablepress.com/8g-firewall/" title="8G Firewall at Perishable Press">8G Firewall</a>. <abbr title="8th Generation">8G</abbr> is lightweight, fast, and protects your site against a wide range of threats.</div>
<p>To block AI bots via Apache/.htaccess, add the following rules to 
either your server configuration file, or add to the main (public root) 
.htaccess file. Before making any changes, be on the safe side and make a
 backup of your files. Just in case something unexpected happens, you 
can easily roll back. That in mind, here are the Apache rules to block 
AI bots..</p>
<blockquote><p>Blocks over 700+ AI bots and user agents.</p></blockquote>
<h3>Block list for Apache/.htaccess</h3>
<p>Before using, read the <a href="#notes" title="Scroll down to Notes">Notes</a> and <a href="#disclaimer" title="Scroll down to Disclaimer">Disclaimer</a>.</p>
<pre class="language-apache"><code data-highlighted="yes" class="hljs language-apache"><span class="hljs-comment"># Ultimate AI Block List v1.8 20260105</span>
<span class="hljs-comment"># https://perishablepress.com/ultimate-ai-block-list/</span>

<span class="hljs-section">&lt;IfModule mod_rewrite.c&gt;</span>

	<span class="hljs-attribute">RewriteEngine</span> <span class="hljs-literal">On</span>

	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (\.ai|-ai|_ai|ai\.|ai-|ai_|ai=|AddSearchBot|Agentic|AgentQL|Agent\ <span class="hljs-number">3</span>|Agent\ API|Agent-|AI\ Agent|AI\ Article\ Writer|AI\ Assistant|AI\ Chat|AI\ Content\ Detector|AI\ Detection|AI\ Dungeon)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (AI\ Journalist|AI\ Legion|AI\ RAG|AI\ Search|AI\ SEO\ Crawler|AI\ Training|AI\ Web|AI\ Writer|AI2|AIBot|aiHitBot|AIMatrix|Airesearch|AISearch|AITraining|Alexa|Alice\ Yandex|AliGenie|AliyunSec|Alpha\ AI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (AlphaAI|Amazon|Amelia|AndersPinkBot|AndiBot|Anomura|Anonymous\ AI|Anthropic|AnyPicker|Anyword|Applebot|Aria\ AI|Aria\ Browse|Articoolo|Ask\ AI|Atlassian|AutoGen|Automated\ Writer|AutoML|Autonomous\ RAG)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (AutoRAG|Awario|AWS\ Trainium|Azure|BabyAGI|BabyCatAGI|BardBot|Basic\ RAG|Bedrock|Big\ Sur|Bigsur|Botsonic|Brightbot|Browser\ MCP\ Agent|Browser\ Use|BuddyBot|Bytebot|ByteDance|Bytespider|CarynAI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (CatBoost|CC-Crawler|CCBot|Chai|Channel3Bot|Character|Charstar\ AI|Chatbot|Chatsonic|ChatUser|Chinchilla|Claude|ClearScope|Clearview|Cognitive\ AI|Cohere|Common\ Crawl|CommonCrawl|Compass|Content\ Harmony)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Content\ King|Content\ Optimizer|Content\ Samurai|ContentAtScale|ContentBot|Contentedge|ContentShake|Conversion\ AI|Copilot|CopyAI|Copymatic|Copyscape|CoreWeave|Corrective\ RAG|Cotoyogi|CRAB|Crawl4AI|CrawlQ\ AI|Crawlspace|Crew\ AI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (CrewAI|Crushon\ AI|Cypex|DALL-E|DarkBard|DarkBERT|DataFor|DataProvider|Datenbank\ Crawler|DeepAI|Deep\ AI|DeepL|DeepMind|Deep\ Research|DeepResearch|DeepSeek|Devin|Diffbot|Dolma|Doubao\ AI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (DuckAssistBot|DuckDuckGo\ Chat|DuckDuckGo-Enhanced|Echobot|Echobox|Elixir|FacebookBot|FacebookExternalHit|Factset|Falcon|FIRE-<span class="hljs-number">1</span>|Firebase|Firecrawl|Flyriver|Frase\ AI|FriendlyCrawler|Gato|Gemini|Gemma|Gen\ AI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (GenAI|Generative|Genspark|Gentoo-chat|Ghostwriter|GigaChat|GLM|GodMode|Goose|GPT|Grammarly|Grendizer|Grok|Groq|GT\ Bot|GTBot|GTP|Hemingway\ Editor|Hetzner|Hugging)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Hunyuan|Hybrid\ Search\ RAG|Hypotenuse\ AI|iAsk|IbouBot|ICC-Crawler|Ideogram|ImageGen|Imagen|ImagesiftBot|ImageSpider|img2dataset|imgproxy|INK\ Editor|INKforall|Instructor|IntelliSeek|Inferkit|ISSCyberRiskCrawler|Janitor\ AI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Jasper|Jenni\ AI|Julius\ AI|Kafkai|Kaggle|Kangaroo|Keyword\ Density\ AI|Kimi|Klaviyo|Knowledge|KomoBot|Kruti|KunatoCrawler|LAIONDownloader|LangChain|Langfuse|Language\ AI|Le\ Chat|Lensa|Leonardo)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Lightpanda|LightRAG|LinerBot|LinkupBot|LLaMA|LCC|LLM|Local\ RAG\ Agent|Lovable|Magistral|magpie-crawler|MAI-Image|Manus|MarketMuse|MBZUAI|Meltwater|Meta-AI|Meta-External|Meta-Webindexer|Meta\ AI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (MetaAI|MetaTagBot|Middleware|Midjourney|Mini\ AGI|MiniMax|Mintlify|Mistral|Mixtral|model-training|Molmo|Monica|Nano|Narrative|NeevaBot|netEstate|Neural\ Text|NeuralSEO|NinjaAI|NodeZero)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (NotebookLM|Nova\ Act|NovaAct|Nytheon|OAI-SearchBot|OAI\ SearchBot|OASIS|Olivia|OLM|Omgili|Onyx|Open\ AI|Open\ Interpreter|OpenAGI|OpenAI|OpenBot|OpenInterpreter|OpenPi|OpenRouter|OpenText\ AI)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Operator|Outwrite|OVHcloud|Owlin|Page\ Analyzer\ AI|PaLM\ <span class="hljs-number">2</span>|PanguBot|Panscient|Paperlibot|Paraphraser\.io|peer39_crawler|Perflexity|Perplexity|Petal|Phind|PiplBot|Pixmo|Playwright|PoeBot|PoeSearchBot)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Poggio|Poseidon|ProWritingAid|Proximic|PulsarRPA|Puppeteer|Python\ AI|Python\ lxml|PyTorch|Qualified|Quark|QuillBot|Qopywriter|Qwen|RAG\ Agent|RAG\ Azure\ AI|RAG\ Chatbot|RAG\ Database|RAG\ IS|RAG\ Pipeline)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (RAG\ Search|RAG\ with|RAG-|RAG_|Raptor|React\ Agent|Reasoning|Redis\ AI\ RAG|Reka\ Flash|Replicate|RobotSpider|RunPod|Rytr|SaplingAI|SBIntuitionsBot|Scala|Scalenut|Scrap|ScriptBook|Seekr)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (SEObot|SEO\ Content\ Machine|SEO\ Robot|SemrushBot|Sentibot|Serper|ShapBot|Sidetrade|Simplified\ AI|Sitefinity|Skydancer|Skyvern|SlickWrite|SmartBot|Sonic|Sora|Spider/<span class="hljs-number">2</span>|SpiderCreator|Spin\ Rewrite|Spinbot)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Stability|Stable\ Diffusion|StableDiffusionBot|Stagehand|Stealth|Sudowrite|SummalyBot|Super\ Agent|Superagent|SuperAGI|Surfer\ AI|Taiko|TavilyBot|TerraCotta|Text\ Blaze|TextCortex|Thinkbot|Thordata|TikTokSpider|Timpibot)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Tinybird|Together|Traefik|Tulu|Tülu|TurnitinBot|TwinAgent|uAgents|UI-TARS|VelenPublicWebCrawler|Venus\ Chub\ AI|Vidnami\ AI|Vision\ RAG|WARDBot|WebSurfer|WebText|WebVoyager|Webzio|WeChat|Whisper)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (WordAI|Wordtune|WPBot|Writecream|WriterZen|Writescope|Writesonic|WRTNBot|xAI|Xanthorox|xBot|XLNet|YaK|YaML|YandexAdditional|YouBot|Zanista|Zendesk|Zero|Zhipu)<span class="hljs-meta"> [NC,OR]</span>
	<span class="hljs-attribute">RewriteCond</span> <span class="hljs-variable">%{HTTP_USER_AGENT}</span> (Zhuque\ AI|Zimm)<span class="hljs-meta"> [NC]</span>

	<span class="hljs-attribute">RewriteRule</span> (.*) -<span class="hljs-meta"> [F,L]</span>

<span class="hljs-section">&lt;/IfModule&gt;</span></code></pre>
<div class="popout"><strong>Important:</strong> Remember to test well before going live. You can use a free user-agent request tool to make requests posing as various AI bots.</div>
<h2 id="block-ai-nginx">Block AI Bots via Nginx</h2>
<p>As with the previous <a href="#block-ai-via-apache" title="Go to Apache rules">Apache rules</a>, you can go beyond robots.txt and actually <strong>enforce</strong>
 the “Ultimate AI Block List”, by adding the following rules to your 
Nginx configuration file. Like Apache, Nginx directives operate at the 
server level. So while bots may ignore rules added via <a href="#block-ai-via-robots">robots.txt</a>, they can’t ignore rules added via Nginx configuration (unless they falsify their user agent).</p>
<p>To block AI bots via Nginx, add the following rules to your main 
server configuration file. Before making any changes, be on the safe 
side and make a backup of your files. Just in case something unexpected 
happens, you can easily roll back. That in mind, here are the 
Nginx-formatted rules to block AI bots..</p>
<blockquote><p>Blocks over 700+ AI bots and user agents.</p></blockquote>
<h3>Block list for Nginx</h3>
<p>Before using, read the <a href="#notes" title="Scroll down to Notes">Notes</a> and <a href="#disclaimer" title="Scroll down to Disclaimer">Disclaimer</a>.</p>
<pre class="language-apache"><code data-highlighted="yes" class="hljs language-apache"><span class="hljs-comment"># Ultimate AI Block List v1.8 20260105</span>
<span class="hljs-comment"># https://perishablepress.com/ultimate-ai-block-list/</span>

<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(\.ai|-ai|_ai|ai\.|ai-|ai_|ai=|AddSearchBot|Agentic|AgentQL|Agent\ 3|Agent\ API|Agent-|AI\ Agent|AI\ Article\ Writer|AI\ Assistant|AI\ Chat|AI\ Content\ Detector|AI\ Detection|AI\ Dungeon)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(AI\ Journalist|AI\ Legion|AI\ RAG|AI\ Search|AI\ SEO\ Crawler|AI\ Training|AI\ Web|AI\ Writer|AI2|AIBot|aiHitBot|AIMatrix|Airesearch|AISearch|AITraining|Alexa|Alice\ Yandex|AliGenie|AliyunSec|Alpha\ AI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(AlphaAI|Amazon|Amelia|AndersPinkBot|AndiBot|Anomura|Anonymous\ AI|Anthropic|AnyPicker|Anyword|Applebot|Aria\ AI|Aria\ Browse|Articoolo|Ask\ AI|Atlassian|AutoGen|Automated\ Writer|AutoML|Autonomous\ RAG)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(AutoRAG|Awario|AWS\ Trainium|Azure|BabyAGI|BabyCatAGI|BardBot|Basic\ RAG|Bedrock|Big\ Sur|Bigsur|Botsonic|Brightbot|Browser\ MCP\ Agent|Browser\ Use|BuddyBot|Bytebot|ByteDance|Bytespider|CarynAI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(CatBoost|CC-Crawler|CCBot|Chai|Channel3Bot|Character|Charstar\ AI|Chatbot|Chatsonic|ChatUser|Chinchilla|Claude|ClearScope|Clearview|Cognitive\ AI|Cohere|Common\ Crawl|CommonCrawl|Compass|Content\ Harmony)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Content\ King|Content\ Optimizer|Content\ Samurai|ContentAtScale|ContentBot|Contentedge|ContentShake|Conversion\ AI|Copilot|CopyAI|Copymatic|Copyscape|CoreWeave|Corrective\ RAG|Cotoyogi|CRAB|Crawl4AI|CrawlQ\ AI|Crawlspace|Crew\ AI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(CrewAI|Crushon\ AI|Cypex|DALL-E|DarkBard|DarkBERT|DataFor|DataProvider|Datenbank\ Crawler|DeepAI|Deep\ AI|DeepL|DeepMind|Deep\ Research|DeepResearch|DeepSeek|Devin|Diffbot|Dolma|Doubao\ AI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(DuckAssistBot|DuckDuckGo\ Chat|DuckDuckGo-Enhanced|Echobot|Echobox|Elixir|FacebookBot|FacebookExternalHit|Factset|Falcon|FIRE-1|Firebase|Firecrawl|Flyriver|Frase\ AI|FriendlyCrawler|Gato|Gemini|Gemma|Gen\ AI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(GenAI|Generative|Genspark|Gentoo-chat|Ghostwriter|GigaChat|GLM|GodMode|Goose|GPT|Grammarly|Grendizer|Grok|Groq|GT\ Bot|GTBot|GTP|Hemingway\ Editor|Hetzner|Hugging)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Hunyuan|Hybrid\ Search\ RAG|Hypotenuse\ AI|iAsk|IbouBot|ICC-Crawler|Ideogram|ImageGen|Imagen|ImagesiftBot|ImageSpider|img2dataset|imgproxy|INK\ Editor|INKforall|Instructor|IntelliSeek|Inferkit|ISSCyberRiskCrawler|Janitor\ AI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Jasper|Jenni\ AI|Julius\ AI|Kafkai|Kaggle|Kangaroo|Keyword\ Density\ AI|Kimi|Klaviyo|Knowledge|KomoBot|Kruti|KunatoCrawler|LAIONDownloader|LangChain|Langfuse|Language\ AI|Le\ Chat|Lensa|Leonardo)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Lightpanda|LightRAG|LinerBot|LinkupBot|LLaMA|LCC|LLM|Local\ RAG\ Agent|Lovable|Magistral|magpie-crawler|MAI-Image|Manus|MarketMuse|MBZUAI|Meltwater|Meta-AI|Meta-External|Meta-Webindexer|Meta\ AI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(MetaAI|MetaTagBot|Middleware|Midjourney|Mini\ AGI|MiniMax|Mintlify|Mistral|Mixtral|model-training|Molmo|Monica|Nano|Narrative|NeevaBot|netEstate|Neural\ Text|NeuralSEO|NinjaAI|NodeZero)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(NotebookLM|Nova\ Act|NovaAct|Nytheon|OAI-SearchBot|OAI\ SearchBot|OASIS|Olivia|OLM|Omgili|Onyx|Open\ AI|Open\ Interpreter|OpenAGI|OpenAI|OpenBot|OpenInterpreter|OpenPi|OpenRouter|OpenText\ AI)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Operator|Outwrite|OVHcloud|Owlin|Page\ Analyzer\ AI|PaLM\ 2|PanguBot|Panscient|Paperlibot|Paraphraser\.io|peer39_crawler|Perflexity|Perplexity|Petal|Phind|PiplBot|Pixmo|Playwright|PoeBot|PoeSearchBot)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Poggio|Poseidon|ProWritingAid|Proximic|PulsarRPA|Puppeteer|Python\ AI|Python\ lxml|PyTorch|Qualified|Quark|QuillBot|Qopywriter|Qwen|RAG\ Agent|RAG\ Azure\ AI|RAG\ Chatbot|RAG\ Database|RAG\ IS|RAG\ Pipeline)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(RAG\ Search|RAG\ with|RAG-|RAG_|Raptor|React\ Agent|Reasoning|Redis\ AI\ RAG|Reka\ Flash|Replicate|RobotSpider|RunPod|Rytr|SaplingAI|SBIntuitionsBot|Scala|Scalenut|Scrap|ScriptBook|Seekr)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(SEObot|SEO\ Content\ Machine|SEO\ Robot|SemrushBot|Sentibot|Serper|ShapBot|Sidetrade|Simplified\ AI|Sitefinity|Skydancer|Skyvern|SlickWrite|SmartBot|Sonic|Sora|Spider/2|SpiderCreator|Spin\ Rewrite|Spinbot)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Stability|Stable\ Diffusion|StableDiffusionBot|Stagehand|Stealth|Sudowrite|SummalyBot|Super\ Agent|Superagent|SuperAGI|Surfer\ AI|Taiko|TavilyBot|TerraCotta|Text\ Blaze|TextCortex|Thinkbot|Thordata|TikTokSpider|Timpibot)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Tinybird|Together|Traefik|Tulu|Tülu|TurnitinBot|TwinAgent|uAgents|UI-TARS|VelenPublicWebCrawler|Venus\ Chub\ AI|Vidnami\ AI|Vision\ RAG|WARDBot|WebSurfer|WebText|WebVoyager|Webzio|WeChat|Whisper)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(WordAI|Wordtune|WPBot|Writecream|WriterZen|Writescope|Writesonic|WRTNBot|xAI|Xanthorox|xBot|XLNet|YaK|YaML|YandexAdditional|YouBot|Zanista|Zendesk|Zero|Zhipu)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}
<span class="hljs-attribute">if</span> ($http_user_agent ~* <span class="hljs-string">"(Zhuque\ AI|Zimm)"</span>) {
	<span class="hljs-attribute">return</span> <span class="hljs-number">403</span>;
}</code></pre>
<div class="popout"><strong>Important:</strong> Remember to test well before going live. You can use a free user-agent request tool to make requests posing as various AI bots.</div>
<h2 id="block-ai-text">Download plain-text list</h2>
<p>Here is a plain-text version of the list. This list contains only the user-agent names, nothing else :)</p>
<div id="simple-download-counter-20980" class="simple-download-counter download"><a class="simple-download-counter-link" href="https://perishablepress.com/sdc_download/20980/?key=9z062am59ioub8ses5brw71d7k4nii" title="896 downloads">Download Ultimate Block List for AI Bots</a><span class="simple-download-counter-after">Version <span class="simple-download-counter-version">1.8</span> ( <span class="simple-download-counter-size">3.96 KB</span> <span class="simple-download-counter-ext">TXT</span> )</span></div>
<h2 id="notes">Notes</h2>
<p><strong>Note:</strong> The four block lists above (robots.txt, 
Apache, Nginx, and Plain Text) are synchronized and include/block the 
same set of AI bots.</p>
<p><strong>Note:</strong> Numerous user agents are omitted from the 
block lists because the names are matched in wild-card fashion. Here is a
 list showing <a target="_blank" href="https://perishablepress.com/blacklist/ai-bots-wild-card-blocked.txt" title="Text file opens new tab or window">wild-card blocked AI bots</a>.</p>
<p><strong>Note:</strong> The block lists focus on AI-related bots. Some
 of those bots are used by giant corporations like Apple, Amazon, and 
Facebook. So please keep this in mind and feel free to remove any bots 
that you think should be allowed access to your site. Also be sure to 
check the list of <a target="_blank" href="https://perishablepress.com/blacklist/ai-bots-wild-card-blocked.txt" title="Text file opens new tab or window">wild-card blocked AI bots</a>.</p>
<p><strong>Note:</strong> Each of the differently formatted block lists 
are case-insensitive. The robots.txt rules are case-insensitive by 
default, the Apache rules are case-insensitive due to the inclusion of 
the <code>[NC]</code> flag, and the Nginx rules are case-insensitive due to the tilde and asterisk <code>~*</code>. So don’t worry about mixed-case bot names, their user agents will be blocked, whether uppercase, lowercase, or mIxeD cAsE.</p>
<p><strong>Note:</strong> If you don’t care about search results, you 
can add the following rules to your robots.txt file. All search-related 
AI bots were removed from the block list in version 1.4 (see <a href="#changelog" title="Jump to Changelog">changelog</a> below). Include the following only if you want to block major search engines like Bing, Google, and DuckDuckGo.</p>
<pre class="language-plaintext"><code data-highlighted="yes" class="hljs language-plaintext">User-agent: Apple
User-agent: BingAI
User-agent: Bingbot-chat
User-agent: Bravebot
User-agent: Duck
User-agent: Google Bard AI
User-agent: Google-CloudVertexBot
User-agent: Google-Extended
User-agent: Google Gemini
User-agent: GoogleOther
User-agent: MSBot</code></pre>
<div class="popout"><strong>Learn more:</strong> According to <a href="https://developers.google.com/crawling/docs/robots-txt/robots-txt-spec?hl=en#user-agent" title="How Google interprets the robots.txt specification" target="_blank">Google documentation</a>, the value of the user-agent line (in robots.txt) is case-insensitive.</div>
<h2 id="changelog">Changelog</h2>
<p><strong>Tip:</strong> The changelog below features the main changes like an overview, it does <em>not</em>
 chronicle every change to patterns, bots, details, and so forth. You 
can use a free online tool to compare block lists with previous 
versions, so you can figure out which bots have been added, removed, and
 other changes, etc.</p>
<h3>v1.8 <span style="font-weight:normal;font-size:80%;">– 2026/01/05</span></h3>
<ul>
<li>Removes Flux</li>
<li>Consolidates GLM bots</li>
<li>Consolidates Awario bots</li>
<li>Adds 60+ new patterns, matching many more user agents</li>
<li>Streamlines numerous patterns, removes some patterns</li>
<li>Improves pattern matching for more accurate blocking and better performance</li>
<li>Updates the <a href="https://perishablepress.com/blacklist/ai-bots-wild-card-blocked.txt" title="Text file opens new tab or window" target="_blank">wild-card blocked AI bots</a> plain-text list</li>
</ul>
<h3>v1.7 <span style="font-weight:normal;font-size:80%;">– 2025/09/24</span></h3>
<ul>
<li>Removes Apple, adds Applebot</li>
<li>Removes Brave Leo (Brave Browser Search)</li>
<li>Adds 65 new patterns, matching many more user agents</li>
<li>Streamlines numerous patterns, removes some patterns</li>
<li>Improves pattern matching for more accurate blocking and better performance</li>
<li>Updates the <a target="_blank" href="https://perishablepress.com/blacklist/ai-bots-wild-card-blocked.txt" title="Text file opens new tab or window">wild-card blocked AI bots</a> plain-text list</li>
</ul>
<h3>v1.6 <span style="font-weight:normal;font-size:80%;">– 2025/07/18</span></h3>
<ul>
<li>Adds <strong>many</strong> new AI bots/patterns</li>
<li>Makes better use of wildcard matching to streamline the list while keeping false positives near zero</li>
<li>Adds robots.txt rules to allow all other bots full access</li>
<li>Improves alphabetization and formatting</li>
<li>Replaces AI2Bot and AI2 Labs with AI2</li>
<li>Replaces all specific Amazon bot names with Amazon</li>
<li>Replaces Applebot with Apple</li>
<li>Replaces LLMs with LLM</li>
<li>Replaces WormsGTP with GTP</li>
<li>Replaces Zero GTP and Zerochat with Zero</li>
</ul>
<h3>v1.5 <span style="font-weight:normal;font-size:80%;">– 2025/06/03</span></h3>
<ul>
<li>Adds Applebot</li>
<li>Changes Phindbot to Phind</li>
<li>Changes AI Search Engine to AI Search</li>
<li>Adds: AI Chat, ai-proxy, aiHitBot, AndiBot, AutoGLM, AutoML, 
BabyAGI, Brightbot, chatbot, Factset, imgproxy, Lensa, Lightpanda, 
Manus, Monica, NovaAct, Puppeteer, Qualified, Qwen, SemrushBot, 
TikTokSpider, Traefik, VelenPublicWebCrawler, YaML</li>
</ul>
<h3>v1.4 <span style="font-weight:normal;font-size:80%;">– 2025/04/17</span></h3>
<ul>
<li>Removes Applebot</li>
<li>Removes all 2 Bing agents</li>
<li>Removes all 4 Google agents</li>
<li>Changes PerplexityBot to Perplexity</li>
<li>Adds: Azure, Falcon, Genspark, GLM, ImageGen, Knowledge, LLMs, Nova Act, Operator, Sitefinity, Sonic, Super Agent, Zhipu</li>
<li>To restore blocking of search-related AI bots, check the <a href="#notes" title="Jump to Notes">notes</a> above for a list</li>
</ul>
<h3>Previous versions</h3>
<ul>
<li><strong>Version 1.3</strong> – 2025/03/10 – Adds more AI bots, refines list to make better use of wild-card pattern matching of user-agent names.</li>
<li><strong>Version 1.2</strong> – 2025/02/12 – Adds 73 AI bots (Thanks to Robert DeVore)</li>
<li><strong>Version 1.1</strong> – 2025/02/11 – Replaces <code>REQUEST_URI</code> with <code>HTTP_USER_AGENT</code></li>
<li><strong>Version 1.0</strong> – 2025/02/11 – Initial release.</li>
</ul>
<h2 id="disclaimer">Disclaimer</h2>
<p>The information shared on this page is provided “as-is”, with the intention of helping people protect their sites against <abbr title="Artificial Intelligence">AI</abbr>
 bots. The two block lists (robots.txt and Apache/.htaccess) are 
open-source and free to use and modify without condition. By using 
either block list, you assume all risk and responsibility for anything 
that happens. So use wisely, test thoroughly, and enjoy the benefits of 
my work :)</p>
<h2 id="support">Support my work</h2>
<p>I spend countless hours digging through server logs, researching user
 agents, and compiling block lists to stop AI and other unwanted bots. I
 share my work freely with the hope that it will help make the Web a 
more secure place for everyone.</p>
<p>If you benefit from my work and want to show support, please <a href="https://monzillamedia.com/donate.html" title="My donation page at Monzilla Media" target="_blank">make a donation</a> or buy one of my <a href="https://books.perishablepress.com/" title="Perishable Press Bookstore">books</a>, such as <a href="https://htaccessbook.com/" title=".htaccess made easy" target="_blank">.htaccess made easy</a>. You’ll get a complete guide to .htaccess and a ton of awesome techniques for optimizing and securing your site.</p>
<p>Of course, tweets, likes, links, and shares also are super helpful 
and very much appreciated. Your generous support enables me to continue 
developing AI block lists and other awesome resources for the community.
 Thank you kindly :)</p>
<div class="popout"><strong>Show support!</strong> <a href="https://m0n.co/donate" target="_blank">Donate via PayPal</a>, <a href="https://m0n.co/donate-stripe" title="Donate via Stripe" target="_blank">Stripe</a>, or your favorite <a href="https://monzillamedia.com/donate.html" target="_blank">digital coin</a>&nbsp;»</div>
<h2 id="references">References</h2>
<p>Thanks to the following resources for sharing their work with identifying and blocking AI bots.</p>
<ul>
<li><a href="https://darkvisitors.com/agents" target="_blank">Dark Visitors ▸ Agents</a></li>
<li><a href="https://ethanmarcotte.com/wrote/blockin-bots/" target="_blank">Blockin’ bots.</a></li>
<li><a href="https://neil-clarke.com/block-the-bots-that-feed-ai-models-by-scraping-your-website/" target="_blank">Block the Bots that Feed AI Models by Scraping Your Website</a></li>
<li><a href="https://coryd.dev/posts/2024/go-ahead-and-block-ai-web-crawlers" target="_blank">Go ahead and block AI web crawlers</a></li>
<li><a href="https://roelant.net/en/2023/im-blocking-ai-crawlers/" target="_blank">I’m blocking AI-crawlers</a></li>
<li><a href="https://github.com/tinaponting/ai-robots-scrapers" target="_blank">GitHub ▸ Tina Ponting’s AI Robots + Scrapers</a></li>
<li><a href="https://github.com/robertdevore/block-ai-crawlers" target="_blank">GitHub ▸ Robert DeVore’s Block AI Crawlers</a></li>
<li><a href="https://github.com/ai-robots-txt/ai.robots.txt" target="_blank">GitHub ▸ ai.robots.txt</a></li>
<li><a href="https://platform.openai.com/docs/bots" target="_blank">Overview of OpenAI Crawlers</a></li>
<li><a href="https://pirg.org/edfund/resources/how-to-stop-your-data-from-being-used-for-ai-training/" target="_blank">How to stop your data from being used for AI training</a></li>
<li><a href="https://www.searchenginejournal.com/how-to-block-chatgpt-from-using-your-website-content/478384/" target="_blank">How to Block OpenAI ChatGPT From Using Your Website Content</a></li>
<li><a href="https://arstechnica.com/tech-policy/2025/01/ai-haters-build-tarpits-to-trap-and-trick-ai-scrapers-that-ignore-robots-txt/" target="_blank">AI haters build tarpits to trap and trick AI scrapers</a></li>
<li><a href="https://originality.ai/ai-bot-blocking" target="_blank">Block AI Bots from Crawling Websites Using Robots.txt</a></li>
<li><a href="https://underlap.org/blocking-ai-web-crawlers" target="_blank">Blocking AI web crawlers</a></li>
<li><a href="https://uisce.eu/understanding-the-bots-blocked-by-ai-scrape-protect/" target="_blank">Understanding the Bots Blocked by AI Scrape Protect</a></li>
<li><strong data-url="https://rarechrisclark.com/blog/ai-website-crawlers/" data-date="20251003" title="404 link removed">Understanding and Blocking Abusive AI Website Crawlers</strong></li>
<li><a href="https://www.abuseipdb.com/" target="_blank">Abusive IP Database</a></li>
<li><a href="https://lablab.ai/apps" target="_blank">Discover AI applications</a></li>
<li><a href="https://perishablepress.com/block-bad-bots/">Perishable Press ▸ How to Block Bad Bots</a></li>
<li><a href="https://perishablepress.com/tag/apache/">Perishable Press ▸ Apache Archive</a></li>
<li><a href="https://perishablepress.com/category/web-design/htaccess/">Perishable Press ▸ .htaccess Archive</a></li>
<li><a href="https://perishablepress.com/tag/blacklist/">Perishable Press ▸ Blacklist Archive</a></li>
<li><a href="https://perishablepress.com/tag/bots/">Perishable Press ▸ Bots Archive</a></li>
<li><a href="https://perishablepress.com/tag/ng/">Perishable Press ▸ nG Firewall Archive</a></li>
</ul>
<h2 id="feedback">Feedback</h2>
<p>Got more? Leave a comment below with your favorite AI bots to block. Or send privately via my <a href="https://perishablepress.com/contact/">contact form</a>. Cheers! :)</p>
<p><!--authenticate--></p>
	
	<div class="post-tags t2"><a href="https://perishablepress.com/tag/ai/" title="More posts with this tag">ai</a> <a href="https://perishablepress.com/tag/apache/" title="More posts with this tag">apache</a> <a href="https://perishablepress.com/tag/blacklist/" title="More posts with this tag">blacklist</a> <a href="https://perishablepress.com/tag/bots/" title="More posts with this tag">bots</a> <a href="https://perishablepress.com/tag/robots/" title="More posts with this tag">robots</a></div>	
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	<h2>56 responses to “Ultimate Block List to Stop AI Bots”</h2>
	
	<ol class="comments-list">	
	<li class="comment even thread-even depth-1" id="comment-138849">
		<div class="comment-wrap box">
			<div class="comment-avatar">
				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_018.webp" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar.webp 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
			<div class="comment-content">
				<div class="comment-meta t2">
					<strong class="comment-author"><a href="https://dkeu.de/" class="url" rel="ugc external nofollow" target="_blank">David</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-138849" title="Permalink">2025/02/11 10:25 pm</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=138849#respond" data-commentid="138849" data-postid="20932" data-belowelement="comment-text-138849" data-respondelement="respond" data-replyto="Reply to David" aria-label="Reply to David">Reply</a>					</span>
				</div>
								<div class="comment-text t2" id="comment-text-138849"><p>Super 
cool! Thank you so much for your tireless work with the nG firewall and 
now this very comprehensive AI user agent blocking list. I tried to 
recognize and block the bots one by one, but there were obviously still 
many missing.</p>
</div>
			</div>
		</div>
		
</li><!-- #comment-## -->
	
	<li class="comment odd alt thread-odd thread-alt depth-1" id="comment-138866">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/895cd8089740cdb84bf91e910e4f2f748147c60b91a7973b443846c_002.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/895cd8089740cdb84bf91e910e4f2f748147c60b91a7973b443846c11a7.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
			<div class="comment-content">
				<div class="comment-meta t2">
					<strong class="comment-author"><a href="https://automatio.ai/" class="url" rel="ugc external nofollow" target="_blank">Stefan Smiljkovic</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-138866" title="Permalink">2025/02/13 8:53 pm</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=138866#respond" data-commentid="138866" data-postid="20932" data-belowelement="comment-text-138866" data-respondelement="respond" data-replyto="Reply to Stefan Smiljkovic" aria-label="Reply to Stefan Smiljkovic">Reply</a>					</span>
				</div>
								<div class="comment-text t2" id="comment-text-138866"><p>This 
block list is solid for keeping AI bots out, but with how fast AI is 
evolving, do you think blocking them entirely is the best long-term 
move? </p>
<p>Some bots might be scraping content, but others could be indexing 
sites in ways that drive traffic. Is there a case for selectively 
allowing certain AI bots while blocking the rest?</p>
</div>
			</div>
		</div>
		
<ul class="children">
	
	<li class="comment byuser comment-author-perish bypostauthor even depth-2" id="comment-138869">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_003.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_002.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-138869" title="Permalink">2025/02/14 6:56 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=138869#respond" data-commentid="138869" data-postid="20932" data-belowelement="comment-text-138869" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-138869"><p>“..do you think blocking them entirely is the best long-term move?”</p>
<p>Good question. Trying to plan “long-term” is folly given “how fast AI
 is evolving”. Literally anything can happen. As mentioned in the intro,
 this post is not about arguing pros and cons; it’s for people who want 
to block AI bots like <strong>now</strong>. Long-term yes, resistance (probably) is futile. Short-term you can block a lot of them with just a few clicks.</p>
<p>“Is there a case for selectively allowing certain AI bots while blocking the rest?”</p>
<p>Technically speaking, you can do that with either robots.txt or <a href="https://perishablepress.com/invite-only-visitor-exclusivity-via-the-opt-in-method/" title="Invite Only: Traffic Control via Whitelist" rel="ugc">Apache/.htaccess</a>
 (and other languages I’m sure). As for whether or not it makes sense 
for any given site, depends on myriad factors. So not a 
one-size-fits-all strategy imo.</p>
<p>Note: I edited my original reply after giving it more thought.</p>
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	<li class="comment odd alt thread-even depth-1" id="comment-138895">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_016.webp" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_005.webp 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author"><a href="https://wptechguru.com/" class="url" rel="ugc external nofollow" target="_blank">Frank Gomez</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-138895" title="Permalink">2025/02/17 6:14 am</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=138895#respond" data-commentid="138895" data-postid="20932" data-belowelement="comment-text-138895" data-respondelement="respond" data-replyto="Reply to Frank Gomez" aria-label="Reply to Frank Gomez">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-138895"><p>Thanks 
Jeff, Longtime fan here. I appreciate your ongoing contributions to a 
safer internet. I appreciate the extensive notes here too. I’ll be 
implementing these minus Google-Extended and see what happens.</p>
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	<li class="comment even thread-odd thread-alt depth-1" id="comment-139032">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_014.webp" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_009.webp 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author">Prince</strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-139032" title="Permalink">2025/02/27 9:20 pm</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=139032#respond" data-commentid="139032" data-postid="20932" data-belowelement="comment-text-139032" data-respondelement="respond" data-replyto="Reply to Prince" aria-label="Reply to Prince">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-139032"><p>Jeff, thanks a lot for your great work. Appreciate very much your efforts.</p>
<p>I want to ask you if we can apply both, robots.txt and .htaccess 
lists, to strengthen security. Or only one of the two needs to be 
installed.</p>
<p>Again, thanx a lot Jeff!</p>
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	<li class="comment byuser comment-author-perish bypostauthor odd alt depth-2" id="comment-139036">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_003.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_002.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-139036" title="Permalink">2025/02/28 6:25 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=139036#respond" data-commentid="139036" data-postid="20932" data-belowelement="comment-text-139036" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-139036"><p>Hi 
Prince, yes you can install both although it’s kind of unnecessary. The 
robots file isn’t going to stop anything that’s not blocked via 
Apache/.htaccess, but the converse isn’t true: the .htaccess rules will 
stop any listed bots that choose to ignore robots rules.</p>
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	<li class="comment even thread-even depth-1" id="comment-139058">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_011.webp" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_007.webp 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author">Prince</strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-139058" title="Permalink">2025/03/01 2:56 am</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=139058#respond" data-commentid="139058" data-postid="20932" data-belowelement="comment-text-139058" data-respondelement="respond" data-replyto="Reply to Prince" aria-label="Reply to Prince">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-139058"><p>Thanks a lot Jeff for your patience</p>
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	<li class="comment odd alt thread-odd thread-alt depth-1" id="comment-139093">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/7a0d0e4af5589220ca74e07f3f30d0cb9d0ebc0ac4da583a420e1bd_002.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/7a0d0e4af5589220ca74e07f3f30d0cb9d0ebc0ac4da583a420e1bda066.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author">Rick Beckman</strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-139093" title="Permalink">2025/03/03 6:52 pm</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=139093#respond" data-commentid="139093" data-postid="20932" data-belowelement="comment-text-139093" data-respondelement="respond" data-replyto="Reply to Rick Beckman" aria-label="Reply to Rick Beckman">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-139093"><p>I’ve been using a small block list that I’ve put together to achieve this, so I’m glad to see this larger list. </p>
<p>But I’ve also seen people using a tool that they can direct AI bots 
to which catches them in a link loop, loading page after page of 
nonsense text that is close to seeming like real human text but is just 
generated gobbledygook. I love the idea of this, but have no idea how to
 build it.</p>
<p>It’s similar to the honey pots that Project Honeypot facilitates for 
spam bots — giving them thousands of fake emails, making their harvested
 lists bloated. I want to poison the well of AI. (Although, in doing so,
 it may force the devs of said bots to improve teh whole thing, causing 
AI bot evolution rather than being a true hurdle. Huh… Well, maybe I 
just talked myself out of this idea. Ah well.</p>
<p>Thanks for your list, Jeff!</p>
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	<li class="comment byuser comment-author-perish bypostauthor even depth-2" id="comment-139101">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_003.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_002.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-139101" title="Permalink">2025/03/04 6:35 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=139101#respond" data-commentid="139101" data-postid="20932" data-belowelement="comment-text-139101" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-139101"><p>Hey 
Rick, yes you’re referring to “tarpits”, a fun way to confuse and trap 
bots in an endless maze of nonsense. I posted about it on Mastodon <a href="https://mastodon.social/@perishable/113997480078954392" title="Tarpits post on Mastodon social media" rel="nofollow ugc" target="_blank">here</a>
 for anyone else who may be interested. Tarpits take some time to 
setup/configure and chew up a LOT of server resources, but certainly are
 a fun way to pass some time :)</p>
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	<li class="comment odd alt thread-even depth-1" id="comment-140366">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_017.webp" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_002.webp 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author">Lubo</strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-140366" title="Permalink">2025/05/06 1:02 am</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=140366#respond" data-commentid="140366" data-postid="20932" data-belowelement="comment-text-140366" data-respondelement="respond" data-replyto="Reply to Lubo" aria-label="Reply to Lubo">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-140366"><p>Hi, Jeff. Can we have list from v1.3 (Apache/.htaccess) plus new bots added from v1.4?</p>
<p>Thanks.</p>
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	<li class="comment byuser comment-author-perish bypostauthor even depth-2" id="comment-140376">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_003.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_002.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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				<div class="comment-meta t2">
					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-140376" title="Permalink">2025/05/06 4:37 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=140376#respond" data-commentid="140376" data-postid="20932" data-belowelement="comment-text-140376" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-140376"><p>Hi Lubo, I can post a link to v1.3, then you can use a diff tool to get the changes, if that works?</p>
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	<li class="comment odd alt depth-3" id="comment-140379">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_017.webp" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_002.webp 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author">Lubo</strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-140379" title="Permalink">2025/05/06 6:34 am</a> 
												 
											</span>
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								<div class="comment-text t2" id="comment-text-140379"><p>It will be ok. Thanks.</p>
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	<li class="comment byuser comment-author-perish bypostauthor even depth-3" id="comment-140428">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_003.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_002.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-140428" title="Permalink">2025/05/07 8:58 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
											</span>
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								<div class="comment-text t2" id="comment-text-140428"><p>Here is previous version (1.3) in both <a href="https://perishablepress.com/downloads/block-ai-bots-v1.3-robots.txt" rel="ugc" target="_blank">robots.txt</a> and <a href="https://perishablepress.com/downloads/block-ai-bots-v1.3-apache.txt" rel="ugc" target="_blank">Apache/.htaccess</a> flavors.</p>
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	<li class="comment odd alt thread-odd thread-alt depth-1" id="comment-141488">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_012.webp" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/avatar_004.webp 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author">Hi</strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141488" title="Permalink">2025/07/21 10:41 pm</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141488#respond" data-commentid="141488" data-postid="20932" data-belowelement="comment-text-141488" data-respondelement="respond" data-replyto="Reply to Hi" aria-label="Reply to Hi">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141488"><p>Hi Jeff, it seems that when accessing a website from an Apple device after 1.6 htaccess update, it returns a Forbidden.</p>
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	<li class="comment byuser comment-author-perish bypostauthor even depth-2" id="comment-141497">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_003.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_002.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141497" title="Permalink">2025/07/22 6:30 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141497#respond" data-commentid="141497" data-postid="20932" data-belowelement="comment-text-141497" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
				</div>
								<div class="comment-text t2" id="comment-text-141497"><p>Get the
 specific Apple user agent and I will modify the list for the next 
update. And in the meantime, simply remove the “Apple” entry from the 
list will resolve and allow Apple (including AI bots) full accesss).</p>
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	<li class="comment odd alt thread-even depth-1" id="comment-141490">
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					<strong class="comment-author">MuP</strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141490" title="Permalink">2025/07/21 11:32 pm</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141490#respond" data-commentid="141490" data-postid="20932" data-belowelement="comment-text-141490" data-respondelement="respond" data-replyto="Reply to MuP" aria-label="Reply to MuP">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141490"><p>Hi Jeff.<br>
Thanks for this update.<br>
Guessing this will be a never ending story.<br>
—<br>
htaccess, line “RewriteCond %{HTTP_USER_AGENT} (Apple| …”<br>
“Apple” will be blocked now?<br>
“Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36”<br>
—<br>
Win11, Chrome, accessing my own site will be blocked by funny 402, hope you remember my question earlier R=402 instead of (F,L).<br>
Once deleted Apple it works well again.<br>
—<br>
Cheers</p>
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	<li class="comment byuser comment-author-perish bypostauthor even depth-2" id="comment-141498">
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				<img alt="" src="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_003.jpeg" srcset="Ultimate%20Block%20List%20to%20Stop%20AI%20Bots%20_%20Perishable%20Press_files/fc56e446225444bbcc58506a1819c812fa7b932eee3068c0ba705ad_002.jpeg 2x" class="avatar avatar-100 photo" height="100" width="100" decoding="async">			</div>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141498" title="Permalink">2025/07/22 6:35 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141498#respond" data-commentid="141498" data-postid="20932" data-belowelement="comment-text-141498" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141498"><p>Apple 
fix is on the list for the next update. I got too greedy :) For now as 
you mention simply remove “Apple” and all will be well. I don’t recall 
funny 402, remind me?</p>
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					<strong class="comment-author">MuP</strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141501" title="Permalink">2025/07/22 8:49 am</a> 
												 
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								<div class="comment-text t2" id="comment-text-141501"><p>This one is working well acc. 402 on my site:<br>
<a href="https://perishablepress.com/8g-firewall/comment-page-7/#comment-141417" rel="ugc">https://perishablepress.com/8g-firewall/comment-page-7/#comment-141417</a></p>
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	<li class="comment byuser comment-author-perish bypostauthor even depth-3" id="comment-141505">
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141505" title="Permalink">2025/07/22 11:41 am</a> 
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								<div class="comment-text t2" id="comment-text-141505"><p>Okay yes I recall that comment/code.. I guess, why 402 “Payment Required” instead of 403 “Forbidden”..?</p>
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					<strong class="comment-author">EJL</strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141494" title="Permalink">2025/07/22 5:05 am</a> 
												 
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								<div class="comment-text t2" id="comment-text-141494"><p>Hi Jeff.<br>
Thanks for the update.</p>
<p>With the change of Apple related bots to Apple, in my opinion you 
also block a Chrome browser. The Apache logging for Chrome looks like 
“Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, 
like Gecko) Chrome/138.0.0.0 Safari/537.36” and safari browsers: 
“Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 
(KHTML, like Gecko) Version/17.6 Safari/605.1.15”.<br>
At the moment I have not tested this in the .htaccess of Apache server because this. What is your opinion about this?</p>
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	<li class="comment byuser comment-author-perish bypostauthor even depth-2" id="comment-141496">
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141496" title="Permalink">2025/07/22 6:29 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141496#respond" data-commentid="141496" data-postid="20932" data-belowelement="comment-text-141496" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141496"><p>You are
 welcome to block as desired for your own sites. For this list however I
 am avoiding blocking anything related to major search engines, 
including Google Chrome. The last thing I want is for the everyone using
 Chrome to get blocked from accessing anyone’s website.</p>
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					<strong class="comment-author"><a href="https://www.netjukebox.nl/" class="url" rel="ugc external nofollow" target="_blank">Willem</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141540" title="Permalink">2025/07/25 12:45 am</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141540#respond" data-commentid="141540" data-postid="20932" data-belowelement="comment-text-141540" data-respondelement="respond" data-replyto="Reply to Willem" aria-label="Reply to Willem">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141540"><p>First 
of all thanks for compiling this list! I think that the first seven 
user-agents in the 1.6 list are to fuzzy and could create unintended 
false positives:<br>
(\.ai|-ai|_ai|ai\.|ai-|ai_|ai=|</p>
<p>By adding extra space at the beginning or end of the user-agents will
 decrease the change of false positives a lot. I hope that I have seen 
it right that the first 3 are intended as suffix and the next 4 as 
prefix:<br>
(\.ai\ |-ai\ |_ai\ |\ ai\.|\ ai-|\ ai_|\ ai=|</p>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141543" title="Permalink">2025/07/25 6:05 am</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141543#respond" data-commentid="141543" data-postid="20932" data-belowelement="comment-text-141543" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141543"><p>Thank 
you for the feedback. Can you provide any actual examples of false 
positive matching? If so, I will add the spaces as needed in the next 
update.</p>
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					<strong class="comment-author"><a href="https://www.netjukebox.nl/" class="url" rel="ugc external nofollow" target="_blank">Willem</a></strong> 
					<span class="comment-info t1">
						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141560" title="Permalink">2025/07/25 2:21 pm</a> 
												 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141560#respond" data-commentid="141560" data-postid="20932" data-belowelement="comment-text-141560" data-respondelement="respond" data-replyto="Reply to Willem" aria-label="Reply to Willem">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141560"><p>I have filterd out the regex (\.ai|-ai|_ai|ai\.|ai-|ai_|ai=) between space boundaries from an apache logfile.</p>
<p>     85 +https://openai.com/gptbot)”<br>
     18 OAI-SearchBot/1.0;<br>
     18 +https://openai.com/searchbot”<br>
     15 mai-IN)<br>
      1 mai-IN;</p>
<p>Then I get some unexpected results like “mai-IN” as part of different
 web browsers. Maybe a plugin? I don’ t have many traffic on my site so 
it could be worse.</p>
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					<strong class="comment-author"><a href="https://perishablepress.com/" class="url" rel="ugc">Jeff Starr</a></strong> 
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						<a href="https://perishablepress.com/ultimate-ai-block-list/#comment-141561" title="Permalink">2025/07/25 3:24 pm</a> 
						<span class="comment-postauthor">• Post Author</span> 						 
						 • <a rel="nofollow" class="comment-reply-link" href="https://perishablepress.com/ultimate-ai-block-list/?replytocom=141561#respond" data-commentid="141561" data-postid="20932" data-belowelement="comment-text-141561" data-respondelement="respond" data-replyto="Reply to Jeff Starr" aria-label="Reply to Jeff Starr">Reply</a>					</span>
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								<div class="comment-text t2" id="comment-text-141561"><p>Thanks.
 Most of those are AI bots so the wildcard matching is working well. For
 the “mai-IN” not sure, but will add a note about it for anyone 
concerned about “mai-IN” visitors. Let me know if you find any other 
false positives, thank you.</p>
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