Evitar que se descarguen tu web y bloquear otros crawlers desde robots.txt

Muy buen post pero me queda una duda ¿luego como habilitas el acceso del resto de robots, por ejemplo google? Por ejemplo quieres que para el resto si puedan entrar pero a la vez bloquear una url, en concreto como unirías el siguiente robots.txt con tu código anterior:

User-Agent: *
Allow: /
Allow: /rss/$
Disallow: /no_indexar.php?
Sitemap: http://www.dominio.com/sitemap.xml.gz

Gracias 🙂

Recientemente he recibido la desagrable visita de Xanu buscando un archivo en concreto para hackearme la web. Afortunadamente no uso FCK, uso otra cosa distinta que hace lo mismo.

La cuestion es que he buscado como bloquear a Xanu y me he encontrado tu post de donde he actualizado algunos bots. Te dejo una lista que tengo en mi .htaccess, seguro que mas de uno la encontrará interesante.

Se puede poner tal cual al final del archivo, si acaso corregir algo o añadir mas, se suele colocar en orden alfabético aunque eso es un detalle sin importancia.

# Block Bad Bots
RewriteCond %{HTTP_USER_AGENT} ^Aboundexbot [OR]
RewriteCond %{HTTP_USER_AGENT} ^BlackWidow [OR]
RewriteCond %{HTTP_USER_AGENT} ^Bot mailto:craftbot@yahoo.com [OR]
RewriteCond %{HTTP_USER_AGENT} ^ChinaClaw [OR]
RewriteCond %{HTTP_USER_AGENT} ^Custo [OR]
RewriteCond %{HTTP_USER_AGENT} ^DISCo [OR]
RewriteCond %{HTTP_USER_AGENT} ^DOC [OR]
RewriteCond %{HTTP_USER_AGENT} ^Download Demon [OR]
RewriteCond %{HTTP_USER_AGENT} ^Download Ninja [OR]
RewriteCond %{HTTP_USER_AGENT} ^eCatch [OR]
RewriteCond %{HTTP_USER_AGENT} ^EirGrabber [OR]
RewriteCond %{HTTP_USER_AGENT} ^EmailSiphon [OR]
RewriteCond %{HTTP_USER_AGENT} ^EmailWolf [OR]
RewriteCond %{HTTP_USER_AGENT} ^Express WebPictures [OR]
RewriteCond %{HTTP_USER_AGENT} ^ExtractorPro [OR]
RewriteCond %{HTTP_USER_AGENT} ^EyeNetIE [OR]
RewriteCond %{HTTP_USER_AGENT} ^FlashGet [OR]
RewriteCond %{HTTP_USER_AGENT} ^Fetch [OR]
RewriteCond %{HTTP_USER_AGENT} ^GetRight [OR]
RewriteCond %{HTTP_USER_AGENT} ^GetWeb! [OR]
RewriteCond %{HTTP_USER_AGENT} ^Go!Zilla [OR]
RewriteCond %{HTTP_USER_AGENT} ^Go-Ahead-Got-It [OR]
RewriteCond %{HTTP_USER_AGENT} ^GrabNet [OR]
RewriteCond %{HTTP_USER_AGENT} ^Grafula [OR]
RewriteCond %{HTTP_USER_AGENT} ^grub-client [OR]
RewriteCond %{HTTP_USER_AGENT} ^HMView [OR]
RewriteCond %{HTTP_USER_AGENT} HTTrack [NC,OR]
RewriteCond %{HTTP_USER_AGENT} ^Image Stripper [OR]
RewriteCond %{HTTP_USER_AGENT} ^Image Sucker [OR]
RewriteCond %{HTTP_USER_AGENT} Indy Library [NC,OR]
RewriteCond %{HTTP_USER_AGENT} ^InterGET [OR]
RewriteCond %{HTTP_USER_AGENT} ^Internet Ninja [OR]
RewriteCond %{HTTP_USER_AGENT} ^JetCar [OR]
RewriteCond %{HTTP_USER_AGENT} ^JOC Web Spider [OR]
RewriteCond %{HTTP_USER_AGENT} ^k2spider [OR]
RewriteCond %{HTTP_USER_AGENT} ^larbin [OR]
RewriteCond %{HTTP_USER_AGENT} ^LeechFTP [OR]
RewriteCond %{HTTP_USER_AGENT} ^libwww-perl [OR]
RewriteCond %{HTTP_USER_AGENT} ^linko [OR]
RewriteCond %{HTTP_USER_AGENT} ^Mass Downloader [OR]
RewriteCond %{HTTP_USER_AGENT} ^MIDown tool [OR]
RewriteCond %{HTTP_USER_AGENT} ^Microsoft.URL.Control [OR]
RewriteCond %{HTTP_USER_AGENT} ^Mister PiX [OR]
RewriteCond %{HTTP_USER_AGENT} ^MJ12bot [OR]
RewriteCond %{HTTP_USER_AGENT} ^MSIECrawler [OR]
RewriteCond %{HTTP_USER_AGENT} ^Navroad [OR]
RewriteCond %{HTTP_USER_AGENT} ^NearSite [OR]
RewriteCond %{HTTP_USER_AGENT} ^NetAnts [OR]
RewriteCond %{HTTP_USER_AGENT} ^NetSpider [OR]
RewriteCond %{HTTP_USER_AGENT} ^Net Vampire [OR]
RewriteCond %{HTTP_USER_AGENT} ^NetZIP [OR]
RewriteCond %{HTTP_USER_AGENT} ^NPBot [OR]
RewriteCond %{HTTP_USER_AGENT} ^Octopus [OR]
RewriteCond %{HTTP_USER_AGENT} ^Offline Explorer [OR]
RewriteCond %{HTTP_USER_AGENT} ^Offline Navigator [OR]
RewriteCond %{HTTP_USER_AGENT} ^Orthogaffe [OR]
RewriteCond %{HTTP_USER_AGENT} ^PageGrabber [OR]
RewriteCond %{HTTP_USER_AGENT} ^Papa Foto [OR]
RewriteCond %{HTTP_USER_AGENT} ^pavuk [OR]
RewriteCond %{HTTP_USER_AGENT} ^pcBrowser [OR]
RewriteCond %{HTTP_USER_AGENT} ^RealDownload [OR]
RewriteCond %{HTTP_USER_AGENT} ^ReGet [OR]
RewriteCond %{HTTP_USER_AGENT} ^sitecheck.internetseer.com [OR]
RewriteCond %{HTTP_USER_AGENT} ^SiteSnagger [OR]
RewriteCond %{HTTP_USER_AGENT} ^SmartDownload [OR]
RewriteCond %{HTTP_USER_AGENT} ^SuperBot [OR]
RewriteCond %{HTTP_USER_AGENT} ^SuperHTTP [OR]
RewriteCond %{HTTP_USER_AGENT} ^Surfbot [OR]
RewriteCond %{HTTP_USER_AGENT} ^tAkeOut [OR]
RewriteCond %{HTTP_USER_AGENT} ^Teleport Pro [OR]
RewriteCond %{HTTP_USER_AGENT} ^TurnitinBot [OR]
RewriteCond %{HTTP_USER_AGENT} ^UbiCrawler [OR]
RewriteCond %{HTTP_USER_AGENT} ^VoidEYE [OR]
RewriteCond %{HTTP_USER_AGENT} ^Web Image Collector [OR]
RewriteCond %{HTTP_USER_AGENT} ^Web Sucker [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebAuto [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebCopier [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebFetch [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebGo IS [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebLeacher [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebReaper [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebSauger [OR]
RewriteCond %{HTTP_USER_AGENT} ^Website eXtractor [OR]
RewriteCond %{HTTP_USER_AGENT} ^Website Quester [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebStripper [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebWhacker [OR]
RewriteCond %{HTTP_USER_AGENT} ^WebZIP [OR]
RewriteCond %{HTTP_USER_AGENT} ^Wget [OR]
RewriteCond %{HTTP_USER_AGENT} ^Widow [OR]
RewriteCond %{HTTP_USER_AGENT} ^WWWOFFLE [OR]
RewriteCond %{HTTP_USER_AGENT} ^Xaldon WebSpider [OR]
RewriteCond %{HTTP_USER_AGENT} ^Zao [OR]
RewriteCond %{HTTP_USER_AGENT} ^Zealbot [OR]
RewriteCond %{HTTP_USER_AGENT} ^Xenu [OR]
RewriteCond %{HTTP_USER_AGENT} ^ZyBORG [OR]
RewriteCond %{HTTP_USER_AGENT} ^ZmEu
RewriteRule .* – [F]

Espero que le sirva a mas de uno.

Saludos.