: Redirect Google crawler to different robots.txt via .htaccess I have googled for the answer all day and still couldn't find an answer. I have a virtual subdomain www.static.example.com which is
I have googled for the answer all day and still couldn't find an answer.
I have a virtual subdomain static.example.com which is a mirror site of example.com. It means I have just one root folder for subdomain and domain aswell.
I want to redirect crawlers to different robots.txt file - robots_static.txt when they see .static in url in which I will forbid indexing via /disallow command. I want to do this because I have duplicated content in Google search results. Subdomain is showing the exact same content as the main domain.
Does anyone know how could I achieve that crawlers sees robots_static.txt instead of robots.txt?
What I have managed to find so far is this:
RewriteCond %{HTTP_HOST} ^www.static.*$ [NC]
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9} /.*robots.txt.* HTTP/ [NC]
RewriteRule ^robots.txt /robots_static.txt [NC,L]
but when I check in webmaster tools, it still sees robots.txt as my robots file instead of robots_static.txt, so it crawls and index everything twice.
What did I do wrong?
Thanks
EDIT:
This is my .htaccess file
##
# @package Joomla
# @copyright Copyright (C) 2005 - 2013 Open Source Matters. All rights reserved.
# @license GNU General Public License version 2 or later; see LICENSE.txt
##
##
# READ THIS COMPLETELY IF YOU CHOOSE TO USE THIS FILE!
#
# The line just below this section: 'Options +FollowSymLinks' may cause problems
# with some server configurations. It is required for use of mod_rewrite, but may already
# be set by your server administrator in a way that dissallows changing it in
# your .htaccess file. If using it causes your server to error out, comment it out (add # to
# beginning of line), reload your site in your browser and test your sef url's. If they work,
# it has been set by your server administrator and you do not need it set here.
##
## Can be commented out if causes errors, see notes above.
Options +FollowSymLinks
## Mod_rewrite in use.
RewriteEngine On
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www.
RewriteRule ^(.*)$ www.%{HTTP_HOST}/ [R=301,L]
RewriteCond %{HTTP_HOST} ^www.static.*$ [NC]
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9} /.*robots.txt.* HTTP/ [NC]
RewriteRule ^robots.txt /robots_static.txt [NC,L]
## Begin - Rewrite rules to block out some common exploits.
# If you experience problems on your site block out the operations listed below
# This attempts to block the most common type of exploit `attempts` to Joomla!
#
# Block out any script trying to base64_encode data within the URL.
RewriteCond %{QUERY_STRING} base64_encode[^(]*([^)]*) [OR]
# Block out any script that includes a <script> tag in URL.
RewriteCond %{QUERY_STRING} (<|%3C)([^s]*s)+cript.*(>|%3E) [NC,OR]
# Block out any script trying to set a PHP GLOBALS variable via URL.
RewriteCond %{QUERY_STRING} GLOBALS(=|[|%[0-9A-Z]{0,2}) [OR]
# Block out any script trying to modify a _REQUEST variable via URL.
RewriteCond %{QUERY_STRING} _REQUEST(=|[|%[0-9A-Z]{0,2})
# Return 403 Forbidden header and show the content of the root homepage
RewriteRule .* index.php [F]
#
## End - Rewrite rules to block out some common exploits.
## Begin - Custom redirects
#
# If you need to redirect some pages, or set a canonical non-www to
# www redirect (or vice versa), place that code here. Ensure those
# redirects use the correct RewriteRule syntax and the [R=301,L] flags.
#
## End - Custom redirects
##
# Uncomment following line if your webserver's URL
# is not directly related to physical file paths.
# Update Your Joomla! Directory (just / for root).
##
# RewriteBase /
RewriteCond %{THE_REQUEST} ^GET.*index.php [NC]
RewriteCond %{THE_REQUEST} !/system/.*
RewriteRule (.*?)index.php/*(.*) / [R=301,L]
RewriteCond %{THE_REQUEST} ^GET
## Begin - Joomla! core SEF Section.
#
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
#
# If the requested path and file is not /index.php and the request
# has not already been internally rewritten to the index.php script
RewriteCond %{REQUEST_URI} !^/index.php
# and the request is for something within the component folder,
# or for the site root, or for an extensionless URL, or the
# requested URL ends with one of the listed extensions
RewriteCond %{REQUEST_URI} /component/|(/[^.]*|.(php|html?|feed|pdf|vcf|raw))$ [NC]
# and the requested path and file doesn't directly match a physical file
RewriteCond %{REQUEST_FILENAME} !-f
# and the requested path and file doesn't directly match a physical folder
RewriteCond %{REQUEST_FILENAME} !-d
# internally rewrite the request to the index.php script
RewriteRule .* index.php [L]
#
## End - Joomla! core SEF Section.
<FilesMatch ".(ico|pdf|flv|jpg|ttf|jpg|jpeg|png|gif|js|css|swf)$">
Header set Expires "Wed, 15 Apr 2020 20:00:00 GMT"
Header set Cache-Control "public"
</FilesMatch>
<ifModule mod_headers.c>
Header set Connection keep-alive
</ifModule>
########## Begin - Remove Etags
#
FileETag none
#
########## End - Remove Etags
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Google's bots will still want to request /robots.txt from your sub domain and not /robots_static.txt which would have no meaning to them.
RewriteCond %{HTTP_HOST} ^www.static..*$ [NC]
RewriteRule ^/robots.txt$ /robots_static.txt [L]
When requests for /robots.txt are made from your static domain the /robots_static.txt file will be served up as if it were /robots.txt
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