GET /shop/dresses?clothing_size=250&color=247&dir=desc&limit=15&mode=list&order=position
GET /shop/dresses?clothing_size=268&color=248&dir=asc&order=name
GET /shop/sale?clothing_size=252&dir=asc&limit=5&mode=grid&order=name&price=50-100

User-agent: Googlebot-Image
Disallow: /
Allow: /shop/media/catalog/product/
Allow: /shop/media/wysiwyg/

# Crawlers Setup
User-agent: *

# Directories
Disallow: /shop/404/
Disallow: /shop/app/
Disallow: /shop/cgi-bin/
Disallow: /shop/downloader/
Disallow: /shop/errors/
Disallow: /shop/includes/
#Disallow: /shop/js/
#Disallow: /shop/lib/
Disallow: /shop/magento/
#Disallow: /shop/media/
Disallow: /shop/pkginfo/
Disallow: /shop/report/
Disallow: /shop/scripts/
Disallow: /shop/shell/
Disallow: /shop/skin/
Disallow: /shop/stats/
Disallow: /shop/var/
Disallow: /offline/

# Paths (clean URLs)
Disallow: /shop/index.php/
Disallow: /shop/catalog/product_compare/
Disallow: /shop/catalog/category/view/
Disallow: /shop/catalog/product/view/
Disallow: /shop/catalogsearch/
#Disallow: /shop/checkout/
Disallow: /shop/control/
Disallow: /shop/contacts/
Disallow: /shop/customer/
Disallow: /shop/customize/
Disallow: /shop/newsletter/
Disallow: /shop/poll/
Disallow: /shop/review/
Disallow: /shop/sendfriend/
Disallow: /shop/tag/
Disallow: /shop/wishlist/
Disallow: /shop/catalog/product/gallery/

# Files
Disallow: /cron.php
Disallow: /cron.sh
Disallow: /error_log
Disallow: /install.php
Disallow: /LICENSE.html
Disallow: /LICENSE.txt
Disallow: /LICENSE_AFL.txt
Disallow: /STATUS.txt
Disallow: /.DS_Store
Disallow: /api.php
Disallow: /get.php
Disallow: /mage



# Paths (no clean URLs)
#Disallow: /*.js$
#Disallow: /*.css$
Disallow: /*.php$
Disallow: /*?p=*&
Disallow: /*?SID=

RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (Googlebot|bingbot|Yahoo) [NC]
RewriteCond %{QUERY_STRING} ^clothing_size=([0-9]*) [NC]
RewriteRule .* - [G]

if ($http_user_agent ~* "Baiduspider|Googlebot|bingbot|Yahoo|YandexBot") { set $layered A; }
if ($args ~ ^(clothing_size|color|price)=.+) { set "${layered}B"; }
if ($layered = AB) { return 410; }