Duplicate IIS 7.5 request filtering rules causes useless standard IIS 500 error page
We’ve been having loads of meaningless search engine indexing traffic caused by various web crawlers from around the world, resulting in unnecessary load on the production servers in my current project; meaningless in the sense that the site is mainly in swedish and hence rather uninteresting for people living in for instance Russia, Ukraine or Kazakhstan, where these engines are popular. A simple way to …