> was that Bing actually indexed them. (even though my robots.txt said not to)
Never mind indexing them (ie publishing them at Bing.com), if URLs are disallowed in robots.txt then Bing shouldn't even be retrieving them, even if only to scan the content for malware!
Never mind indexing them (ie publishing them at Bing.com), if URLs are disallowed in robots.txt then Bing shouldn't even be retrieving them, even if only to scan the content for malware!