nikto

Using HTTP meta-headers is actually something we seem to have forgotten how to do. The one that annoys me most is the accept-language header which is almost entirely ignored in favour of GeoIP lookups to figure out regionality... which I find super odd; as if people are walking around using a browser in a language they don't speak. (or, an operating system configured for a language they don't speak). ETAG's though, are a bit fraught- if you're a company, a security scan will fire if an etag is detected because you might be able to figure out the inode on the filesystem based on it... which, idk why that's a security problem eitherway[0], but it's common for there to be false-positives[1]... which makes people not respect the header. Last-Modified should work though, I love the idea of checking headers and not content. I think people don't