The access log on my web server has a ton of HTTP HEAD requests coming from porn sites.What are HEAD requests and are they doing something bad with my site?Here is an excerpt from my log:(valid request)xxx.xxx.xxx.xxx - - [02/Jan/2011:23:42:25 -0800] POST /ajax HTTP/1.1 200 0 http://www.mywebsite.com/abc.html Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7(weird requests)xxx.xxx.xxx.xxx - - [02/Jan/2011:23:43:11 -0800] HEAD / HTTP/1.0 302 185 http://www.somepornsite.com Mozilla/5.0 (X11; U; Linux i686; it-IT; rv:1.9.0.2) Gecko/2008092313 Ubuntu/9.25 (jaunty) Firefox/3.8xxx.xxx.xxx.xxx - - [02/Jan/2011:23:43:11 -0800] HEAD /valid.html HTTP/1.0 200 16871 http://www.somepornsite.com Mozilla/5.0 (X11; U; Linux i686; it-IT; rv:1.9.0.2) Gecko/2008092313 Ubuntu/9.25 (jaunty) Firefox/3.8(Web and IP addresses in this log have been munged.)
Lots of HTTP HEAD requests originating from porn sites
http;http headers