$ telnet golem.de.dynamic.feedsportal.com 80
GET /pf/578068/http://rss.golem.de/rss.php?feed=RSS1.0 HTTP/1.1
User-Agent: Opera/9.80 (X11; Linux i686; U; de) Presto/2.9.168 Version/11.50
Host: golem.de.dynamic.feedsportal.com
Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/webp, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
Accept-Language: de-DE,de;q=0.9,en;q=0.8
Accept-Encoding: gzip, deflate
Cache-Control: no-cache
Connection: Keep-Alive