>"It is necessary to change your server process to expect a HEAD request. Both HEAD and GET requests with a user agent of contype should only return a content type and not the data." < No, this has to be done on the server itself (assmann.de). So it more looks like an IE-server issue, not really a squid problem. However, you could use https://fiddler2.com/features/web-debugging which allows you to trace/debug the traffic of the browser. And then compare to squids log. The timing of the messages might be interesting. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-2-7-STABLE5-hangs-with-HEAD-request-in-LOG-tp4664219p4664259.html Sent from the Squid - Users mailing list archive at Nabble.com.