On Mon, Jun 18, 2007, Matus UHLAR - fantomas wrote: > See http://devel.squid-cache.org/stale_projects.html, the > "Duplicate Storage Avoidance" and "Duplicate Transfer Detection" parts. It relies on extracting MD5s for the content out. Thats an interesting idea, but you can't expect remote sites to expose a Content-MD5 header from upstream/origin servers. (Ah, I wish I had more time.) Adrian