> > Good question. And one which will require digging through the code to > answer I'm afraid. Thanks - I've been digging into the code, but I have not quite figured it out yet. This is part of my effort to get caching of windows updates working. I've followed the rules on the wiki in this regard, but it seems like these unmatched lengths are preventing the caching. > FWIW I suspect that is a bug in the header vs object calculations. A tcpdump of the corresponding connections shows that squid is closing the connection to the server before the download is finished. I'll continue looking. > The wiki has this to say about the value: Thanks, yes, I saw that. Mark