On Mon, Apr 09, 2007, dhottinger@xxxxxxxxxxxxxxxxxxxxxx wrote: > I did echo 0 > /proc/sys/net/ipv4/tcp_window_scaling on my proxy > server, and added acl's for swscan.apple.com, akamaitechnologies.com, > and swdc.apple.com for no_cache and softwareupdates work now. I had > previously done the echo 0 > /proc/sys/net/ipv4/tcp_window_scaling on > my firewall with no joy for software updates. Thanks for taking the > time to help with this Henrik. Hopefully the solution to this will > help the half dozen or so others who are having issues with Apple > Software updates. I've added this into the Wiki KnowledgeBase: http://wiki.squid-cache.org/KnowledgeBase/BrokenWindowSize Adrian