My problem was solved when I edited /etc/sysctl.conf and added the following two lines net.ipv4.tcp_wmem = 4096 16384 131072 net.ipv4.tcp_rmem = 4096 87380 174760 This seems a little geeky, and I would hope that the Ubuntu developers somehow address this issue in future releases. (It wasn't a problem in 7.04; appeared in 7.10 and continued in the 8.04 (beta).) On Tue, Apr 22, 2008 at 5:49 PM, linovski