On Fri, 2005-06-03 at 15:36 -0500, David G. Mackay wrote: > I've got an old AMD-K6-400 box that's been running FC3 that I've been > using as a router/firewall. I recently ran up2date, and suddenly I > couldn't access several websites. After playing around for a bit, I did > a clean install of FC4t3 on the box to see if that would resolve the > problem. It didn't. I can access most sites normally. I can also plug > the Alcatel USB Speedtouch modem into a Win2k box, and access the > problematic websites. > > I've done some archive searches to see if anyone else experienced this, > and came across the ecn problem, but my /proc/sys/net/ipv4/tcp_ecn is 0. > Ironically, one of the sites that I can't access is bugzilla.redhat.com > (although fedora.redhat.com is fine). > > When I look at a tcpdump of the situation, I see the tcp connection > handshake followed by a GET request to the web site. Instead of > returning the contents of the web page in response, I see a packet with > no data acking the get request packet. > > Does anyone have any ideas? See if this helps: # echo 0 > /proc/sys/net/ipv4/tcp_window_scaling Paul. -- Paul Howarth <paul@xxxxxxxxxxxx>
