We're running LSWS 4.0.10 (latest build) on all of our production servers and we are having users that are complaining of 408 errors occasionally. It's not after a long time, it's immediately on a page load such as when navigating from one page to the next. Now before you say the server is over-loaded it's a Quad Core 2.4ghz 4gb ram and it is running at or below a load of 0.6~0.7 24/7 and only has around 30 accounts on it. The server is also not seeing any I/O wait because it's Raid10 4x250gb Sata2 drives and is very under-utilized. I can assure you that this is not a script timing out or some other issue because it's happened to me on many occasions just for simple scripts and things that take no time to process at all... It isn't that you click to go to the next page, wait 10 seconds, and then the error pops up. The instant the request is sent to the server for the page it comes right back immediately with a 408 error.