On Wed, 2005-08-24 at 20:10 +0200, Henning.Ramm@mediapro-gmbh.de wrote:

If my server app crashes, it often leaves its ports open, so that I get a CannotListenError 'Address already in use'. (I'm on Win2k.)

SO_REUSEADDR is supposed to allow this. I think I disabled that for TCP on windows as it caused some failing tests, but in retrospect those tests are probably less important than the actual functionality it provides. Open a bug in http://twistedmatrix.com/bugs/ and assign it to me.