From mboxrd@z Thu Jan 1 00:00:00 1970 From: Octavian Purdila Subject: Re: ports beeing reused too fast Date: Tue, 12 May 2009 18:52:25 +0300 Message-ID: <200905121852.26099.opurdila@ixiacom.com> References: <200905082311.09414.opurdila@ixiacom.com> <200905121532.57477.opurdila@ixiacom.com> <20090512081119.598b22c5@nehalam> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, Bill Fink , Eric Dumazet , Cosmin Ratiu To: Stephen Hemminger Return-path: Received: from ixro-out-rtc.ixiacom.com ([92.87.192.98]:13483 "EHLO ixro-ex1.ixiacom.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754740AbZELPxg (ORCPT ); Tue, 12 May 2009 11:53:36 -0400 In-Reply-To: <20090512081119.598b22c5@nehalam> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: > I raised the issue to the original author of the proposed RFC and added > the issue to the ongoing review of the draft. > > There is a suggested workaround using a bitmap but it seems like it would > be expensive to implement: > > http://ietfreport.isoc.org/all-ids/draft-ananth-tsvwg-timewait-00.txt OK, I now understand how TW could be an issue here - I didn't realize that we could have sockets in TW on the server side. Since the workaround seems expensive, would it be acceptable to add a new sysctl option to disable port randomization? Thanks, tavi