From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Frederic Sowa Subject: Re: TCP connection will hang in FIN_WAIT1 after closing if zero window is advertised Date: Tue, 16 Sep 2014 10:37:41 +0200 Message-ID: <1410856661.1539893.168008809.76DF2C8C@webmail.messagingengine.com> References: <54170FC0.6020907@oktetlabs.ru> <1410822949.5018.4.camel@localhost> <1410832228.7106.170.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Andrey Dmitrov , netdev@vger.kernel.org, "Alexandra N. Kossovsky" , Konstantin Ushakov To: Eric Dumazet Return-path: Received: from out1-smtp.messagingengine.com ([66.111.4.25]:36531 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753314AbaIPIhm (ORCPT ); Tue, 16 Sep 2014 04:37:42 -0400 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by gateway2.nyi.internal (Postfix) with ESMTP id 86ACA207A6 for ; Tue, 16 Sep 2014 04:37:41 -0400 (EDT) In-Reply-To: <1410832228.7106.170.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, Sep 16, 2014, at 03:50, Eric Dumazet wrote: > > Why ? If a TARPIT module always answer to zero window probes, these > sessions would last forever. The first paragraph from the original mail didn't read like it would constantly answer to the zero win probes, but after looking at the attack.lua source I come to the same conclusion. Bye, Hannes