From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nivedita Singhvi Subject: Re: question about linux tcp request queue handling Date: Sun, 06 Jul 2003 13:24:46 -0700 Sender: netdev-bounce@oss.sgi.com Message-ID: <3F08858E.8000907@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, netdev Return-path: To: palbrecht@qwest.net Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org > Linux (2.4.18) places incoming connection requests into the syn_recd state > when the server's backlog queue is full. I thought they were supposed to be > discarded if the server's backlog is full, forcing the client to > subsequently retransmit the request after it times out. Why does linux put > the server side into the syn_recd state when its backlog is full? Do you have tcp_syncookies on? And are you exceeding the len as configured by tcp_max_syn_backlog? thanks, Nivedita [Please cc or post to netdev, like most networking folk, dont subscribe to lkml]