From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753130Ab0DMLZf (ORCPT ); Tue, 13 Apr 2010 07:25:35 -0400 Received: from mercuryimc.plus.com ([80.229.200.144]:39853 "EHLO mimc.mimc.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752331Ab0DMLZe (ORCPT ); Tue, 13 Apr 2010 07:25:34 -0400 X-Greylist: delayed 529 seconds by postgrey-1.27 at vger.kernel.org; Tue, 13 Apr 2010 07:25:34 EDT Message-ID: <4BC4529A.4010805@mimc.co.uk> Date: Tue, 13 Apr 2010 12:16:42 +0100 From: Mark Jackson User-Agent: Thunderbird 2.0.0.24 (X11/20100411) MIME-Version: 1.0 To: lkml Subject: Can I limit the number of tcp connections ? Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Is there any way to limit the # tcp connections under Linux ? I've tried ... echo 8 > /proc/sys/net/core/somaxconn ... but I can still open 10 ssh sessions, as well as a web server. I know I could run iptables, but I was looking for a much lower level solution (with a smaller resource footprint). Any clues ? Thanks Mark