From patchwork Fri Jun 21 07:18:32 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: solomon X-Patchwork-Id: 253147 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 31DA72C00AD for ; Fri, 21 Jun 2013 17:18:59 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755384Ab3FUHSz (ORCPT ); Fri, 21 Jun 2013 03:18:55 -0400 Received: from mail-pa0-f43.google.com ([209.85.220.43]:53948 "EHLO mail-pa0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754378Ab3FUHSy (ORCPT ); Fri, 21 Jun 2013 03:18:54 -0400 Received: by mail-pa0-f43.google.com with SMTP id hz11so7425320pad.2 for ; Fri, 21 Jun 2013 00:18:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :content-type:content-transfer-encoding; bh=RMt6S0CMpcHSANlXpwHUAXMUOY4RiuK6sWnmvByi22U=; b=x6CPia+5PnOvZsVnZ1LccNGkqjpnd2UxEHRYHvtd4UJkgrNsdgC2QWGvmiUmwKVirA j7NGSD3j1DDz6TVtaB+QmvKwOa3PRuCJsu1mtQ9QurNLTDeMi08KI1CQCs49MufKnTcs YNcGRLPb8gmbH8dellruT3WgEt/lgB3swY5mxfGCqeVMgWo6sjcY0w0yMCnwsomfr+c/ pYSJdXA5S3CimsvtAsWoXBilTPsFEjnyL9QXHUyWvHQv+dUOtooHawRU5kou9u//jkRn D+umKQcLDl8DD6FdClSSlouS0MNg9hAFTySdUIw3ECxaUZ0tIaOJoj02SrX7hukzmuKM vwiA== X-Received: by 10.66.164.199 with SMTP id ys7mr14895650pab.104.1371799134146; Fri, 21 Jun 2013 00:18:54 -0700 (PDT) Received: from [172.30.10.96] ([121.14.96.125]) by mx.google.com with ESMTPSA id kq2sm4427466pab.19.2013.06.21.00.18.48 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 21 Jun 2013 00:18:53 -0700 (PDT) Message-ID: <51C3FE48.2060804@gmail.com> Date: Fri, 21 Jun 2013 15:18:32 +0800 From: Shan Wei User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:20.0) Gecko/20100101 Thunderbird/20.0 MIME-Version: 1.0 To: davem@davemloft.net, linux-doc@vger.kernel.org, netdev@vger.kernel.org CC: davidshan@tencent.com Subject: [PATCH] tcp: doc : fix the syncookies default value Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syncookies is on for default since in commit e994b7c901 (tcp: Don't make syn cookies initial setting depend on CONFIG_SYSCTL). And fix a typo of CONFIG_SYN_COOKIES. Signed-off-by: Shan Wei --- Documentation/networking/ip-sysctl.txt | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 36e5a40..1074290 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -420,10 +420,10 @@ tcp_synack_retries - INTEGER for a passive TCP connection will happen after 63seconds. tcp_syncookies - BOOLEAN - Only valid when the kernel was compiled with CONFIG_SYNCOOKIES + Only valid when the kernel was compiled with CONFIG_SYN_COOKIES Send out syncookies when the syn backlog queue of a socket overflows. This is to prevent against the common 'SYN flood attack' - Default: FALSE + Default: 1 Note, that syncookies is fallback facility. It MUST NOT be used to help highly loaded servers to stand