From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28305C4646D for ; Mon, 13 Aug 2018 15:42:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D49F221756 for ; Mon, 13 Aug 2018 15:42:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D49F221756 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=davemloft.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729267AbeHMSZg (ORCPT ); Mon, 13 Aug 2018 14:25:36 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:52714 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728821AbeHMSZf (ORCPT ); Mon, 13 Aug 2018 14:25:35 -0400 Received: from localhost (c-24-20-22-31.hsd1.or.comcast.net [24.20.22.31]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id F2CCD14580445; Mon, 13 Aug 2018 08:42:49 -0700 (PDT) Date: Mon, 13 Aug 2018 08:42:49 -0700 (PDT) Message-Id: <20180813.084249.2086802236653374160.davem@davemloft.net> To: virgile@acceis.fr Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] Add icmp_echo_ignore_all support for ICMPv6 From: David Miller In-Reply-To: <20180810154815.GA18171@_> References: <20180810154815.GA18171@_> X-Mailer: Mew version 6.7 on Emacs 26 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 13 Aug 2018 08:42:50 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Virgile Jarry Date: Fri, 10 Aug 2018 17:48:15 +0200 > Preventing the kernel from responding to ICMP Echo Requests messages > can be useful in several ways. The sysctl parameter > 'icmp_echo_ignore_all' can be used to prevent the kernel from > responding to IPv4 ICMP echo requests. For IPv6 pings, such > a sysctl kernel parameter did not exist. > > Add the ability to prevent the kernel from responding to IPv6 > ICMP echo requests through the use of the following sysctl > parameter : /proc/sys/net/ipv6/icmp/echo_ignore_all. > Update the documentation to reflect this change. > > Signed-off-by: Virgile Jarry > --- > Changes in v2: > - Added support for sysctl interface (and not just /proc filesystem) Applied.