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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76E74C433F5 for ; Thu, 6 Oct 2022 12:58:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230160AbiJFM6W (ORCPT ); Thu, 6 Oct 2022 08:58:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230309AbiJFM6F (ORCPT ); Thu, 6 Oct 2022 08:58:05 -0400 Received: from mail.netfilter.org (mail.netfilter.org [217.70.188.207]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4C2F51759F; Thu, 6 Oct 2022 05:57:34 -0700 (PDT) Date: Thu, 6 Oct 2022 14:57:29 +0200 From: Pablo Neira Ayuso To: Martin Zaharinov Cc: Florian Westphal , Paolo Abeni , netfilter-devel@vger.kernel.org, netfilter Subject: Re: Kernel 6.0.0 bug pptp not work Message-ID: References: <3D70BC1B-A19E-45E3-B6BC-6B2719BA9B46@gmail.com> <20221006111811.GA3034@breakpoint.cc> <0DF040F3-ACC8-447E-99DA-BB77FEE03C7E@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0DF040F3-ACC8-447E-99DA-BB77FEE03C7E@gmail.com> Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org On Thu, Oct 06, 2022 at 03:46:37PM +0300, Martin Zaharinov wrote: > Huh > Very strange in kernel 6.0.0 i not found : net.netfilter.nf_conntrack_helper > > > in old kernel 5.19.14 in sysctl -a | grep net.netfilter.nf_conntrack_helper > > net.netfilter.nf_conntrack_helper = 1 Yes, default conntrack helper attachment was disabled 10 years ago, and this option was disabled 6 years ago by default. See: https://github.com/regit/secure-conntrack-helpers/blob/master/secure-conntrack-helpers.rst