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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 CB1A3C43215 for ; Thu, 21 Nov 2019 13:06:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AC94E20855 for ; Thu, 21 Nov 2019 13:06:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726719AbfKUNG5 (ORCPT ); Thu, 21 Nov 2019 08:06:57 -0500 Received: from correo.us.es ([193.147.175.20]:48908 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726984AbfKUNG4 (ORCPT ); Thu, 21 Nov 2019 08:06:56 -0500 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id B0434BAE8C for ; Thu, 21 Nov 2019 14:06:52 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id A1B8DB7FFB for ; Thu, 21 Nov 2019 14:06:52 +0100 (CET) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 96775B7FF6; Thu, 21 Nov 2019 14:06:52 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 3A29CD2B1E; Thu, 21 Nov 2019 14:06:50 +0100 (CET) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Thu, 21 Nov 2019 14:06:50 +0100 (CET) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from us.es (sys.soleta.eu [212.170.55.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: 1984lsi) by entrada.int (Postfix) with ESMTPSA id 15E3842EF4E1; Thu, 21 Nov 2019 14:06:50 +0100 (CET) Date: Thu, 21 Nov 2019 14:06:51 +0100 X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: Christian =?iso-8859-1?Q?G=F6ttsche?= Cc: netfilter-devel@vger.kernel.org Subject: Re: [RFC 3/4] files: add example secmark config Message-ID: <20191121130651.s4sj6u5qjqmxivww@salvia> References: <20191120174357.26112-1-cgzones@googlemail.com> <20191120174357.26112-3-cgzones@googlemail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20191120174357.26112-3-cgzones@googlemail.com> User-Agent: NeoMutt/20170113 (1.7.2) X-Virus-Scanned: ClamAV using ClamSMTP Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org This patch does not apply here to current git HEAD for some reason. On Wed, Nov 20, 2019 at 06:43:56PM +0100, Christian Göttsche wrote: > Signed-off-by: Christian Göttsche > --- > files/examples/Makefile.am | 1 + > files/examples/secmark.nft | 85 ++++++++++++++++++++++++++++++++++++++ > 2 files changed, 86 insertions(+) > create mode 100755 files/examples/secmark.nft > > diff --git a/files/examples/Makefile.am b/files/examples/Makefile.am > index c40e041e..b29e9f61 100644 > --- a/files/examples/Makefile.am > +++ b/files/examples/Makefile.am > @@ -1,4 +1,5 @@ > pkgdocdir = ${docdir}/examples > dist_pkgdoc_SCRIPTS = ct_helpers.nft \ > load_balancing.nft \ > + secmark.nft \ > sets_and_maps.nft > diff --git a/files/examples/secmark.nft b/files/examples/secmark.nft > new file mode 100755 > index 00000000..0e010056 > --- /dev/null > +++ b/files/examples/secmark.nft > @@ -0,0 +1,85 @@ > +#!/usr/sbin/nft -f > + > +# This example file shows how to use secmark labels with the nftables framework. > +# This script is meant to be loaded with `nft -f ` > +# You require linux kernel >= 4.20 and nft >= 0.9.3 > +# For up-to-date information please visit https://wiki.nftables.org > + > + > +flush ruleset > + > +table inet filter { > + secmark ssh_server { > + "system_u:object_r:ssh_server_packet_t:s0" > + } > + > + secmark dns_client { > + "system_u:object_r:dns_client_packet_t:s0" > + } > + > + secmark http_client { > + "system_u:object_r:http_client_packet_t:s0" > + } > + > + secmark https_client { > + "system_u:object_r:http_client_packet_t:s0" > + } > + > + secmark ntp_client { > + "system_u:object_r:ntp_client_packet_t:s0" > + } > + > + secmark icmp_client { > + "system_u:object_r:icmp_client_packet_t:s0" > + } > + > + secmark icmp_server { > + "system_u:object_r:icmp_server_packet_t:s0" > + } > + > + secmark ssh_client { > + "system_u:object_r:ssh_client_packet_t:s0" > + } > + > + secmark git_client { > + "system_u:object_r:git_client_packet_t:s0" > + } > + > + map secmapping_in { > + type inet_service : secmark > + elements = { 22 : "ssh_server" } > + } > + > + map secmapping_out { > + type inet_service : secmark > + elements = { 22 : "ssh_client", 53 : "dns_client", 80 : "http_client", 123 : "ntp_client", 443 : "http_client", 9418 : "git_client" } > + } > + > + chain input { > + type filter hook input priority 0; > + > + # label new incoming packets and add to connection > + ct state new meta secmark set tcp dport map @secmapping_in > + ct state new meta secmark set udp dport map @secmapping_in > + ct state new ip protocol icmp meta secmark set "icmp_server" > + ct state new ip6 nexthdr icmpv6 meta secmark set "icmp_server" > + ct state new ct secmark set meta secmark > + > + # set label for est/rel packets from connection > + ct state established,related meta secmark set ct secmark > + } > + > + chain output { > + type filter hook output priority 0; > + > + # label new outgoing packets and add to connection > + ct state new meta secmark set tcp dport map @secmapping_out > + ct state new meta secmark set udp dport map @secmapping_out > + ct state new ip protocol icmp meta secmark set "icmp_client" > + ct state new ip6 nexthdr icmpv6 meta secmark set "icmp_client" > + ct state new ct secmark set meta secmark > + > + # set label for est/rel packets from connection > + ct state established,related meta secmark set ct secmark > + } > +} > -- > 2.24.0 >