From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) by lore.proxmox.com (Postfix) with ESMTPS id 462E01FF398 for ; Mon, 13 May 2024 14:15:26 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id E7305150CF; Mon, 13 May 2024 14:15:36 +0200 (CEST) Message-ID: <529164ac-e5d1-47f6-ac94-777468c9ffaa@proxmox.com> Date: Mon, 13 May 2024 14:15:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: pve-devel@lists.proxmox.com References: <20240513113504.203468-1-s.hanreich@proxmox.com> Content-Language: en-US From: Stefan Hanreich In-Reply-To: <20240513113504.203468-1-s.hanreich@proxmox.com> X-SPAM-LEVEL: Spam detection results: 0 AWL 0.631 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: Re: [pve-devel] [PATCH proxmox-firewall 1/1] firewall: properly reject ipv6 traffic X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Proxmox VE development discussion Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pve-devel-bounces@lists.proxmox.com Sender: "pve-devel" v2 available: https://lists.proxmox.com/pipermail/pve-devel/2024-May/063839.html On 5/13/24 13:35, Stefan Hanreich wrote: > ICMPv6 has different message types for rejecting traffic. With ICMP we > used host-prohibited as rejection type, which doesn't exist in ICMPv6. > Add an additional rule for IPv6, so it uses admin-prohibited. > > Signed-off-by: Stefan Hanreich > --- > proxmox-firewall/resources/proxmox-firewall.nft | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/proxmox-firewall/resources/proxmox-firewall.nft b/proxmox-firewall/resources/proxmox-firewall.nft > index f36bf3b..0a220bf 100644 > --- a/proxmox-firewall/resources/proxmox-firewall.nft > +++ b/proxmox-firewall/resources/proxmox-firewall.nft > @@ -75,8 +75,9 @@ table inet proxmox-firewall { > ip saddr 224.0.0.0/4 drop > > meta l4proto tcp reject with tcp reset > - meta l4proto icmp reject with icmp type port-unreachable > + meta l4proto icmp reject with icmpx type port-unreachable > reject with icmp type host-prohibited > + reject with icmpv6 type admin-prohibited > } > > set v4-dc/management { > @@ -289,8 +290,9 @@ table bridge proxmox-firewall-guests { > ip saddr 224.0.0.0/4 drop > > meta l4proto tcp reject with tcp reset > - meta l4proto icmp reject with icmp type port-unreachable > + meta l4proto icmp reject with icmpx type port-unreachable > reject with icmp type host-prohibited > + reject with icmpv6 type admin-prohibited > } > > chain after-vm-in { _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel