From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.netfilter.org (mail.netfilter.org [217.70.190.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 934382550AF for ; Thu, 30 Oct 2025 23:30:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.190.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761867044; cv=none; b=JQur+xt5ViXissgyhit50sgpRzeXZg5XMImEslD5bjap8/W896oadpiK+ivH2Ybxu8EyHkQdim3fDYs/ayp+evEHIEuSvq9cF7wEMwmnm1tGabFFOcJezDzl4pk8/c2vdtPj04ZxtQHW3yJxlnLmGXoUVtOs+0Wz5TyED8ba4dU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761867044; c=relaxed/simple; bh=AS2v74IS3unpKfBMpop6+0nhasFdhXL3KBWfp0Wqwso=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GREe+gZ6wF/FkmihdK4/DQaTG/sWc50lp6zk2MIaicQ31/nrdNSM61pGSRZawwM0mrt8DSv8C+9HjKUusPP/+9PBQ2pMffNPrFW6TV4IcuY2mT6vKI05zY05l7wP52Z855LIXRJ3jDRy5N+XVklzjYnjb1++IUSWSPNwhx/6DCg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org; spf=pass smtp.mailfrom=netfilter.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b=G4xu24wY; arc=none smtp.client-ip=217.70.190.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=netfilter.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b="G4xu24wY" Received: from netfilter.org (mail-agni [217.70.190.124]) by mail.netfilter.org (Postfix) with ESMTPSA id 63D586026F; Fri, 31 Oct 2025 00:30:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org; s=2025; t=1761867040; bh=W5C3t/qqaNxswcLk2JukL8U8t7j7F29AXAS1h8RTZGg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=G4xu24wYaETB/tadRqJ/vjGPoDBqbfP3eBH756qXuyWk4EBX0E7mOy7tzjRYa/fv9 3N0z69rm6wy3mDt5hbtkyXUwiojBRMcdpzhMKTlJ4D1j/y/zCQKNWcpmD6SWf5klUY LJBpbMe+fErdaJb0zkHlzxeuUMoxiEKHtDcPWHyQvBCV5n09ywuc3urKB814Dujr16 1/JiD6W5QNRJsM+W2OsuLvklUNTvKa8f9tVZoAy0FjeO7EG7KxpINYhLnSp4x7sZfE U9pPYYPhQnFWC6p8OpZ+uFnhGa3dTOzxNH+hvQxky8DKGUxKQJ5ZmsbBRSMuzd42CQ 2LcS+MHFuKL+Q== Date: Fri, 31 Oct 2025 00:30:37 +0100 From: Pablo Neira Ayuso To: Christoph Anton Mitterer Cc: netfilter-devel@vger.kernel.org Subject: Re: nftables.service hardening ideas Message-ID: References: <71e8f96ac2cd1ee0ab8676facb04b40870a095a1.camel@scientia.org> Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <71e8f96ac2cd1ee0ab8676facb04b40870a095a1.camel@scientia.org> On Mon, Oct 27, 2025 at 04:36:08AM +0100, Christoph Anton Mitterer wrote: > Hey. > > This would be ideas about further hardening nftables.service, primarily > using the options from systemd.exec(5). Thanks, it general I would prefer if this nftables.service in the tree remains simple. For more advanced configurations, probably we can provide a list of extra configurations for the paranoid users that they can apply to refine in some other form (wiki page?). Thanks.