From patchwork Tue Sep 11 00:21:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Peter_M=C3=BCller?= X-Patchwork-Id: 1919 Return-Path: Received: from mail01.ipfire.org (mail01.ipfire.org [IPv6:2001:470:7183:25::1]) by web02.i.ipfire.org (Postfix) with ESMTP id 23F3961DE2 for ; Mon, 10 Sep 2018 16:21:39 +0200 (CEST) Received: from mail01.i.ipfire.org (localhost [IPv6:::1]) by mail01.ipfire.org (Postfix) with ESMTP id D8ED110A33A4; Mon, 10 Sep 2018 15:21:38 +0100 (BST) Received: from mx-nbg.link38.eu (mx-nbg.link38.eu [IPv6:2a03:4000:6:432c:1f9e:48:ac3:199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx-nbg.link38.eu", Issuer "Let's Encrypt Authority X3" (verified OK)) by mail01.ipfire.org (Postfix) with ESMTPS id 038F2109EBC5 for ; Mon, 10 Sep 2018 15:21:29 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=link38.eu; s=201803; t=1536589288; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VFfQ68npKmSNXbBn9BTUjHREhU1+hj8tescijJXgOmA=; b=CWOq/VVYkTQcJ5LvSDFhDxJYhQ/b9KpwB/uBYAJK2vAyV7uP1fW5XxlJwa4STnaamiy21m 0M4U4x5VlS46d44iBC6wtUK3qEW6JLo098FpuWhKz7ma064Kv+IzYr2O3K9lELBvQVpxtl XtQ9d2zfgQ0lXzqgnOrU4WrtCoHVbqMbz9k+BXtA83Gr+H/MEKRwiFWHh/oqAuP7vnWp7M TlY921qrQjH7LZpUc5L8M4u9UE7wnGvkv2kUTE9AJl5POBf9PmcwK9L89ZilY44d5azVlZ Betm1AJBV111tXXMFdDXNWTqdaRoH/j+SW7cLg5RNjq4ViO4e3Vs8hXMD2q4iw== From: =?utf-8?q?Peter_M=C3=BCller?= To: development@lists.ipfire.org Subject: [PATCH v4 2/3] Unbound: Use caps for IDs Date: Mon, 10 Sep 2018 16:21:25 +0200 Message-Id: <20180910142126.5265-2-peter.mueller@link38.eu> In-Reply-To: <20180910142126.5265-1-peter.mueller@link38.eu> References: <20180910142126.5265-1-peter.mueller@link38.eu> MIME-Version: 1.0 Authentication-Results: mail01.ipfire.org; dkim=pass header.d=link38.eu; dmarc=pass (policy=none) header.from=link38.eu; spf=pass smtp.mailfrom=peter.mueller@link38.eu X-Spamd-Result: default: False [-11.54 / 11.00]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[link38.eu]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a03:4000:6:432c:1f9e:48:ac3:199]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DKIM_TRACE(0.00)[link38.eu:+]; RCVD_IN_DNSWL_MED(-2.00)[9.9.1.0.3.c.a.0.8.4.0.0.e.9.f.1.c.2.3.4.6.0.0.0.0.0.0.4.3.0.a.2.list.dnswl.org : 127.0.6.2]; MID_CONTAINS_FROM(1.00)[]; MX_GOOD(-0.01)[cached: mx-nbg.link38.eu]; DMARC_POLICY_ALLOW(-0.25)[link38.eu,none]; NEURAL_HAM(-3.00)[-1.000,0]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(-3.78)[ip: (-9.90), ipnet: 2a03:4000::/32(-4.95), asn: 197540(-3.96), country: DE(-0.09)]; ASN(0.00)[asn:197540, ipnet:2a03:4000::/32, country:DE]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-3.00)[100.00%] X-Spam-Status: No, score=-11.54 X-Rspamd-Server: mail01.i.ipfire.org X-BeenThere: development@lists.ipfire.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: IPFire development talk List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: development-bounces@lists.ipfire.org Sender: "Development" Attempt to detect DNS spoofing attacks by inserting 0x20-encoded random bits into upstream queries. Upstream documentation claims it to be an experimental implementation, it did not cause any trouble on productive systems here. See https://nlnetlabs.nl/documentation/unbound/unbound.conf/ for further details. Signed-off-by: Peter Müller --- config/unbound/unbound.conf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/config/unbound/unbound.conf b/config/unbound/unbound.conf index ce9ddcd62..6eaf70a8e 100644 --- a/config/unbound/unbound.conf +++ b/config/unbound/unbound.conf @@ -59,7 +59,7 @@ server: harden-below-nxdomain: yes harden-referral-path: yes harden-algo-downgrade: no - use-caps-for-id: no + use-caps-for-id: yes # Harden against DNS cache poisoning unwanted-reply-threshold: 1000000