From patchwork Tue Sep 11 00:21:26 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: 1917 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 F0DE761DE2 for ; Mon, 10 Sep 2018 16:21:32 +0200 (CEST) Received: from mail01.i.ipfire.org (localhost [IPv6:::1]) by mail01.ipfire.org (Postfix) with ESMTP id 8B181109EBD2; Mon, 10 Sep 2018 15:21:32 +0100 (BST) Received: from mx-nbg.link38.eu (mx-nbg.link38.eu [37.120.167.53]) (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 5B90C109612C 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=8jk2FUVgVx/FzFZUEL1rmhqfr8ytS+FFBIQZEaNuNzU=; b=FGfJmDER8V0BE1CnYNVCYTEfuomDiT60SPJskaFn8S3NQxb7acUI377hDGLYYLD0vNnq1W EjvCyvAphTEjqYMlXZvD1GNcZodnKUeaE72yFox2BgIkTDiyGVuPxnUvyOF7ugFGGj9plN j0uAxPhyjPow1LQTWYkzphJby2EA/Z9+aSkLPI4u5WKhS9uRRKvrVzuBuUbUIHuaQR0BaQ /D8Yd6QSn5ktU9shOXJ9f1X+xOoW+PuVWcdjHb3Z+ZmZYAkwWS0uAu3Js8ZhDmAgzNSSO4 XHJ4nS58MQAZSz+ZbAT1fsK600eVSCAqGiBNZtXEMObvC20bOIfIUJH/HYfXyQ== From: =?utf-8?q?Peter_M=C3=BCller?= To: development@lists.ipfire.org Subject: [PATCH v4 3/3] Unbound: Use aggressive NSEC Date: Mon, 10 Sep 2018 16:21:26 +0200 Message-Id: <20180910142126.5265-3-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)[+ip4:37.120.167.53]; 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)[53.167.120.37.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: (-9.91), ipnet: 37.120.160.0/19(-4.96), asn: 197540(-3.96), country: DE(-0.09)]; ASN(0.00)[asn:197540, ipnet:37.120.160.0/19, 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" This avoids some needless lookups to destination domains with a very high NXDOMAIN rate and reduces load on upstream servers. See https://nlnetlabs.nl/documentation/unbound/unbound.conf/ for further details. Signed-off-by: Peter Müller --- config/unbound/unbound.conf | 1 + 1 file changed, 1 insertion(+) diff --git a/config/unbound/unbound.conf b/config/unbound/unbound.conf index 6eaf70a8e..cda591dab 100644 --- a/config/unbound/unbound.conf +++ b/config/unbound/unbound.conf @@ -60,6 +60,7 @@ server: harden-referral-path: yes harden-algo-downgrade: no use-caps-for-id: yes + aggressive-nsec: yes # Harden against DNS cache poisoning unwanted-reply-threshold: 1000000