From owner-freebsd-bugs@FreeBSD.ORG Sat May 5 13:20:02 2007 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 209F916A401 for ; Sat, 5 May 2007 13:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [69.147.83.40]) by mx1.freebsd.org (Postfix) with ESMTP id DE69713C448 for ; Sat, 5 May 2007 13:20:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id l45DK13j099538 for ; Sat, 5 May 2007 13:20:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id l45DK1NW099537; Sat, 5 May 2007 13:20:01 GMT (envelope-from gnats) Resent-Date: Sat, 5 May 2007 13:20:01 GMT Resent-Message-Id: <200705051320.l45DK1NW099537@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Andy Kosela Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0F61816A400 for ; Sat, 5 May 2007 13:17:30 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [69.147.83.33]) by mx1.freebsd.org (Postfix) with ESMTP id 026F713C448 for ; Sat, 5 May 2007 13:17:30 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id l45DHTAq061203 for ; Sat, 5 May 2007 13:17:29 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id l45DCRfp051001; Sat, 5 May 2007 13:12:27 GMT (envelope-from nobody) Message-Id: <200705051312.l45DCRfp051001@www.freebsd.org> Date: Sat, 5 May 2007 13:12:27 GMT From: Andy Kosela To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.0 Cc: Subject: conf/112441: deprecated lines in /etc/hosts.allow X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 May 2007 13:20:02 -0000 >Number: 112441 >Category: conf >Synopsis: deprecated lines in /etc/hosts.allow >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Sat May 05 13:20:01 GMT 2007 >Closed-Date: >Last-Modified: >Originator: Andy Kosela >Release: 6.2-RELEASE >Organization: >Environment: FreeBSD plato.domain 6.2-RELEASE-p4 FreeBSD 6.2-RELEASE-p4 #0: Thu Apr 26 17:40:53 UTC 2007 root@i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386 >Description: The following lines in /etc/hosts.allow are deprecated and should be removed. >From my understanding of how tcpd is built, it is built by default with -DPARANOID option turned on so all requests from DNS mismatched clients are dropped BEFORE looking at the access tables. /etc/hosts.allow: # Protect against simple DNS spoofing attacks by checking that the # forward and reverse records for the remote host match. If a mismatch # occurs, access is denied, and any positive ident response within # 20 seconds is logged. No protection is afforded against DNS poisoning, # IP spoofing or more complicated attacks. Hosts with no reverse DNS # pass this rule. ALL : PARANOID : RFC931 20 : deny >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: