From owner-freebsd-security@FreeBSD.ORG Sat Aug 2 00:12:12 2003 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D79E937B401 for ; Sat, 2 Aug 2003 00:12:12 -0700 (PDT) Received: from smtp.web.de (smtp02.web.de [217.72.192.151]) by mx1.FreeBSD.org (Postfix) with ESMTP id 89ADE43FBF for ; Sat, 2 Aug 2003 00:12:11 -0700 (PDT) (envelope-from Jan.Lentfer@web.de) Received: from [213.157.24.189] (helo=floundjan.homeip.net) by smtp.web.de with esmtp (WEB.DE 4.99 #433) id 19iqYk-0002IC-00; Sat, 02 Aug 2003 09:12:10 +0200 Received: from localhost (localhost.lan [127.0.0.1]) by floundjan.homeip.net (Postfix on FreeBSD 4.5) with ESMTP id E91E8A37; Sat, 2 Aug 2003 09:12:08 +0200 (CEST) Received: by floundjan.homeip.net (Postfix on FreeBSD 4.5, from userid 80) id 4F4FCA02; Sat, 2 Aug 2003 07:12:02 +0000 (GMT) Received: from freebsd-server.lan (freebsd-server.lan [192.168.0.1]) by www-mail.lan (IMP) with HTTP for ; Sat, 2 Aug 2003 09:12:01 +0200 Message-ID: <1059808321.3f2b6441bbaa5@www-mail.lan> Date: Sat, 2 Aug 2003 09:12:01 +0200 From: Jan Lentfer To: Ronan Lucio References: <00a001c35875$5432f730$3aa8a8c0@melim.com.br> In-Reply-To: <00a001c35875$5432f730$3aa8a8c0@melim.com.br> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 User-Agent: Internet Messaging Program (IMP) 3.2.1 / FreeBSD-4.8 X-Originating-IP: 192.168.0.1 X-Virus-Scanned: by AMaViS perl-10 Content-Transfer-Encoding: quoted-printable Sender: Jan.Lentfer@web.de cc: security@freebsd.org Subject: Re: FTP X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Security issues [members-only posting] List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Aug 2003 07:12:13 -0000 Zitat von Ronan Lucio : > I usualy permit TCP traffic on ports from 1025 to 65535 of the servers > that I need to permit FTP access. >=20 > Is there a more secure way to permit FTP access instead of to > permit such ports? What ftp server are you using? If I remember right ProFTPd allows you to = define what passive ports to use, eg. 50000-50100 or something like that. Then y= ou only open up that ports you defined in proftpd.conf in the firewall. Or did you mean outgoing ftp traffic? hth, Jan