From owner-freebsd-ipfw@FreeBSD.ORG Fri Aug 6 22:56:45 2004 Return-Path: Delivered-To: freebsd-ipfw@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7A08C16A4CE for ; Fri, 6 Aug 2004 22:56:45 +0000 (GMT) Received: from forrie.com (forrie.ne.client2.attbi.com [24.62.207.61]) by mx1.FreeBSD.org (Postfix) with ESMTP id 26FE543D1D for ; Fri, 6 Aug 2004 22:56:45 +0000 (GMT) (envelope-from forrie@forrie.com) Received: from [127.0.0.1] (i-95.forrie.net. [192.168.1.95]) by forrie.com with ESMTP id i76MuZHk076773; Fri, 6 Aug 2004 18:56:37 -0400 (EDT) (envelope-from forrie@forrie.com) Message-ID: <41140CA0.7090409@forrie.com> Date: Fri, 06 Aug 2004 18:56:32 -0400 From: Forrest Aldrich User-Agent: Mozilla Thunderbird 0.7+ (Windows/20040730) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Vince Vielhaber References: <411406D7.2000808@forrie.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-RAVMilter-Version: 8.3.0(snapshot 20010925) (forrie.ne.client2.attbi.com) X-MailScanner-LocalNet: Found to be clean cc: freebsd-ipfw@freebsd.org Subject: Re: Blocking SMTP traffic based upon RBL.... X-BeenThere: freebsd-ipfw@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: IPFW Technical Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Aug 2004 22:56:45 -0000 Hi Vince, Thanks for the pointer. I use Sendmail-8.13 on my system, Postfix in the future. I'm guessing rblsmtpd will require the adoption of ucspi, which would break some of the configs I work with now. I'll look at it. Thanks. Vince Vielhaber wrote: >On Fri, 6 Aug 2004, Forrest Aldrich wrote: > > > >>There are probably dangerous consequences to doing something like this >>improperly; however, there is a project out there called PacketBL: >> >>http://wiki.duskglow.com/index.php/Packetbl >> >>It's for Linux only, unfortunately -- however I like the idea. It >>interfaces with the packet filtering system and selectively blocks SMTP >>(port 25, configurable) traffic based upon RBLs etc. >> >>I wonder if there is a similar way to accomplish this with FreeBSD/ipfw... >> >> > >This works with qmail and any (unixish) OS: > > http://cr.yp.to/ucspi-tcp/rblsmtpd.html > >It's part of the ucspi-tcp package. I've been using it since sometime >around '98 without a problem. Been using qmail even longer, no problem >there either. > >Vince. > >