From owner-freebsd-isp Fri Sep 27 11:48:44 2002 Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CD51837B401 for ; Fri, 27 Sep 2002 11:48:42 -0700 (PDT) Received: from web1.nexusinternetsolutions.net (web1.nexusinternetsolutions.net [206.47.131.12]) by mx1.FreeBSD.org (Postfix) with SMTP id 1559343E42 for ; Fri, 27 Sep 2002 11:48:42 -0700 (PDT) (envelope-from dave@hawk-systems.com) Received: (qmail 15987 invoked from network); 27 Sep 2002 18:48:40 -0000 Received: from unknown (HELO ws1) (24.157.103.51) by web1.nexusinternetsolutions.net with SMTP; 27 Sep 2002 18:48:40 -0000 From: "Dave [Hawk-Systems]" To: "FreeBSD" , Subject: RE: open smtp relays and http proxies Date: Fri, 27 Sep 2002 14:48:30 -0400 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 In-Reply-To: <200209271818.g8RIIBBU002312@mercury.unimatrixzero.com> Importance: Normal Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org From a mail/SMTP perspective, just use ORBD... we run every so often on our colo block to ensure no clients are inadvertantly(read lazy) an open relay. http://www.ordb.org/submit/ Dave >-----Original Message----- >From: owner-freebsd-isp@FreeBSD.ORG >[mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of FreeBSD >Sent: Friday, September 27, 2002 2:18 PM >To: isp@FreeBSD.ORG >Subject: open smtp relays and http proxies > > > > >I'm looking software that will allow us to scan >our own netblocks for open smtp relays and open >http and socks proxies. The spammers are very >aggressive about abusing these systems and we >want to check to make sure our users aren't >running such vulnerable systems. > >I know rlytest in the ports collection checks >one host for smtp relaying, but I'd like to scan >entire netblocks at once. > >What else can be done to keep user's systems >safe from spammers? > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-isp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message