From owner-freebsd-security Fri Oct 11 22: 9:30 2002 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 EE5A737B401 for ; Fri, 11 Oct 2002 22:09:28 -0700 (PDT) Received: from mpls-qmqp-04.inet.qwest.net (mpls-qmqp-04.inet.qwest.net [63.231.195.115]) by mx1.FreeBSD.org (Postfix) with SMTP id 3086643E75 for ; Fri, 11 Oct 2002 22:09:28 -0700 (PDT) (envelope-from maildrop@qwest.net) Received: (qmail 20086 invoked by uid 0); 12 Oct 2002 05:04:30 -0000 Received: from unknown (63.231.195.4) by mpls-qmqp-04.inet.qwest.net with QMQP; 12 Oct 2002 05:04:30 -0000 Received: from unknown (HELO jenny) (63.231.238.226) by mpls-pop-04.inet.qwest.net with SMTP; 12 Oct 2002 05:09:27 -0000 Date: Sat, 12 Oct 2002 00:17:42 -0500 Message-ID: From: "Maildrop" To: freebsd-security@freebsd.org Subject: monitor ALL connections to ALL ports MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" 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 V6.00.2800.1106 Importance: Normal Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org I currently have a DSL line and a FreeBSD firewall/gateway (dual homed). It has one internal IP address and 5 external IP address (one "real" ip and 4 alaises on same external nic). What I want to do is montior and record (to log) all incoming/outging connection (just source ip/dest ip/port). If someone connects to my web server it should log what ip accessed it, the time, which ip (web server runs on 2 external ip address) and the port. Also if someone does a port scan against the box I should be able to tell it is a port scan (since one ip address would be opening up a bunch of ports). Right now I don't care what data is being sent/received, just what connections are being made (and the details about those connections). Any suggestions? Regards, Jack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message