From owner-freebsd-net@FreeBSD.ORG Sat Feb 15 23:44:49 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E1496D15 for ; Sat, 15 Feb 2014 23:44:49 +0000 (UTC) Received: from vps.hungerhost.com (vps.hungerhost.com [216.38.53.176]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id AFD5714F4 for ; Sat, 15 Feb 2014 23:44:49 +0000 (UTC) Received: from pool-96-250-5-187.nycmny.fios.verizon.net ([96.250.5.187]:62952 helo=new-host-2.home) by vps.hungerhost.com with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.80.1) (envelope-from ) id 1WEoue-0000bo-Ib; Sat, 15 Feb 2014 18:44:48 -0500 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 7.1 \(1827\)) Subject: Re: Recommendations for packet capture From: George Neville-Neil In-Reply-To: Date: Sat, 15 Feb 2014 18:44:47 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: <3D9E8EFA-1EB0-4CA6-B26E-CA87553150E3@neville-neil.com> References: <1392304466.63673.23.camel@btw.pki2.com> To: "C. L. Martinez" X-Mailer: Apple Mail (2.1827) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vps.hungerhost.com X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - neville-neil.com X-Get-Message-Sender-Via: vps.hungerhost.com: authenticated_id: gnn@neville-neil.com Cc: FreeBSD Net X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 Feb 2014 23:44:49 -0000 On Feb 14, 2014, at 2:21 , C. L. Martinez wrote: > On Thu, Feb 13, 2014 at 3:14 PM, Dennis Glatting wrote: >> On Thu, 2014-02-13 at 09:14 +0000, C. L. Martinez wrote: >>> Hi all, >>>=20 >>> I need to setup some FreeBSD (or Linux, it depends) hosts to use as = a >>> packet capture sensors for our infrastrucutre. >>>=20 >>> Searching about software that I could use under FreeBSD, I only find >>> these ones: >>>=20 >>> a) daemonlogger >>> b) streamdb >>>=20 >>> For Linux, it seems exits more alternatives. Any suggestions?? >>>=20 >>> I need to monitor 1 GiB networks. >>>=20 >>=20 >> I've not (yet) used these: >>=20 >> /usr/ports/security/sguil-client >> /usr/ports/security/sguil-sensor >> /usr/ports/security/sguil-server >>=20 >>=20 >>> Thanks. >=20 > Thanks Dennis, but Sguil is not a packet capture componente. Sguil > needs daemonlogger to show you captured data. I might be a bit confused. Can you just use tcpdump with the = appropriate flags to limit the size and number of files? What are you trying to achieve? Best, George