From owner-freebsd-questions@freebsd.org Wed Mar 23 21:00:44 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 349B1ADB316 for ; Wed, 23 Mar 2016 21:00:44 +0000 (UTC) (envelope-from bah@bananmonarki.se) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 208D2197A for ; Wed, 23 Mar 2016 21:00:44 +0000 (UTC) (envelope-from bah@bananmonarki.se) Received: by mailman.ysv.freebsd.org (Postfix) id 1FD35ADB315; Wed, 23 Mar 2016 21:00:44 +0000 (UTC) Delivered-To: questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1D050ADB314 for ; Wed, 23 Mar 2016 21:00:44 +0000 (UTC) (envelope-from bah@bananmonarki.se) Received: from feeder.usenet4all.se (1-1-1-38a.far.sth.bostream.se [82.182.32.53]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 926431978 for ; Wed, 23 Mar 2016 21:00:40 +0000 (UTC) (envelope-from bah@bananmonarki.se) Received: from [10.0.0.3] (testbox.usenet4all.se [10.0.0.3]) by feeder.usenet4all.se (8.13.1/8.13.1) with ESMTP id u2NKmOhq085519; Wed, 23 Mar 2016 21:48:24 +0100 (CET) (envelope-from bah@bananmonarki.se) Subject: Re: [Phishing]Re: Anti-virus for FreeBSD To: Daniel Feenberg , Valeri Galtsev References: <1458712914.1578.37.camel@au.dyndns.ws> <62985.128.135.52.6.1458748953.squirrel@cosmo.uchicago.edu> Cc: krad , Olivier Nicole , questions@freebsd.org, Wayne Sierke From: Bernt Hansson Message-ID: <56F30107.7090301@bananmonarki.se> Date: Wed, 23 Mar 2016 21:48:07 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Wed, 23 Mar 2016 21:58:27 +0000 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Mar 2016 21:00:44 -0000 On 2016-03-23 17:31, Daniel Feenberg wrote: > > > On Wed, 23 Mar 2016, Valeri Galtsev wrote: > >> >> Partly to toss some more fuel into the fire ;-) and partly to discourage >> too harsh judgement of "some anti-vurus software not catching some >> viruses" (or should I say virii as a plural of Latin word virus?) >> >> First of all, the whole anti-virus approach is fundamentally flawed. In >> fact, you can not enumerate bad (what anti-virus is trying to do). You >> only can enumerate good and prohibit everything else. So, don't be too >> harsh on those [anti-viruses] that miss some of evil things sometimes: >> remember, they are trying to do the task that is fundamentally flawed. >> > > Is there a package out there that would block all email messages with > binary executable content? I understand that pdf and word files may > contain executable code - the package would have to be able to > distinguish such files with executable code and those without. (Is > that possible)? > > For us, that would be a satisfactory substitute for Kaspersky, perhaps > even a superior one. > > daniel feenberg Yes. There was a port called messagewall, where one could block attachments and html and other nasty stuff. Not in the ports any more.