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<P><FONT SIZE=2>Very interesting. I'll have to look this =
over.<BR>
<BR>
David<BR>
<BR>
<BR>
-----Original Message-----<BR>
From: qclug-bounces@qclug.org on behalf of Dave Bergert<BR>
Sent: Mon 9/29/2008 10:07 PM<BR>
To: qclug@qclug.org<BR>
Subject: Re: [QCLUG] QCLUG<BR>
<BR>
Also: I ran into this links related ot real time scanning on =
windows <BR>
using ClamAV.<BR>
<BR>
How to Enable Real Time Virus Scanning for ClamAV<BR>
<A =
HREF="http://www.techmalaya.com/2008/05/10/clamav-real-time-scan/">http=
://www.techmalaya.com/2008/05/10/clamav-real-time-scan/</A><BR>
<BR>
But -- this is really off-topic for our group ? right ? :)<BR>
<BR>
<BR>
On Sep 29, 2008, at 10:02 AM, David Hinkle wrote:<BR>
<BR>
> Unfortunately what actually prevents a real time anti-virus =
engine <BR>
> for windows from being released to the wild under the GPL is =
that <BR>
> fact that in order to write such an engine, a person =
needs <BR>
> Microsoft's specialized dev kit for interfacing with the hard =
drive <BR>
> device layer. Such device drivers are called file system =
filters or <BR>
> minifilters. This dev kit is only offered under terms that =
are very <BR>
> hostile to anybody releasing a GPL real time anti-virus =
engine. I <BR>
> don't think anybody with the wherewithal to write such an engine =
has <BR>
> had the guts to test Microsoft in court.<BR>
><BR>
> What we did, was to write a standalone application called =
a <BR>
> "minifilter" that is loaded like a device driver. =
Another <BR>
> standalone application that is a tray client and user =
interface. <BR>
> Then I ported the clamav engine to windows and turned it into =
a <BR>
> service that accepts requests to scan over a named pipe. The =
source <BR>
> code for the clamav port is available, of course, but the other =
two <BR>
> applications are proprietary. I am actually going to =
propose to my <BR>
> company that we open source this project, but the decision is =
not <BR>
> mine alone.<BR>
><BR>
> Before we wrote this, we actually tried working with clamwin =
project <BR>
> instead. I offered to work with them on the port and they =
accepted <BR>
> my offer but then they just strung me along for months =
without <BR>
> giving me access to their repositories. We couldn't afford to =
wait <BR>
> for them so we had to develop our own, which was a very =
expensive <BR>
> and time consuming project, as you may imagine.<BR>
><BR>
> David<BR>
><BR>
> -----Original Message-----<BR>
> From: qclug-bounces@qclug.org on behalf of Aaron Johnson<BR>
> Sent: Mon 9/29/2008 7:59 AM<BR>
> To: qclug@qclug.org<BR>
> Subject: RE: [QCLUG] QCLUG<BR>
><BR>
> I noticed that your appliance (CIPAFilter) uses a =
real-time <BR>
> antivirus client<BR>
> based on the open source ClamAV engine.<BR>
><BR>
> Does DerbyTech contribute to the ClamWin project at all? I know =
one <BR>
> thing<BR>
> that ClamWin has been talking about for a LONG time is developing =
an<BR>
> on-access real-time scanning function...<BR>
><BR>
> -----Original Message-----<BR>
> From: qclug-bounces@qclug.org [<A =
HREF="mailto:qclug-bounces@qclug.org">mailto:qclug-bounces@qclug.org</A=
>] On <BR>
> Behalf Of<BR>
> David Hinkle<BR>
> Sent: Monday, September 29, 2008 12:46 AM<BR>
> To: qclug@qclug.org<BR>
> Subject: RE: [QCLUG] QCLUG<BR>
><BR>
> CIPAFilter uses a lot of open source for our basic =
functionality, <BR>
> such as<BR>
> firewall, routing, NAT, etc... We use Ubunto Linux for the =
OS. We <BR>
> do use<BR>
> ClamAv, but not freeswan or squid. (We did use freeswan in the =
past).<BR>
><BR>
> However, our core features (such as the proxy, reporting, <BR>
> greylisting), are<BR>
> implemented with proprietary non-gpl software we developed. =
We also <BR>
> use<BR>
> spamassassin and sendmail in conjunction with a proprietary milter =
we<BR>
> developed for our mail features and to implement some extensions =
to <BR>
> SPF,<BR>
> greylisting and some additional header analysis.<BR>
><BR>
> There's no download link, but of course our customers can =
request <BR>
> any GPL<BR>
> software from us that we distribute with our product. In some =
cases <BR>
> third<BR>
> parties can also make requests from us, but you need to be =
in <BR>
> possession of<BR>
> the binaries and request a specific software package used in =
the <BR>
> product by<BR>
> name. (See GPLv3 6-b).<BR>
><BR>
> We're very careful about licensing, none of our proprietary =
software <BR>
> is<BR>
> linked with GPL binaries or libraries, and as a company we focus =
on <BR>
> the<BR>
> development of our proprietary software. Linux is a platform =
for <BR>
> us, not an<BR>
> end to itself. It does, however, make an excellent =
platform.<BR>
><BR>
> But all that being said, we also believe in being in compliance =
with <BR>
> the<BR>
> spirit of the GPL. For example, if someone wants the source =
for a GPL<BR>
> package I've actually modified I'll be happy to provide it via =
email <BR>
> at no<BR>
> charge, and I don't much care if they're a customer or =
not. But <BR>
> you'd have<BR>
> to tell me what package you want the source for.<BR>
><BR>
> David<BR>
><BR>
><BR>
> -----Original Message-----<BR>
> From: qclug-bounces@qclug.org on behalf of Dave Bergert<BR>
> Sent: Sun 9/28/2008 10:41 PM<BR>
> To: qclug@qclug.org<BR>
> Subject: Re: [QCLUG] QCLUG<BR>
><BR>
> Welcome, the list have been quite of late.<BR>
><BR>
> I was looking at CIPAFiler .. It appears that CIPAFilter uses =
some<BR>
> GPL'ed open source projects, e..g FreeSwan, ClamAV, squid. -- =
do you<BR>
> have a link to download the source of CIPAFilter ? I'm =
interested in<BR>
> learning more about it.<BR>
><BR>
> Regards.<BR>
><BR>
><BR>
> On Sep 28, 2008, at 9:23 PM, David Hinkle wrote:<BR>
><BR>
> ><BR>
> > Active? Alive? What's your status. I'm David =
Hinkle, Sr.<BR>
> > Programmer for CIPAFilter. CIPAFilter is a Quad Cities =
company that<BR>
> > specializes in products using embedded linux. I'm =
interested in<BR>
> > becoming involved with the LUG.<BR>
> ><BR>
> > David<BR>
> ><BR>
><BR>
><BR>
><BR>
><BR>
> No virus found in this incoming message.<BR>
> Checked by AVG - <A =
HREF="http://www.avg.com">http://www.avg.com</A><BR>
> Version: 8.0.169 / Virus Database: 270.7.4/1695 - Release =
Date: <BR>
> 9/27/2008<BR>
> 1:11 PM<BR>
><BR>
> _______________________________________________<BR>
> QCLUG mailing list<BR>
> QCLUG@qclug.org<BR>
> <A =
HREF="http://qclug.org/mailman/listinfo/qclug">http://qclug.org/mailman=
/listinfo/qclug</A><BR>
><BR>
><BR>
<BR>
Dave Bergert<BR>
dbergert@gmail.com<BR>
<BR>
<BR>
<BR>
<BR>
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