[QCLUG] QCLUG

[DMichael Burns]

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I really like what I read about your product, and welcome to the group.

Now, for a little sarcasm on my part -


> a person needs Microsoft's specialized dev kit for interfacing with the
> hard drive device layer...This dev kit is only offered under terms that are
> very hostile to anybody releasing a GPL real time anti-virus engine.  I
> don't think anybody with the wherewithal to write such an engine has had the
> guts to test Microsoft in court.
>

That is how Microsoft follows through on their promise to be more accepting
of the Open Source Community.

:)

Zonie

On Mon, Sep 29, 2008 at 10:02 AM, David Hinkle <hinkle@cipafilter.com>wrote:

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


-- 
"Men and women belong to different species and communications between them
is still in its infancy."
--Bill Cosby, American Comedian

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