[xmail] Re: Clam AV?

2003-08-29 Thread Davide Libenzi

On Fri, 29 Aug 2003, EDV - WHW (Goesta Smekal) wrote:

>
> On 28 Aug 2003 at 14:12, Toby Reiter wrote:
>
> > So I'd like to use Clam Av (unless anyone has any other open source
> > anti-virus ideas for Linux).
>
> As others said before: use it with caution ! We used it for a while
> but after the Klez.H outbreak I switched to Sophos. If you do serious
>
> business I think it's worth investing in a commercial scanner (I
> never thought I would say that since I'm a free software junkie)

What you pay when you buy a commercial AV solution is not the dumb AV
engine. You pay the fact of being able to access a signature database that
is updated around the clock. Since updating (at worm speed time) the
signature database is a pretty boring task, it's unlikely to have ppl to
line up to do this for free. This is way free AV will be unlikely to fly.



- Davide

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[xmail] Re: Clam AV?

2003-08-29 Thread Benny

I have been using Peter's new updated ClamAV filter with ClamAV and it has
caught all the virus's so far.  I know this, because we also have Norton
Antivirus Corp. running behind the mail server and since I installed the
email virus checker, the system does not find anymore virus's.  We could be
just getting the "mainstream" virus's and thats why it may seem to be
catching everything, though.

During the Sobig and the Blaster problems, it caught all them and we were
not affected.

Anyways, overall, I am completely happy about the whole implementation.

Ben

- Original Message - 
From: "EDV - WHW (Goesta Smekal)" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 29, 2003 1:21 AM
Subject: [xmail] Re: Clam AV?


> =5.0
> tests=EMAIL_ATTRIBUTION,QUOTED_EMAIL_TEXT,SIGNATURE_LONG_SPARSE
> version=2.50
> X-Spam-Level: 
> X-Spam-Checker-Version: SpamAssassin 2.50 (1.173-2003-02-20-exp)
> 
> 
> On 28 Aug 2003 at 14:12, Toby Reiter wrote:
> 
> > So I'd like to use Clam Av (unless anyone has any other open source
> > anti-virus ideas for Linux).
> 
> As others said before: use it with caution ! We used it for a while 
> but after the Klez.H outbreak I switched to Sophos. If you do serious 
> 
> business I think it's worth investing in a commercial scanner (I 
> never thought I would say that since I'm a free software junkie)
> 
> > I think I can probably use the existing
> > virus filters without too much hassle, but I wanted to get feedback
> > from other users on whether they've tried Clam AV, and what they
> > thought about it. Also info on any open source anti-virus setups
> > successfully installed on Linux would be appreciated.
> 
> You can download my filter script (perl) tailored for ClamAV from
> 
> http://members.chello.at/goesta.smekal/code/
> 
> I have got an updated version in productive use (with Sophos) which I 
> 
> will post if there is any kind of interest out there ...
> 
>   hope that helps,
> 
>   Goesta
> 
> P.S.: sorry, Toby, you get this double, since I seem to forget to 
> post answers to the list instead of the author lately ...
> 
> 
> -- 
> Goesta Smekal (IT Systems Administrator)
> Wiener Hilfswerk
> Schottenfeldgasse 29
> A-1072 Vienna - AUSTRIA
> Phone: ++431-512 36 61-407 Fax: ++431-512 36 61-33
> 
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[xmail] Re: Clam AV?

2003-08-29 Thread Benny

Here is an update to your OpenAntivirus database statement... This may be
new to ClamAV, but in there 0.60 version it states this:

"
Many people get confused with ClamAV database status because of
the OpenAntiVirus update information at:
http://openantivirus.org/latest.php
(last update at 17 October, 2002). The ClamAV virus database contains
the OAV database (with some signatures fixed or removed) but we
develop it independently of the OAV project. Our database is updated
frequently (on average 4-5 times a week). You can help (or join) us -
will find some basic but useful instructions at
http://clamav.elektrapro.com/doc/signatures.pdf
"

Ben

- Original Message - 
From: "Kirk Friggstad" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, August 28, 2003 6:04 PM
Subject: [xmail] Re: Clam AV?


>
> From a comp.os.linux.security posting from March 3, 2003:
>
> "However, use it [ClamAV] at your peril.
>
> Clam AntiVirus uses the OpenAntivirus virus database.  It is in an early
> development state and members of the OpenAntivirus group say that it
> should be regarded as a "toy" at present.  It is not up-to-date and tests
> by the group using it have found that the database does not (yet) trap
> many ITW (in the wild) viruses.  They have consistently told me that they
> have asked Clam Antivirus NOT to use their database in Clam
Antivirus."
>
> (found on Google groups - search for "clam antivirus" and "old rocker"
> should have this posting as the top result)
>
> Took a quick peek at Open Antivirus' page on SourceForge - the virus
> signature database they have there is dated back to May of 2002, so I'd be
> inclined to agree with the person who posted the above message to Usenet.
>
> Hope this helps. We just implemented F-Prot with Peter Lindemann's AV
script
> this past week - we're averaging about 3000 viruses per day (mostly Sobig,
> with a sprinkling of Klez, Bugbear and other classics). Very happy with it
> so far - the price tag wasn't insignificant, but it was much less than it
> would have been for a commercial mail package with integrated virus
> scanning.
>
> Kirk.
>
> -----Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Filip
> Sent: Thursday, August 28, 2003 4:50 PM
> To: Toby Reiter
> Subject: [xmail] Re: Clam AV?
>
>
>
> Hi,
>
> I have a collection from viruses my av-filter (linked on
> xmailserver.org) caught using f-prot. I compared clamav and f-prot on
> Linux RH 9 :
>
> #clamscan /var/MailRoot/filters/XM_Fprot_Filter/InfectedMessages/
> Scanned files: 94
> Infected files: 41
>
>
> #f-prot /var/MailRoot/filters/XM_Fprot_Filter/InfectedMessages/
> Files: 94
> Infected: 92
> Suspicious: 1
>
>
> Any other experience or comment on this ?
>
>
> --
> Fil.
>
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> the body of a message to [EMAIL PROTECTED]
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> [EMAIL PROTECTED]
>
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>

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[xmail] Re: Clam AV?

2003-08-29 Thread EDV - WHW (Goesta Smekal)

On 28 Aug 2003 at 14:12, Toby Reiter wrote:

> So I'd like to use Clam Av (unless anyone has any other open source
> anti-virus ideas for Linux).

As others said before: use it with caution ! We used it for a while 
but after the Klez.H outbreak I switched to Sophos. If you do serious 

business I think it's worth investing in a commercial scanner (I 
never thought I would say that since I'm a free software junkie)

> I think I can probably use the existing
> virus filters without too much hassle, but I wanted to get feedback
> from other users on whether they've tried Clam AV, and what they
> thought about it. Also info on any open source anti-virus setups
> successfully installed on Linux would be appreciated.

You can download my filter script (perl) tailored for ClamAV from

http://members.chello.at/goesta.smekal/code/

I have got an updated version in productive use (with Sophos) which I 

will post if there is any kind of interest out there ...

  hope that helps,

  Goesta

P.S.: sorry, Toby, you get this double, since I seem to forget to 
post answers to the list instead of the author lately ...


-- 
Goesta Smekal (IT Systems Administrator)
Wiener Hilfswerk
Schottenfeldgasse 29
A-1072 Vienna - AUSTRIA
Phone: ++431-512 36 61-407 Fax: ++431-512 36 61-33

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[xmail] Re: Clam AV?

2003-08-28 Thread Kirk Friggstad

>From a comp.os.linux.security posting from March 3, 2003:

"However, use it [ClamAV] at your peril.

Clam AntiVirus uses the OpenAntivirus virus database.  It is in an early
development state and members of the OpenAntivirus group say that it
should be regarded as a "toy" at present.  It is not up-to-date and tests
by the group using it have found that the database does not (yet) trap
many ITW (in the wild) viruses.  They have consistently told me that they
have asked Clam Antivirus NOT to use their database in Clam Antivirus."

(found on Google groups - search for "clam antivirus" and "old rocker"
should have this posting as the top result)

Took a quick peek at Open Antivirus' page on SourceForge - the virus
signature database they have there is dated back to May of 2002, so I'd be
inclined to agree with the person who posted the above message to Usenet.

Hope this helps. We just implemented F-Prot with Peter Lindemann's AV script
this past week - we're averaging about 3000 viruses per day (mostly Sobig,
with a sprinkling of Klez, Bugbear and other classics). Very happy with it
so far - the price tag wasn't insignificant, but it was much less than it
would have been for a commercial mail package with integrated virus
scanning.

Kirk.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Filip
Sent: Thursday, August 28, 2003 4:50 PM
To: Toby Reiter
Subject: [xmail] Re: Clam AV?



Hi,

I have a collection from viruses my av-filter (linked on
xmailserver.org) caught using f-prot. I compared clamav and f-prot on
Linux RH 9 :

#clamscan /var/MailRoot/filters/XM_Fprot_Filter/InfectedMessages/
Scanned files: 94
Infected files: 41


#f-prot /var/MailRoot/filters/XM_Fprot_Filter/InfectedMessages/
Files: 94
Infected: 92
Suspicious: 1


Any other experience or comment on this ?


--
Fil.

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[xmail] Re: Clam AV?

2003-08-28 Thread Filip

Hi,

I have a collection from viruses my av-filter (linked on
xmailserver.org) caught using f-prot. I compared clamav and f-prot on
Linux RH 9 : 

#clamscan /var/MailRoot/filters/XM_Fprot_Filter/InfectedMessages/
Scanned files: 94
Infected files: 41


#f-prot /var/MailRoot/filters/XM_Fprot_Filter/InfectedMessages/
Files: 94
Infected: 92
Suspicious: 1


Any other experience or comment on this ?


-- 
Fil.

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[xmail] Re: Clam AV?

2003-08-28 Thread Peter Lindeman

Toby Reiter wrote:

> I know that filters exist for Fprot and AntiVir on Linux, but I'd 
> really rather go the open source route (since, technically, I'd have 
> to pay considerably to use either of the commercial products).
> 
> So I'd like to use Clam Av (unless anyone has any other open source 
> anti-virus ideas for Linux).  I think I can probably use the existing 
> virus filters without too much hassle, but I wanted to get feedback 
> from other users on whether they've tried Clam AV, and what they 
> thought about it. Also info on any open source anti-virus setups 
> successfully installed on Linux would be appreciated.

I allready have allready build in support for ClamAV but I haven't find 
the time yet to release it. I will try to put it on my site tonight so 
you can find it at http://www.lindeman.org/filters.html The version with 
ClamAV support will be version 1.7

-- 
Groeten,
Peter

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