[clamav-users] Detected duplicate databases

Hugo Deprez hugo.deprez at gmail.com
Thu Jan 11 09:15:23 UTC 2018


Hello,

thank you for the answer.
I don't think my freshclam is trying to download the cdiff file because I
use : ScriptedUpdates no

Is this parameter you are talking about incremental updates ?

I know this is not bandwith efficient, but I had to many issues with
freshclam and my local repository made by clamdownloader.pl

Best regards,

On 10 January 2018 at 10:20, Al Varnell <alvarnell at mac.com> wrote:

> The first time freshclam pulls down a daily.cdiff file, your daily.cvd
> file will be decompressed to daily.cld and the .cdiff file added to it.
> From that point on you should only have the daily.cld file. One exception
> is that if for some reason freshclam is unable to find needed .cdiff files
> on a mirror, it will download a new .cvd file which will start the process
> again.
>
> It is possible to reconfigure freshclam to download .cvd files by
> disabling incremental updates, but that would be very inefficient use of
> bandwidth and mirror server time, so unless you have a overriding need for
> that, I don't recommend it.
>
> -Al-
>
> On Wed, Jan 10, 2018 at 01:12 AM, Hugo Deprez wrote:
> > Hello,
> >
> > I have a question about daily.cvd and daily.cld files. If I understood
> > correctly, those two files are almost the same : one is compressed, the
> > other is not.
> > Still I have an issue in my setup :
> >
> > If I put both filtes in apache2 server (which act as PrivateMirror) :
> >
> > -rw-r--r-- 1 www-data www-data 117892267 07.06.2017 23:38 main.cvd
> > -rw-r--r-- 1 www-data www-data    153228 07.12.2017 03:17 bytecode.cvd
> > lrwxrwxrwx 1 root     root             8 05.01.2018 10:14 main.cld ->
> > main.cvd
> > lrwxrwxrwx 1 root     root             9 05.01.2018 10:14 daily.cld ->
> > daily.cvd
> > lrwxrwxrwx 1 root     root            12 05.01.2018 10:14 bytecode.cld ->
> > bytecode.cvd
> > -rw-r--r-- 1 www-data www-data  43804052 10.01.2018 06:17 daily.cvd
> >
> > On the client side I have this Warning :
> >
> > LibClamAV Warning: Detected duplicate databases /var/lib/clamav/daily.cvd
> > and /var/lib/clamav/daily.cld, please manually remove one of them
> >
> >
> > But If I remove the *.cld files on my PrivateMirror I got multiples 404
> > errors from the Freshclam clients.
> >
> > Is there a way to configure Freshclam in order to grabe only the cvd
> files
> > ?
> >
> > Best regards,
>
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