Fixing Clamav error: “WARNING: Can’t download daily.cvd from database.clamav.net”

On one of the Debian Squeeze Servers, where I have Running QMAIL Server, I haven't checked logs for a long time. Cause Qmail is configured and all runs smoothly. Just today while checking logs, I've noticed in /var/log/clamav/clamav.log, clamav database fails to be updated with an error, e.g.:

qmail:~# tail -n 28 /var/log/clamav/clamav.log

ClamAV update process started at Thu Jun 6 20:47:14 2013
main.cvd is up to date (version: 54, sigs: 1044387, f-level: 60, builder: sven)
WARNING: getpatch: Can't download daily-16682.cdiff from db.local.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from db.local.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from db.local.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from db.local.clamav.net
ERROR: getpatch: Can't download daily-16682.cdiff from db.local.clamav.net
WARNING: Incremental update failed, trying to download daily.cvd
ERROR: Can't download daily.cvd from db.local.clamav.net
Giving up on db.local.clamav.net…
ClamAV update process started at Thu Jun 6 20:47:15 2013
main.cvd is up to date (version: 54, sigs: 1044387, f-level: 60, builder: sven)
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: Incremental update failed, trying to download daily.cvd
WARNING: Can't download daily.cvd from database.clamav.net
Trying again in 5 secs…
ClamAV update process started at Thu Jun 6 20:47:20 2013
main.cvd is up to date (version: 54, sigs: 1044387, f-level: 60, builder: sven)
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net
WARNING: Incremental update failed, trying to download daily.cvd
WARNING: Can't download daily.cvd from database.clamav.net

On host Freshclam is configured to run in background as a service i.e.:

qmail:~#
 ps ax|grep -i fresh|grep -v grep
13615 ? Ss 0:02 /usr/bin/freshclam -d –quiet
 

I stopped clamav and tried running it manually through its script: qmail:~# /etc/init.d/clamav-freshclam restart

The error was reoccuring, so I decided to kill it and try running freshclam manually:

qmail:~# kill -9 freshclam

qmail:~# freshclam
I got same error again:
 

Thu Jun 6 16:46:20 2013 -> ClamAV update process started at Thu Jun 6 16:46:20 2013 Thu Jun 6 16:46:20 2013 -> main.cvd is up to date (version: 54, sigs: 1044387, f-level: 60, builder: sven) Thu Jun 6 16:46:20 2013 -> WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net Thu Jun 6 16:46:20 2013 -> WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net Thu Jun 6 16:46:20 2013 -> WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net Thu Jun 6 16:46:20 2013 -> WARNING: getpatch: Can't download daily-16682.cdiff from database.clamav.net Thu Jun 6 16:46:20 2013 -> ERROR: getpatch: Can't download daily-16682.cdiff from database.clamav.net Thu Jun 6 16:46:20 2013 -> WARNING: Incremental update failed, trying to download daily.cvd Thu Jun 6 16:46:20 2013 -> ERROR: Can't download daily.cvd from database.clamav.net Thu Jun 6 16:46:20 2013 -> Giving up on database.clamav.net… Thu Jun 6 16:46:20 2013 -> Update failed. Your network may be down or none of the mirrors listed in /etc/clamav/freshclam.conf is working. Check http://www.clamav.net/support/mirror-problem for possible reasons.

The solution was to delete clamav database filedaily.cvd and then run another freshclam Clamav DB virus update:

qmail:~# rm -f /var/lib/clamav/daily.cvd
qmail:~# freshclam
root@pcfreak:/etc/init.d# freshclam ClamAV update process started at Thu Jun 6 22:07:21 2013
main.cvd is up to date (version: 54, sigs: 1044387, f-level: 60, builder: sven)
Downloading daily.cvd [100%]
daily.cvd updated (version: 17309, sigs: 1302714, f-level: 63, builder: neo)
bytecode.cld is up to date (version: 214, sigs: 41, f-level: 63, builder: neo)
Database updated (2347142 signatures) from db.local.clamav.net (IP: 195.222.33.229)

Finally, to make freshclam work as daemon, restarted init script:

qmail:~# /etc/init.d/clamav-freshclam restart
[ ok ] Stopping ClamAV virus database updater: freshclam.
[ ok ] Starting ClamAV virus database updater: freshclam.

 

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