Just finished migrating a 8.2 32-bit server to 9.1, using the USB disk method. All seems well with the exception of virus signatures:
# freshclam
ClamAV update process started at Thu Mar 17 12:27:55 2016
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99 Recommended version: 0.99.1
DON'T PANIC! Read http://www.clamav.net/support/faq
WARNING: Can't download main.cvd from db.gr.clamav.net
Trying again in 5 secs...
ClamAV update process started at Thu Mar 17 12:28:00 2016
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99 Recommended version: 0.99.1
DON'T PANIC! Read http://www.clamav.net/support/faq
WARNING: Can't download main.cvd from db.gr.clamav.net
Trying again in 5 secs...
ClamAV update process started at Thu Mar 17 12:28:05 2016
WARNING: Your ClamAV installation is OUTDATED!
[...]
ClamAV update process started at Thu Mar 17 12:28:58 2016
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99 Recommended version: 0.99.1
DON'T PANIC! Read http://www.clamav.net/support/faq
ERROR: Can't download main.cvd from database.clamav.net
Giving up on database.clamav.net...
Update failed. Your network may be down or none of the mirrors listed in /etc/freshclam.conf is working. Check http://www.clamav.net/doc/mirrors-faq.html for possible reasons.
Trying with a db.de.clamav.net mirror instead of db.gr.clamav.net:
# freshclam
ClamAV update process started at Thu Mar 17 12:33:59 2016
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99 Recommended version: 0.99.1
DON'T PANIC! Read http://www.clamav.net/support/faq
WARNING: getfile: Unknown response from remote server (IP: 62.201.161.84)
WARNING: Can't download main.cvd from db.de.clamav.net
Trying again in 5 secs...
ClamAV update process started at Thu Mar 17 12:34:05 2016
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99 Recommended version: 0.99.1
DON'T PANIC! Read http://www.clamav.net/support/faq
WARNING: getfile: Unknown response from remote server (IP: 62.201.161.84)
WARNING: Can't download main.cvd from db.de.clamav.net
Trying again in 5 secs...
ClamAV update process started at Thu Mar 17 12:34:10 2016
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99 Recommended version: 0.99.1
DON'T PANIC! Read http://www.clamav.net/support/faq
WARNING: getfile: Unknown response from remote server (IP: 178.63.73.246)
WARNING: Can't download main.cvd from db.de.clamav.net
Trying again in 5 secs...
ClamAV update process started at Thu Mar 17 12:34:15 2016
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99 Recommended version: 0.99.1
DON'T PANIC! Read http://www.clamav.net/support/faq
WARNING: getfile: Unknown response from remote server (IP: 144.76.28.11)
WARNING: Can't download main.cvd from db.de.clamav.net
Trying again in 5 secs...
...
ERROR: Can't download main.cvd from database.clamav.net
Giving up on database.clamav.net...
Update failed. Your network may be down or none of the mirrors listed in /etc/freshclam.conf is working. Check http://www.clamav.net/doc/mirrors-faq.html for possible reasons.
Ran also the /usr/bin/refreshclam script; failed again! Any idea what I should check next?
My configuration (ported obviously from 8.2):
# config show clamav
clamav=service
ArchiveBlockEncrypted=no
Checks=24
DNSDatabaseInfo=current.cvd.clamav.net
DatabaseMirror=db.de.clamav.net
Debug=no
DetectBrokenExecutables=no
FilesystemScan=disabled
FilesystemScanExclude=/proc,/sys,/usr/share,/var
FilesystemScanFilesystems=/home/e-smith/files
FilesystemScanReportTo=admin
FilesystemScanUnofficialSigs=no
Foreground=yes
HTTPProxyPassword=
HTTPProxyPort=
HTTPProxyServer=
HTTPProxyUsername=
HeuristicScanPrecedence=yes
IdleTimeout=60
LeaveTemporaryFiles=no
LogClean=no
LogFileUnlock=yes
LogTime=no
LogVerbose=yes
MaxAttempts=6
MaxConnectionQueueLength=30
MaxDirectoryRecursion=20
MaxFileSize=15M
MaxFiles=1500
MaxRecursion=8
MaxThreads=20
Quarantine=disabled
QuarantineDirectory=/var/spool/clamav/quarantine
ReadTimeout=300
ScanArchive=yes
ScanHTML=yes
ScanMail=yes
ScanOLE2=yes
ScanPE=yes
ScanRAR=no
SelfCheck=1800
ShowProxySettings=no
ShowUpdateSettings=no
SignaturesUpdated=unknown
UpdateNonOfficeHrs=disabled
UpdateOfficeHrs=disabled
UpdateWeekend=disabled
status=enabled