Before you can run ClamAV in daemon mode (clamd), 'clamdscan',
or 'clamscan' which is ClamAV's command line virus scanner,
you must have ClamAV Virus Database (.cvd) file(s) installed
in the appropriate location on your system. The default
location for these database files are /usr/local/share/clamav
(in Linux/Unix).
Here is a listing of currently available ClamAV Virus Database Files:
- bytecode.cvd (signatures to detect bytecode in files)
- main.cvd (main ClamAV virus database file)
- daily.cvd (daily update file for ClamAV virus databases)
- safebrowsing.cvd (virus signatures for safe browsing)
These files can be downloaded via HTTP from the main ClamAV website
or via the 'freshclam' utility on a periodic basis. Using 'freshclam'
is the preferred method of keeping the ClamAV virus database files
up to date without manual intervention (see section 4.4 for
information on how to configure 'freshclam' for automatic updating and section
5.7 for additional details on freshclam).
Cisco 2018-03-28
