freshclam(1) Clam AntiVirus freshclam(1)
freshclam - update virus databases
freshclam is a virus database update tool for ClamAV.
Freshclam reads its configuration from freshclam.conf. The settings can
be overwritten with command line options.
Output help information and exit.
Print version number and exit.
Be verbose. This option causes freshclam to print much addi
Be quiet - output only error messages.
Write all messages to stdout.
-l FILE, --log=FILE
Write download report to FILE.
Install new database in DIRECTORY. The directory must be
writable for the user or unprivileged user running freshclam.
-u USER, --user USER
Run as USER. By default (when started by root) freshclam drops
privileges and operates as the user.
Run in a daemon mode. This option requires --checks. -p FILE,
--pid=FILE Write daemons pid to FILE.
This option forces old non-DNS verification method (without a
-c #n, --checks=#n
Check #n times per day for a new database. #n must be between 1
Notify the daemon about the new database. By default it reads a
hardcoded config file but you can use a different one. Both
local and TCP sockets are supported.
-a IP, --local-address=IP
Use (local) IP for HTTP downloads. Useful for multi-homed sys
tems. If binding fails for whatever reason, a warning is issued
and freshclam behaves like without this flag.
Execute COMMAND if error occurred. Remember, that virus database
freshness is the most important thing in anti-virus system. With
this option freshclam can alert you (eg. send SMS) when some
thing is going wrong.
Execute COMMAND after successful update.
Execute COMMAND when freshclam reports outdated version. In the
command string %v will be replaced by the new version number.
Pring mirror details from mirrors.dat (cache file for the mirror
(0) Download database to default directory:
(1) Download database to current directory:
(2) Run as a daemon and check 2 times per day for new database:
freshclam -d -c 2
0 : Database successfully updated.
1 : Database is up-to-date.
40: Unknown option passed.
50: Cant change directory.
51: Cant check MD5 sum.
52: Connection (network) problem.
53: Cant unlink file.
54: MD5 or digital signature verification error.
55: Error reading file.
56: Config file error.
57: Cant create new file.
58: Cant read database from remote server.
59: Mirrors are not fully synchronized (try again later).
60: Cant get information about user from /etc/passwd.
61: Cant drop privileges.
62: Cant initialize logger.
Please check the full documentation for credits.
clamd(8), clamdscan(1), clamscan(1), sigtool(1), clamd.conf(5), clamav-
ClamAV 0.92.1 February 12, 2007 freshclam(1)