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freshclam.conf(5)		Clam AntiVirus		     freshclam.conf(5)

NAME
       freshclam.conf  - Configuration file for Clam AntiVirus database update
       tool

DESCRIPTION
       The file freshclam.conf configures the Clam AntiVirus Database Updater,
       freshclam(1).

FILE FORMAT
       The  file  consists  of	comments and options with arguments. Each line
       which starts with a hash (#) symbol is ignored by the  parser.  Options
       and  arguments  are case sensitive and of the form Option Argument. The
       arguments are of the following types:

       BOOL   Boolean value (yes/no or true/false or 1/0).

       STRING String without blank characters.

       SIZE   Size in bytes. You can use 'M' or 'm'  modifiers	for  megabytes
	      and 'K' or 'k' for kilobytes.

       NUMBER Unsigned integer.

DIRECTIVES
       When  an	 option is not used (hashed or doesn't exist in the configura‐
       tion file) freshclam takes a default action.

       Example
	      If this option is set freshclam will not run.

       DatabaseOwner STRING
	      When started by root, drop privileges to a specified user.
	      Default:

       AllowSupplementaryGroups BOOL
	      Initialize supplementary group access (freshclam must be started
	      by root).
	      Default: disabled

       DatabaseDirectory STRING
	      Path to a directory containing database files.
	      Default: /var/lib/clamav

       Checks NUMBER
	      Number of database checks per day.
	      Default: 12

       UpdateLogFile STRING
	      Enable logging to a specified file. Highly recommended.
	      Default: disabled.

       LogFileMaxSize SIZE
	      Limit the size of the log file. The logger will be automatically
	      disabled if the file is greater than SIZE. Value of  0  disables
	      the limit.
	      Default: 1M

       LogSyslog BOOL
	      Enable  logging  to  Syslog.  May	 be  used  in combination with
	      UpdateLogFile.
	      Default: disabled.

       LogFacility STRING
	      Specify the type of syslog messages - please refer to 'man  sys‐
	      log' for facility names.
	      Default: LOG_LOCAL6

       PidFile STRING
	      This  option  allows  you	 to save the process identifier of the
	      daemon to a file specified in the argument.
	      Default: disabled

       LogVerbose BOOL
	      Enable verbose logging.
	      Default: disabled

       DNSDatabaseInfo STRING
	      This directive enables  database	and  software  version	checks
	      through DNS TXT records.
	      Default: enabled, pointing to current.cvd.clamav.net

       DatabaseMirror STRING
	      Server name where database updates are downloaded from. In order
	      to download the database from the closest mirror you should con‐
	      figure  freshclam	 to  use  db.xy.clamav.net where xy represents
	      your country code. If  this  option  is  given  multiple	times,
	      freshclam(1) tries them in the order given. It's strongly recom‐
	      mended that you use db.xy.clamav.net as  the  first  mirror  and
	      database.clamav.net as the second.
	      Default: database.clamav.net

       MaxAttempts NUMBER
	      How many attempts (per mirror) to make before giving up.
	      Default: 3 (per mirror)

       ScriptedUpdates BOOL
	      With  this  option you can control scripted updates. It's highly
	      recommended to keep it enabled.
	      Default: enabled

       TestDatabases BOOL
	      With this option enabled, freshclam will	attempt	 to  load  new
	      databases	 into memory to make sure they are properly handled by
	      libclamav before replacing the old ones.
	      Default: enabled

       CompressLocalDatabase BOOL
	      By default freshclam will keep the local databases (.cld) uncom‐
	      pressed  to make their handling faster. With this option you can
	      enable the compression; the change will  take  effect  with  the
	      next database update.
	      Default: no

       HTTPProxyServer STR, HTTPProxyPort NUMBER
	      Use given proxy server and TCP port for database downloads.

       HTTPProxyUsername STR,HTTPProxyPassword STRING
	      Proxy  usage  is	authenticated through given username and pass‐
	      word.
	      Default: no proxy authentication

       HTTPUserAgent STRING
	      If your servers are behind a firewall/proxy which applies	 User-
	      Agent  filtering,	 you can use this option to force the use of a
	      different User-Agent header.
	      Default: clamav/version_number

       LocalIPAddress IP
	      Use IP as client address for downloading databases.  Useful  for
	      multi homed systems.
	      Default: Use OS´es default outgoing IP address.

       NotifyClamd STRING
	      Notify  a	 running clamd(8) to reload its database after a down‐
	      load has occurred. The path for clamd.conf  file	must  be  pro‐
	      vided.
	      Default: The default is to not notify clamd. See clamd.conf(5)´s
	      option SelfCheck for how clamd(8) handles	 database  updates  in
	      this case.

       OnUpdateExecute STRING
	      Execute  this  command  after the database has been successfully
	      updated.
	      Default: disabled

       OnOutdatedExecute STRING
	      Execute this command when freshclam reports outdated version. In
	      the  command  string %v will be replaced by the new version num‐
	      ber.
	      Default: disabled

       OnErrorExecute STRING
	      Execute this command after a database update has failed.
	      Default: disabled

       ConnectTimeout NUMBER
	      Timeout in seconds when connecting to database server.
	      Default: 10

       ReceiveTimeout NUMBER
	      Timeout in seconds when reading from database server.
	      Default: 30

       SubmitDetectionStats STRING
	      When enabled freshclam will  submit  statistics  to  the	ClamAV
	      Project  about  the latest virus detections in your environment.
	      The ClamAV maintainers will then use this data to determine what
	      types  of malware are the most detected in the field and in what
	      geographic area they are. This feature requires LogTime and Log‐
	      File  to be enabled in clamd.conf, it's also recommended to turn
	      on ExtendedDetectionInfo. The path for clamd.conf file  must  be
	      provided.
	      Default: disabled

       DetectionStatsCountry STRING
	      Country of origin of malware/detection statistics (for statisti‐
	      cal purposes only). The statistics collector at ClamAV.net  will
	      look  up your IP address to determine the geographical origin of
	      the malware reported by your installation. If this  installation
	      is  mainly  used to scan data which comes from a different loca‐
	      tion, please enable this option and enter a two-letter code (see
	      http://www.iana.org/domains/root/db/) of the country of origin.
	      Default: disabled

       DetectionStatsHostID STRING
	      This  option  enables support for our "Personal Statistics" ser‐
	      vice. When this option is enabled, the  information  on  malware
	      detected	by  your  clamd	 installation is made available to you
	      through	our   website.	 To   get   your   HostID,   log    on
	      http://www.stats.clamav.net  and	add  a	new  host to your host
	      list. Once you have the HostID, uncomment this option and	 paste
	      the  HostID  here.  As  soon as your freshclam starts submitting
	      information to our stats collecting service, you will be able to
	      view  the	 statistics of this clamd installation by logging into
	      http://www.stats.clamav.net with the same credentials  you  used
	      to   generate   the  HostID.  For	 more  information  refer  to:
	      http://www.clamav.net/support/faq/faq-cctts/.    This    feature
	      requires SubmitDetectionStats to be enabled.
	      Default: disabled

       SafeBrowsing BOOL
	      This option enables support for Google Safe Browsing. When acti‐
	      vated for the first time, freshclam will download a new database
	      file  (safebrowsing.cvd)	which  will be automatically loaded by
	      clamd and clamscan during the next  reload,  provided  that  the
	      heuristic	  phishing  detection  is  turned  on.	This  database
	      includes information about websites that may be  phishing	 sites
	      or  possible  sources  of	 malware. When using this option, it's
	      mandatory to run freshclam at least every 30 minutes.  Freshclam
	      uses  the ClamAV's mirror infrastructure to distribute the data‐
	      base and its updates but all the	contents  are  provided	 under
	      Google's	 terms	 of   use.   See   http://code.google.com/sup‐
	      port/bin/answer.py?answer=70015	and   http://safebrowsing.cla‐
	      mav.net for more information.
	      Default: disabled

       Bytecode BOOL
	      This  option enables downloading of bytecode.cvd, which includes
	      additional detection mechanisms and improvements to  the	ClamAV
	      engine.
	      Default: enabled

FILES
       /etc/freshclam.conf

AUTHOR
       Thomas Lamy <thomas.lamy@netwake.de>, Tomasz Kojm <tkojm@clamav.net>

SEE ALSO
       freshclam(1), clamd.conf(5), clamd(8), clamscan(1)

ClamAV 0.96.3		       February 12, 2007	     freshclam.conf(5)
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