Provided by:
clamav-base_0.92.1~dfsg2-1.1_all 
NAME
clamd.conf - Configuration file for Clam AntiVirus Daemon
DESCRIPTION
clamd.conf configures the Clam AntiVirus daemon, clamd(8).
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 some option is not used (commented out or not included in the
configuration file at all) clamd takes a default action.
Example
If this option is set clamd will not run.
LogFile STRING
Enable logging to selected file.
Default: no
LogFileUnlock BOOL
Disable a system lock that protects against running clamd with
the same configuration file multiple times.
Default: no
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
LogTime BOOL
Log time for each message.
Default: no
LogClean BOOL
Log clean files.
Default: no
LogSyslog BOOL
Use system logger (can work together with LogFile).
Default: no
LogFacility STRING
Specify the type of syslog messages - please refer to ’man
syslog’ for facility names.
Default: LOG_LOCAL6
LogVerbose BOOL
Enable verbose logging.
Default: no
PidFile STRING
Save the process identifier of a listening daemon (main thread)
to a specified file.
Default: no
TemporaryDirectory STRING
Optional path to the global temporary directory.
Default: system specific (usually /tmp or /var/tmp).
DatabaseDirectory STRING
Path to a directory containing database files.
Default: /var/lib/clamav/
LocalSocket STRING
Path to a local (Unix) socket the daemon will listen on.
Default: no
FixStaleSocket BOOL
Remove stale socket after unclean shutdown.
Default: yes
TCPSocket NUMBER
TCP port number the daemon will listen on.
Default: no
TCPAddr STRING
TCP socket address to bind to. By default clamd binds to
INADDR_ANY.
Default: no
MaxConnectionQueueLength NUMBER
Maximum length the queue of pending connections may grow to.
Default: 15
MaxThreads NUMBER
Maximum number of threads running at the same time.
Default: 10
ReadTimeout NUMBER
Waiting for data from a client socket will timeout after this
time (seconds).
Default: 120
IdleTimeout NUMBER
Waiting for a new job will timeout after this time (seconds).
Default: 30
MaxDirectoryRecursion NUMBER
Maximum depth directories are scanned at.
Default: 15
FollowDirectorySymlinks BOOL
Follow directory symlinks.
Default: no
FollowFileSymlinks BOOL
Follow regular file symlinks.
Default: no
SelfCheck NUMBER
Perform a database check.
Default: 1800
VirusEvent COMMAND
Execute COMMAND when a virus is found. In the command string %v
will be replaced with the virus name.
Default: no
ExitOnOOM BOOL
Stop daemon when libclamav reports out of memory condition.
Default: no
User STRING
Run as another user (clamd must be started by root to make this
option working).
Default: no
AllowSupplementaryGroups BOOL
Initialize supplementary group access (clamd must be started by
root).
Default: no
Foreground BOOL
Don’t fork into background.
Default: no
Debug BOOL
Enable debug messages from libclamav.
LeaveTemporaryFiles BOOL
Do not remove temporary files (for debug purpose).
Default: no
StreamMaxLength SIZE
Clamd uses FTP-like protocol to receive data from remote
clients. If you are using clamav-milter to balance load between
remote clamd daemons on firewall servers you may need to tune
the Stream* options. This option allows you to specify the upper
limit for data size that will be transfered to remote daemon
when scanning a single file. It should match your MTA’s limit
for a maximum attachment size.
Default: 10M
StreamMinPort NUMBER
Limit data port range.
Default: 1024
StreamMaxPort NUMBER
Limit data port range.
Default: 2048
DetectPUA
Detect Possibly Unwanted Applications.
Default: No
AlgorithmicDetection BOOL
In some cases (eg. complex malware, exploits in graphic files,
and others), ClamAV uses special algorithms to provide accurate
detection. This option controls the algorithmic detection.
Default: yes
ScanPE BOOL
PE stands for Portable Executable - it’s an executable file
format used in all 32 and 64-bit versions of Windows operating
systems. This option allows ClamAV to perform a deeper analysis
of executable files and it’s also required for decompression of
popular executable packers such as UPX.
Default: yes
ScanELF BOOL
Executable and Linking Format is a standard format for UN*X
executables. This option allows you to control the scanning of
ELF files.
Default: yes
DetectBrokenExecutables BOOL
With this option clamd will try to detect broken executables
(both PE and ELF) and mark them as Broken.Executable.
Default: no
ScanOLE2 BOOL
This option enables scanning of OLE2 files, such as Microsoft
Office documents and .msi files.
Default: yes
ScanPDF BOOL
This option enables scanning within PDF files.
Default: no
ScanHTML BOOL
Enables HTML detection and normalisation.
Default: yes
ScanMail BOOL
Enable scanning of mail files.
Default: yes
MailFollowURLs BOOL
If an email contains URLs ClamAV can download and scan them.
WARNING: This option may open your system to a DoS attack. Never
use it on loaded servers.
Default: no
MailMaxRecursion NUMBER
Recursion level limit for the mail scanner.
Default: 64
PhishingSignatures BOOL
With this option enabled ClamAV will try to detect phishing
attempts by using signatures.
Default: yes
PhishingScanURLs BOOL
Scan URLs found in mails for phishing attempts using heuristics.
This will classify "Possibly Unwanted" phishing emails as
Phishing.Heuristics.Email.*
Default: yes
PhishingRestrictedScan BOOL
Use phishing detection only for domains listed in the .pdb
database. It is not recommended to have this option turned off,
because scanning of all domains may lead to many false
positives!
Default: yes
PhishingAlwaysBlockSSLMismatch BOOL
Always block SSL mismatches in URLs, even if the URL isn’t in
the database. This can lead to false positives.
Default: no
PhishingAlwaysBlockCloak BOOL
Always block cloaked URLs, even if URL isn’t in database. This
can lead to false positives.
Default: no
ScanArchive BOOL
Enable archive scanning.
Default: yes
ArchiveMaxFileSize SIZE
Files in archives larger than this limit won’t be scanned. Value
of 0 disables the limit.
Default: 10M
ArchiveMaxRecursion NUMBER
Limit archive recursion level. Value of 0 disables the limit.
Default: 8
ArchiveMaxFiles NUMBER
Number of files to be scanned within an archive. Value of 0
disables the limit.
Default: 1000
ArchiveMaxCompressionRatio NUMBER
Analyze compression ratio of every file in an archive and mark
potential archive bombs as viruses (0 disables the limit).
Default: 250
ArchiveLimitMemoryUsage BOOL
Use slower decompression algorithm which uses less memory. This
option only affects the bzip2 decompressor.
Default: no
ArchiveBlockEncrypted BOOL
Mark encrypted archives as viruses (Encrypted.Zip,
Encrypted.RAR).
Default: no
ArchiveBlockMax BOOL
Mark archives as viruses (e.g RAR.ExceededFileSize,
Zip.ExceededFilesLimit) if ArchiveMaxFiles, ArchiveMaxFileSize,
or ArchiveMaxRecursion limit is reached.
Default: no
ClamukoScanOnAccess BOOL
Enable Clamuko. Dazuko (/dev/dazuko) must be configured and
running.
Default: no
ClamukoScanOnOpen BOOL
Scan files on open.
Default: no
ClamukoScanOnClose BOOL
Scan files on close.
Default: no.
ClamukoScanOnExec BOOL
Scan files on execute.
Default: no
ClamukoIncludePath STRING
Set the include paths (all files and directories inside them
will be scanned). You can have multiple ClamukoIncludePath
directives but each directory must be added in a separate line).
Default: no
ClamukoExcludePath STRING
Set the exclude paths. All subdirectories will also be excluded.
Default: no
ClamukoMaxFileSize SIZE
Ignore files larger than SIZE.
Default: 5M
FILES
/etc/clamav/clamd.conf
AUTHOR
Tomasz Kojm <tkojm@clamav.net>
SEE ALSO
clamd(8), clamdscan(1), clamav-milter(8), clamscan(1), freshclam(1),
sigtool(1)