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vscanadm(1M) System Administration Commands vscanadm(1M)
NAME
vscanadm - vscan service configuration utility
SYNOPSIS
vscanadm set -p property=value [-p property=value]...
vscanadm get [-p property]...
vscanadm import -p property filename
vscanadm export -p property filename
vscanadm validate -p property filename
vscanadm add-engine [-p property=value]... engine_id
vscanadm remove-engine engine_id
vscanadm set-engine -pproperty=value [-p property=value]... engine_id
vscanadm get-engine [-p property=value]... [engine_id]
vscanadm show
vscanadm stats [-z]
DESCRIPTION
The vscanadm command sets and displays properties of the vscan service, vscand(1M), and provides scan statistics.
File system exemption from virus scanning may be configured per file system using the appropriate file system administrative command, for
example zfs(1M).
Scan engines are third-party applications on external hosts that perform the actual virus scanning operation on files. Multiple scan
engines can be configured for use by the vscan service. A minimum of two scan engines is recommended. File scan requests are distributed
among the configured scan engines to achieve load balancing. A scan engine is identified by its engine_id. The engine_id is a user defined
string of up to 64 bytes.
The vscan service properties are divided into two categories: scan engine properties, which are specific to a scan engine definition, and
general properties, which apply to the service and are not scan engine-specific.
SUBCOMMANDS
vscanadm recognizes the following subcommands:
vscanadm set -p property=value [-p property=value]...
Sets the values of vscan service general properties.
-p property=value Specifies a property value
vscanadm get [-p property]...
Displays the values of vscan service general properties. If no properties are specified, all vscan service general properties are dis-
played.
-p property Specifies a property value
The following properties are available for the vscanadm set and vscanadm get subcommands:
max-size The maximum size of files that should be virus scanned. Files exceeding max-size are not scanned. The max-size-action
property determines whether access should be allowed or denied to files that exceed max-size.
The value of max-size is a string with a numeric (decimal) component and an optional letter component that specifies a
unit size, in the format "N[.N][KMGTP][B]".
Following the numeric component, the optional unit can be specified as either one or two characters. For example, either
"K" or "KB" can be used to specify kilobytes. Unit specifiers are not case-sensitive, and must follow the numeric value
immediately with no intervening whitespace.
With either no unit specifier, or a unit specifier of only "B", the numeric value is assumed to be in bytes. The default
value is 1GB.
Note that while the vscan service defines a maximum file size for scanning, scan engines also typically define their own
maximum file size setting. It is recommended that max-size be set to a value less than or equal to the maximum file size
for the scan engine(s).
max-size-action Specifies whether access will be allowed or denied to files larger than max-size. Files larger than max-size are not
virus scanned. Valid values are:
allow allow access to files larger than max-size (no virus scan). This is the default value.
deny deny access to files larger than max-size (no virus scan)
vscanadm import -p property filename
Imports the property value from the specified file. The file must contain a single line specifying the value of a single property.
vscanadm export -p property filename
Exports the property value to the specified file. The file must contain a single line specifying the value of a single property.
vscanadm validate -p property filename
Validates the property value in the specified file. The file must contain a single line specifying the value of a single property.
The following properties are available for the vscanadm import, vscanadm export, and vscanadm validate subcommands:
types A comma-separated list of file type extension matching rules. This list defines which types of files are scanned and which should
be excluded during virus scanning. Each rule comprises the rule indicator [+|-], followed by a file type expresssion against which
a file's type extension is compared. The file type expresssion is case insensitive and may include the "*" and "?" wildcards.
There should be no whitespace between the rule indicator and the file type expresssion. If a comma is included within the file
type expression, it must be escaped using a "" (backslash). A file type extension does not include its preceding dot.
The rule indicator is a single character and can be one of:
+ include file type in virus scanning
- exclude file type from virus scanning
When a file is being evaluated as a candidate for virus scanning, its file type will be compared with the rules defined in types.
The first rule matched will be applied. If no match is found, the file will be virus scanned. The total length of the types string
can not exceed 4096 bytes. The default content of the types list is "+*".
vscanadm add-engine [-p property=value]... engine_id
Adds a new scan engine identified by engine_id. The default values are used for any scan engine properties that are not specified. The
hostname defaults to the engine_id.
-p property=value Specifies a property value
vscanadm remove-engine engine_id
Remove scan engine identified by engine_id, removing all of its configuration property values.
vscanadm set-engine -pproperty=value [-p property=value]... engine_id
Creates or updates the configuration property values for the scan engine identified by engine_id.
-p property=value Specifies a property value
vscanadm get-engine [-p property=value]... [engine_id]
Displays the values of the specified scan engine properties for the scan engine identified by engine_id. If no engine_id is specified,
this subcommand displays the specified scan engine property values for all configured scan engines. If no properties are specified,
this subcommand displays all vscan service scan engine properties.
-p property=value Specifies a property value
The following properties are available for the vscanadm add-engine, vscanadm remove-engine, vscanadm set-engine, and vscanadm get-engine
subcommands:
enable Specifies whether the scan engine is enabled or disabled. Valid values are "on" (enabled) and "off" (disabled). The
default is "on" (enabled). A scan engine cannot be enabled if its host property is invalid.
host Hostname or IPv4 format IP address of the scan engine.
port ICAP port number of the scan engine. The numeric value ranges from 0 to 65535. The default ICAP port is 1344.
max-connection The maximum number of concurrent connections that may be established with a scan engine. The numeric value ranges from 1
to 512. This property defaults to 32.
vscanadm show Displays the values of all vscan service general properties and scan engine properties.
vscanadm stats [-z] Displays or resets the following vscan service statistics:
o number of files scanned
o number of infected files
o number of failed scan requests
o scan errors (including a per scan engine error count)
-z Resets vscan service statistics counters to zero
EXAMPLES
Example 1 Setting the Maximum Size Limit
To set the maximum size limit for files to be virus scanned to 128 megabytes, enter
# vscanadm set -p max-size=128M
Example 2 Allowing Access to Files
To allow access to files exceeding the maximum file size, enter
# vscanadm set -p max-size-action=allow
Example 3 Setting File Types
To set the types so that only files of type "odt", "exe" and "jpg" are virus scanned, enter
# vscanadm set -p types=+odt,+exe,+jpg,-*
To set the types so that all file types except "doc" are virus scanned, enter
# vscanadm set -p types=-doc,+*
Example 4 Displaying the File Types List
To display the file types list, enter
# vscanadm get -p types
Example 5 Adding the Scan Engine
To add the scan engine "my_eng" using the default values, enter
# vscanadm add-engine my_eng
Example 6 Disabling the Scan Engine
To disable the scan engine "my_eng", enter
# vscanadm set-engine -p enable=off my_eng
Example 7 Displaying Scan Engine Properties
To display the properties of the scan engine "my_eng", enter
# vscanadm get-engine my_eng
Example 8 Removing Scan Engine
To remove the scan engine "my_eng", enter
# vscanadm remove-engine my_eng
Example 9 Displaying Vscan Service General and Scan Engine Properties
To Display all vscan service general properties and scan engine properties, enter
# vscanadm show
EXIT STATUS
The following exit values are returned:
0 Successful completion.
non-zero An error occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWvscanu |
+-----------------------------+-----------------------------+
|Interface Stability |Uncommitted |
+-----------------------------+-----------------------------+
|Utility output format |Not-An-Interface |
+-----------------------------+-----------------------------+
SEE ALSO
vscand(1M), zfs(1M), attributes(5), smf(5)
NOTES
All users are permitted to use vscanadm to view vscan properties and statistics. To set property values or reset statistics, the following
authorizations are required:
solaris.smf.value.vscan
change the property values or reset statistics
solaris.manage.vscan
refresh the service to apply property value changes
To add or remove properties (add-engine, remove-engine) the following authorizations are required:
solaris.smf.modify.application
add or remove property group
solaris.manage.vscan
refresh the service to apply property value changes
All of these authorizations are included in the "VSCAN Management" profile.
SunOS 5.11 6 Nov 2007 vscanadm(1M)