Syntax
anti-virus {
policy policy-name {
action(block | permit);
default-notification {
log;
}
fallback-options {
action(block | permit);
invalid-content-size {
action(block | permit);
notification {
log;
}
}
notification {
log;
}
out-of-resources {
action(block | permit);
notification {
log;
}
}
service-not-ready {
action(block | permit);
notification {
log;
}
}
}
http-client-notify {
(file file-name | message message | redirect-url redirect-URL);
}
notification {
log;
}
machine-learning-scan {
action (block | permit);
notification {
log;
}
}
verdict-threshold(1 | 10 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9);
}
traceoptions {
(file file-name | files files | match match | size size |(world-readable | no-world-readable));
flag name;
level(all | error | info | notice | verbose | warning);
no-remote-trace;
}
update {
automatic {
interval interval;
off;
}
ignore-server-validation;
proxy-profile proxy-profile;
url URL;
}
}Hierarchy Level
[edit services]
Description
Use this command to configure flow-based antivirus policy and machine learning
scan. After configuring the antivirus policy, you must apply it to the network firewall
policy using the set security policies from-zone from-zone
to-zone to-zone policy policy-name then permit
application-services anti-virus-policy av-policy command.
Options
| policy |
Configure the antivirus policy details.
-
policy-name—Name of the antivirus policy.
-
action—Action taken when file meets verdict threshold.
-
default-notification—Notification log when file does not meet the verdict
threshold.
|
| fallback-options |
Defines what to do when error conditions occur or when there is a lack of resources.
The following fallback options are available: |
-
action—Permit or block the file regardless of its threat level.
-
invalid-content-size—Permit or block the file when content size exceed supported
range
-
out-of-resources—Permit or block the file when service is out of resources
-
service-not-ready—Permit or block the file when service is not yet ready
-
notification—Add or do not add this event to the log file.
|
| http-client-notify |
(message | file | redirect-url) Notification action taken for contents with verdict
meet threshold. This command allows you to configure HTTP URL redirection for a
customized client notification based on detected virus with the block action. |
| machine-learning-scan |
Configure the machine learning scan options. |
-
action—Permit or block the file regardless of its threat level.
-
apply-groups—Groups that these machine learning scan settings apply.
-
apply-groups-except—Groups that these machine learning scan settings do not
apply.
-
default-notification—Notification log when file does not meet the verdict
threshold.
-
notification—Add or do not add this event to the log file.
|
| verdict-threshold |
The verdict-threshold defines the number at which you want to label a file as virus.
For example, if you set verdict-threshold to 7, then any file with verdict number of 7
or greater is considered virus. verdict-threshold can be any number between 1 and 10,
inclusive. |
| traceoptions |
Configure anti-virus trace options. When the trace is set in the configuration, the
“flags” are defined for the actual debug that you want to perform. This command allows
you to trace the antivirus configuration and is typically used for troubleshooting.
-
apply-groups name—Groups that these trace option settings apply.
-
apply-groups-except name—Groups that these trace option settings do not
apply.
-
file— Defines the trace file characteristics. Valid options are:
-
trace-file-name—Name of the file to receive the output of the tracing
operation. Enclose the name within quotation marks. All files are placed in
the directory /var/log. Valid values range from 1 and 1024 characters. The
name cannot include spaces, /, or % characters. The default filename is
security.
-
files—Maximum number of trace files that can accumulate. Valid values range
from 2 to 1000. The default value is 3.
-
match—The criteria that you want the system to use when logging information
to the file. You can enter a regular expression. Wildcard (*) characters are
accepted.
-
no-world-readable—Only the system administrator can read the trace file.
-
size—Maximum size to which the trace file can grow. Once the file reaches the
specified size, it is compressed and renamed filename0.gz, the next file is
named filename1.gz, and so on. Valid values range from 10240 to
1,073,741,824.
-
world-readable—Any user can read the trace file.
-
flag—Tracing operation to perform. To specify more than one tracing operation,
include multiple flag statements. You can include the following flags:
-
all—Trace everything.
-
content—Trace the content the SRX is buffering to the client and to the
cloud.
-
daemon—Trace the Juniper Advanced Threat Prevention Cloud (ATP Cloud)
daemon.
-
http—Trace HTTP protocol operations
-
identification—Trace the file type identification. Examples of file types are
.exes, .java, .tar and so forth.
-
imap—Trace IMAP protocol operations
-
parser—Trace the interface between the Juniper ATP Cloud daemon and the
module that parses the HTTP protocol and extracts the file content.
-
plugin—Trace the Juniper ATP Cloud plugin to view session checks, packet
processing and actions taken against a file or URL.
-
policy—Trace the Juniper ATP Cloud security policy.
-
smb—Trace SMB protocol operations
-
smtp—Trace SMTP protocol operations
-
level—Specify level of tracing to perform. The option you configure enables
tracing of events at that level and all higher (more restrictive) levels. You can
specify any of the following levels:
-
all—Match messages of all levels.
-
error—Match error conditions.
-
info—Match informational messages.
-
notice—Match notice messages about conditions requiring special handling.
-
verbose—Match verbose messages. This is the lowest (least restrictive)
severity level; when you configure verbose, messages at all higher levels are
traced. Therefore, the result is the same as when you configure all.
-
warning—Match warning messages.
-
no-remote-trace—Disable remote tracing.
|
| update |
Configure antivirus package download and install options.
-
automatic— Scheduled download and install.
-
interval—Schedule automatic download interval in minutes . Range is 5 to 60
minutes.
-
off—Disable automatic antivirus download and install.
-
ignore-server-validation—Do not check server certificate.
-
proxy profile—Configure proxy profile.
-
url—HTTP/HTTPS URL of antivirus package download.
|
Required Privilege Level
system—To view this statement in the configuration.
system-control—To add this statement to the configuration.
Release Information
Statement introduced in Junos OS Release 23.4R1.
The machine-learning-scan option is introduced in Junos OS Release
24.2R1.
