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Elastic Docs ›Filebeat Reference [7.4] ›Modules

Palo Alto Networks module

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Palo Alto Networks module

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This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.

This is a module for Palo Alto Networks PAN-OS firewall monitoring logs received over Syslog or read from a file. It currently supports messages of Traffic and Threat types.

Compatibility

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This module has been tested with logs generated by devices running PAN-OS versions 7.1 to 9.0 but limited compatibility is expected for earlier versions.

The ingest-geoip Elasticsearch plugin is required to run this module.

Set up and run the module

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Before doing these steps, verify that Elasticsearch and Kibana are running and that Elasticsearch is ready to receive data from Filebeat.

If you’re running our hosted Elasticsearch Service on Elastic Cloud, or you’ve enabled security in Elasticsearch and Kibana, you need to specify additional connection information before setting up and running the module. See Quick start: modules for common log formats for the complete setup.

To set up and run the module:

  1. Enable the module:

    deb and rpm:

    filebeat modules enable panw

    mac:

    ./filebeat modules enable panw

    brew:

    filebeat modules enable panw

    linux:

    ./filebeat modules enable panw

    win:

    PS > .\filebeat.exe modules enable panw

    This command enables the module config defined in the modules.d directory. See Specify which modules to run for other ways to enable modules.

    To see a list of enabled and disabled modules, run:

    deb and rpm:

    filebeat modules list

    mac:

    ./filebeat modules list

    brew:

    filebeat modules list

    linux:

    ./filebeat modules list

    win:

    PS > .\filebeat.exe modules list

  2. Set up the initial environment:

    deb and rpm:

    filebeat setup -e

    mac:

    ./filebeat setup -e

    linux:

    ./filebeat setup -e

    brew:

    filebeat setup -e

    win:

    PS > .\filebeat.exe setup -e

    The setup command loads the recommended index template for writing to Elasticsearch and deploys the sample dashboards (if available) for visualizing the data in Kibana. This is a one-time setup step.

    The -e flag is optional and sends output to standard error instead of syslog.

    The ingest pipelines used to parse log lines are set up automatically the first time you run the module, assuming the Elasticsearch output is enabled. If you’re sending events to Logstash, or plan to use Beats central management, also see Load ingest pipelines manually.

  3. Run Filebeat.

    If your logs aren’t in the default location, see Configure the module, then run Filebeat after you’ve set the paths variable.

    deb and rpm:

    service filebeat start

    mac:

    ./filebeat -e

    brew:

    filebeat -e

    linux:

    ./filebeat -e

    win:

    PS > Start-Service filebeat

    If the module is configured correctly, you’ll see INFO Harvester started messages for each file specified in the config.

    Depending on how you’ve installed Filebeat, you might see errors related to file ownership or permissions when you try to run Filebeat modules. See Config File Ownership and Permissions in the Beats Platform Reference for more information.

  4. Explore your data in Kibana:

    1. Open your browser and navigate to the Dashboard overview in Kibana: http://localhost:5601/app/kibana#/dashboards. Replace localhost with the name of the Kibana host. If you’re using an Elastic Cloud instance, log in to your cloud account, then navigate to the Kibana endpoint in your deployment.
    2. If necessary, log in with your Kibana username and password.

    3. Enter the module name in the search box, then open a dashboard and explore the visualizations for your parsed logs.

      If you don’t see data in Kibana, try changing the date range to a larger range. By default, Kibana shows the last 15 minutes.

ECS field mappings

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These are the PAN-OS to ECS field mappings as well as those fields still not in ECS that are added under the panw.panos prefix:

Table 4. Traffic log mappings

PAN-OS Field ECS Field Non-standard field

Receive Time

event.created

Serial Number

observer.serial_number

Type

event.category

Subtype

event.action

Generated Time

@timestamp

Source IP

client.ip source.ip

Destination IP

server.ip destination.ip

NAT Source IP

panw.panos.source.nat.ip

NAT Destination IP

panw.panos.destination.nat.ip

Rule Name

panw.panos.ruleset

Source User

client.user.name source.user.name

Destination User

server.user.name destination.user.name

Application

network.application

Source Zone

panw.panos.source.zone

Destination Zone

panw.panos.destination.zone

Ingress Interface

panw.panos.source.interface

Egress Interface

panw.panos.destination.interface

Session ID

panw.panos.flow_id

Source Port

client.port source.port

Destination Port

destination.port server.port

NAT Source Port

panw.panos.source.nat.port

NAT Destination Port

panw.panos.destination.nat.port

Flags

labels

Protocol

network.transport

Action

event.outcome

Bytes

network.bytes

Bytes Sent

client.bytes destination.bytes

Bytes Received

server.bytes source.bytes

Packets

network.packets

Start Time

event.start

Elapsed Time

event.duration

Category

panw.panos.url.category

Sequence Number

panw.panos.sequence_number

Packets Sent

server.packets destination.packets

Packets Received

client.packets source.packets

Device Name

observer.hostname

Table 5. Threat logs mappings

PAN-OS Field ECS Field Non-standard field

Receive Time

event.created

Serial Number

observer.serial_number

Type

event.category

Subtype

event.action

Generated Time

@timestamp

Source IP

client.ip source.ip

Destination IP

server.ip destination.ip

NAT Source IP

panw.panos.source.nat.ip

NAT Destination IP

panw.panos.destination.nat.ip

Rule Name

panw.panos.ruleset

Source User

client.user.name source.user.name

Destination User

server.user.name destination.user.name

Application

network.application

Source Zone

panw.panos.source.zone

Destination Zone

panw.panos.destination.zone

Ingress Interface

panw.panos.source.interface

Egress Interface

panw.panos.destination.interface

Session ID

panw.panos.flow_id

Source Port

client.port source.port

Destination Port

destination.port server.port

NAT Source Port

panw.panos.source.nat.port

NAT Destination Port

panw.panos.destination.nat.port

Flags

labels

Protocol

network.transport

Action

event.outcome

Miscellaneous

url.original

panw.panos.threat.resource

Threat ID

panw.panos.threat.id

Category

panw.panos.url.category

Severity

log.level

Direction

network.direction

Source Location

source.geo.name

Destination Location

destination.geo.name

PCAP_id

panw.panos.network.pcap_id

Filedigest

panw.panos.file.hash

User Agent

user_agent.original

File Type

file.type

X-Forwarded-For

network.forwarded_ip

Referer

http.request.referer

Sender

source.user.email

Subject

panw.panos.subject

Recipient

destination.user.email

Device Name

observer.hostname

Example dashboard

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This module comes with two sample dashboards:

filebeat panw traffic
filebeat panw threat

Configure the module

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You can further refine the behavior of the panw module by specifying variable settings in the modules.d/panw.yml file, or overriding settings at the command line.

The module is by default configured to run via syslog on port 9001. However it can also be configured to read logs from a file. See the following example.

- module: panw
  panos:
    enabled: true
    var.paths: ["/var/log/pan-os.log"]
    var.input: "file"

Variable settings

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Each fileset has separate variable settings for configuring the behavior of the module. If you don’t specify variable settings, the panw module uses the defaults.

For more information, see Specify variable settings. Also see Override input settings.

When you specify a setting at the command line, remember to prefix the setting with the module name, for example, panw.panos.var.paths instead of panos.var.paths.

panos fileset settings

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Example config:

  panos:
    var.syslog_host: 0.0.0.0
    var.syslog_port: 514
var.paths
An array of glob-based paths that specify where to look for the log files. All patterns supported by Go Glob are also supported here. For example, you can use wildcards to fetch all files from a predefined level of subdirectories: /path/to/log/*/*.log. This fetches all .log files from the subfolders of /path/to/log. It does not fetch log files from the /path/to/log folder itself. If this setting is left empty, Filebeat will choose log paths based on your operating system.
var.syslog_host
The interface to listen to UDP based syslog traffic. Defaults to localhost. Set to 0.0.0.0 to bind to all available interfaces.
var.syslog_port
The UDP port to listen for syslog traffic. Defaults to 9001

Ports below 1024 require Filebeat to run as root.

Timezone support

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This module parses logs that don’t contain timezone information. For these logs, Filebeat reads the local timezone and uses it when parsing to convert the timestamp to UTC. The timezone to be used for parsing is included in the event in the event.timezone field.

To disable this conversion, the event.timezone field can be removed with the drop_fields processor.

If logs are originated from systems or applications with a different timezone to the local one, the event.timezone field can be overwritten with the original timezone using the add_fields processor.

See Filter and enhance the exported data for information about specifying processors in your config.

Fields

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For a description of each field in the module, see the exported fields section.

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