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Netskope App For Splunk

Overview
Details
Netskope is the leader in cloud security. We help organizations understand online activities, protect data, stop threats, and respond to incidents. Netskope — security evolved.

Netskope App For Splunk allows a Splunk Enterprise administrator to integrate with the Netskope API and pull security events.

Table of Contents

OVERVIEW

  • About Netskope App For Splunk
  • Release notes
  • Performance benchmarks
  • Support and resources

INSTALLATION

  • Hardware and Software Requirements
  • Installation steps
  • Deploy to a Single Server Instance
  • Deploy to a Distributed Deployment
  • Deploy to a Distributed Deployment with Search Head Clustering
  • Deploy to Splunk Cloud

USER GUIDE

  • Data types
  • Lookups
  • Configure Netskope App For Splunk
  • Troubleshooting
  • Upgrade

OVERVIEW

About Netskope App For Splunk

About Netskope App For Splunk
Developer Netskope, Inc.
App Version 1.0.5
App Build 176
TA TA-NetSkopeAppForSplunk
IA IA-NetSkopeAppForSplunk
Folder Name NetSkopeAppForSplunk
Vendor Products Netskope API 48
Has index-time operations true
Create an index false
Implements summarization false

The Netskope App for Splunk integrates with the Netskope service to provide value and insight into your data.

Scripts and binaries
  • bin/ModularInput.py
    • The Modular Input Class to consume and populate Splunk with data.
  • bin/netskope.py
    • The Modular Input used to communicate and consume the API data.
  • bin/RESTClient.py
    • The REST Client Base Class to interact with the Netskope API.
  • bin/Utilities.py
    • The Utilities Class allows re-usable interactions with the Splunk Server.

Release notes

v1.0.5
  • Improvement
    • [NET-68] - Feature Request - Add infrastructure eventtype
    • [NET-69] - Update UserAgent
    • [NET-70] - Implement KVStore Checkpointing (advanced usage)
    • [NET-71] - Implement "per page" output of events
v1.0.4
  • Test and QA

    • [NET-62] - Create Katlon Test for Netskope
  • Bug

    • [NET-42] - Error in Documenation
    • [NET-54] - Improve logging rotation of the logs
    • [NET-61] - Fix eventgen Stanza for v1.5 App Inspect
    • [NET-63] - Unable to Save Modular Input Configurations
    • [NET-64] - Fix proxy settings in modular input
    • [NET-65] - Timestamp problem in Modular Input
    • [NET-67] - Pagination not passing 10000 events
  • New Feature

    • [NET-55] - App Supportability
    • [NET-59] - Add /clients endpoint
  • Improvement

    • [NET-60] - Documentation fix
    • [NET-66] - Create tags.conf
v1.0.3
  • Bug

    • [NET-54] - Improve logging rotation of the logs
  • New Feature

    • [NET-55] - App Supportability
v1.0.2
  • Test and QA

    • [NET-49] - Test for Splunk 6.5 and 6.6
  • Bug

    • [NET-44] - Limit validation incorrect
    • [NET-46] - Event Pagination
    • [NET-50] - Indices must be integers
    • [NET-51] - KeyError in alert call
    • [NET-52] - Host Dropdown Population on IA
    • [NET-53] - Activity filter does not work.
  • Improvement

    • [NET-40] - Link to Specify Number of Results Displayed
    • [NET-43] - Feature Request: Support for using queries with REST API
v1.0.1
  • Test and QA

    • [NET-31] - Testing for Splunk 6.4 and 6.5
  • Bug

    • [NET-21] - Custom JS Scripts Not Loading From Subfolders
    • [NET-22] - API Not Pulling Data w/Unencrypted Token
    • [NET-23] - Client Not Authenticated
    • [NET-24] - REST API token missing
    • [NET-25] - Modular Input not showing properly
    • [NET-28] - Unable to open setup page when installing IA
    • [NET-32] - MIssing Alert Events for Alert Type
    • [NET-33] - Modular Input Data Validation Bug
    • [NET-34] - Inline Help - Interval Field
    • [NET-36] - IA doesn't display images
    • [NET-39] - App Config page does not offer validation
  • New Feature

    • [NET-27] - Create MC checklist.conf
  • Improvement

    • [NET-26] - Inline Help
    • [NET-29] - App Certification - Always encrypt
    • [NET-30] - Editable Configuration
    • [NET-35] - Documentation Update - API Version
    • [NET-37] - Alert Detail Dropdown Improvement
    • [NET-38] - Update / Check Documentation
v1.0.0
  • Bug

    • [NET-15] - Data Validation in Modular Input
  • New Feature

    • [NET-2] - Event Generation
    • [NET-3] - Documentation
    • [NET-7] - Create Modular Input
    • [NET-8] - Create Rest Client
    • [NET-10] - App Setup View
    • [NET-11] - App Error View
    • [NET-12] - App Overview Dashboard
    • [NET-13] - App Detail View
    • [NET-20] - Allow Interval on App Configuration Page
  • Task

    • [NET-9] - Obtain branding logos
    • [NET-17] - Alert Overview Dashboard
    • [NET-18] - Alert Detail Dashboard
About this release

Version 1.0.5 (176) of Netskope App For Splunk is compatible with:

Item Value
Splunk Enterprise versions 6.5, 6.6, 7.0
CIM 4.4
Platforms <platform independent="">
Vendor Products Netskope API 48
New features

Netskope App For Splunk includes the following new features:

  • Application overview
  • Alert overview
  • Application detail
  • Alert detail
  • Application Health Overview
Known issues

Version 1.0.5 (176) of Netskope App For Splunk has the following known issues:

  • No Known Issues.

Version 1.0.3 (83) of Netskope App For Splunk has the following known issues:

  • Application Detail and Alert Detail dashboards will not work in Splunk 6.4 due to token incompatibilities.
    • Resolution: Change the count <option> in the XML and restart Splunk.
Support and resources

Questions and answers

Access questions and answers specific to Netskope App For Splunk at https://answers.splunk.com.

Support

Support Offered: Yes
Support Email: support@netskope.com

Please visit https://answers.splunk.com, and ask your question regarding Netskope App For Splunk. Please tag your question with the correct App Tag, and your question will be attended to.

INSTALLATION AND CONFIGURATION

Software requirements

To function properly, Netskope App For Splunk requires the following software:

  • Splunk 6.5, 6.6, 7.0
  • Netskope API 48

Splunk Enterprise system requirements

Because this add-on runs on Splunk Enterprise, all of the Splunk Enterprise system requirements apply.

Download

Download Netskope App For Splunk at http://splunkbase.splunk.com

Installation steps

This app has the following inputs pre-configured:

None.

Deploy to single server instance

Follow these steps to install the app in a single server instance of Splunk Enterprise:

  1. Download the Netskope App For Splunk package from splunkbase.splunk.com.
  2. Install the App via the recommended installation methods (CLI, Web GUI)
  3. Restart Splunk.
  4. Configure the Modular Input with the required settings.
Deploy to distributed deployment

Install to search head

  1. Download the Netskope App For Splunk package from splunkbase.splunk.com.
  2. Install the App via the recommended installation methods (CLI, Web GUI, Deployment Server)
  3. Do NOT configure a Modular Input, unless there is only 1 (one) single Search Head.

Install to indexers

  1. Download the Netskope App For Splunk package from splunkbase.splunk.com.
  2. Untar the package and locate the TA (Technology Add-On) located in "NetSkopeAppForSplunk/appserver/addons". The package will end in ".spl" and should be labeled "TA-NetSkopeAppForSplunk".
  3. Install "TA-NetSkopeAppForSplunk" onto the indexers per your environment.

Install to universal forwarders

  1. There is no installation to Universal Forwarders.

Install to Heavy Forwarders

  1. Download the Netskope App For Splunk package from splunkbase.splunk.com.
  2. Untar the package and locate the IA (Input Add-On) located in "NetSkopeAppForSplunk/appserver/addons". The package will end in ".spl" and should be labeled "IA-NetSkopeAppForSplunk".
  3. Install "IA-NetSkopeAppForSplunk" onto a heavy forwarder in your environment.
  4. Configure the Modular Input with the required settings.

Deploy to distributed deployment with Search Head Clustering

  1. Place the App into the "deploy_apps" folder on the Deployer Server.
  2. Follow the instructions to install to a Heavy Forwarder. This Step is REQUIRED in a clustered SH environment!
  3. Deploy the App to the Search Head Cluster. DO NOT install "IA-NetSkopeAppForSplunk" to the Cluster!

Deploy to Splunk Cloud

  1. Instruct the Splunk Cloud Support team to follow the instructions above that matches the Cloud environment.

USER GUIDE

Data types

This app provides the index-time and search-time knowledge for the following types of data:

  • netskope:alert
    • This data feed is the result of calls to the Netskope API. If you aren't receiving events check the modular input configuration to verify the event types specified
  • netskope:application
    • This data feed is the result of calls to the Netskope API. If you aren't receiving events check the modular input configuration to verify the event types specified
  • netskope:audit
    • This data feed is the result of calls to the Netskope API. If you aren't receiving events check the modular input configuration to verify the event types specified
  • netskope:connection
    • This data feed is the result of calls to the Netskope API. If you aren't receiving events check the modular input configuration to verify the event types specified
  • netskope:infrastructure
    • This data feed is the result of calls to the Netskope API. If you aren't receiving events check the modular input configuration to verify the event types specified

Lookups

Netskope App For Splunk contains no lookup files.

Event Generator

Netskope App For Splunk does make use of an event generator. This allows the product to display data when there are no inputs configured.

There are four sample event files supplied for event generation. These samples are found in the samples folder of the app and are:

  • netskope_alert.sample
  • netskope_application.sample
  • netskope_audit.sample
  • netskope_connection.sample

NOTE: To generate events the Eventgen app must be installed. The app and instructions can be found at https://splunkbase.splunk.com/app/1924/. This app should not be installed on a production system unless you understand the ramifications of generated data being mixed with production data.

Configure Netskope App For Splunk

  • Install the App according to your environment (see steps above)

Application Configuration Page

This app provides a configuration page that allows the user to configure the modular input, specify proxy settings and encrypted credentials. All credentials are stored in the Splunk encrypted credential store.

  • Navigate to Netskope App For Splunk>Administration>Configuration>Application Configuration

NOTE: At this time it is not possible to edit the proxy, encrypted credential, or modular input settings from this page. To edit the modular input:

  • Navigate to Settings>Data Inputs>select the modular input to be edited.

Proxy Configuration

  • To create a new proxy configuration click Create New Proxy Configuration.
    • Proxy Name: Name of stanza in proxy.conf
    • Host: Proxy host
    • Port: Proxy port
    • Username: User to be used to log into proxy server
    • Password: Password of user logging into the proxy server
    • Use SSL: Does the proxy require SSL

This will create a stanza in SPLUNK_HOME/etc/apps/NetskopeAppForSplunk/local/proxy.conf. This will also create a record in the encrypted credential store.

NOTE: To manually create a proxy configuration you can edit SPLUNK_HOME/etc/apps/NetskopeAppForSplunk/local/proxy.conf matching the stanza below:

[netskope_proxy] proxy_credential = proxy.netskope.com_proxyuser proxy_host = proxy.netskope.com proxy_port = 3128 proxy_user = proxyuser use_ssl = false

  • proxy_credential: Combination of the proxy host and the proxy user fields

New Credential

  • If you need to create an encrypted credential manually follow this process:

    • Click Create New Credential to create a new encrypted credential.

This will create a credential in the encrypted credential store. The realm field is automatically generated and becomes the stanza name for the encrypted credential. To view the format of the file you can view SPLUNK_HOME/etc/apps/NetskopeAppForSplunk/local/passwords.conf. Please do not try to manually create entries in the passwords.conf file.

Modular Input

  • To create a new modular input configuration click Create New Modular Input.
    • Modular Input Name: Name for the modular input configuration.
    • URL: The URL provided for the Netskope instance without the https:// portion of the address.
    • Limit: The maximum number of events to collect on each interval, with a maximum of 5000.
    • Interval: The number of seconds between data collections.
    • Event Type: The type(s) of event(s) to collect separated by commas. Valid types are connection, alert, audit, infrastructure, and/or application.
    • Encrypted Token: Should the token be encrypted.
    • Token: The API token generated by Netskope for the instance.
    • Use Proxy: Will a proxy server be used.
    • Proxy Name: Name of the stanza configured in the proxy configuration.

This will configure the modular input settings in the SPLUNK_HOME/etc/apps/NetskopeAppForSplunk/local/inputs.conf. These settings are available under the modular input tab on the Application Configuration page as well as the data input page under Settings>Data Inputs>Netskope. If the token is to be encrypted then the encrypted token will be written to the encrypted credential store and the token on the modular input will show the value that used to retrieve the encrypted token.

NOTE: To make sure that the modular input gets enabled properly navigate to Settings>Data Inputs>Netskope> and press Disable then press Enable to enable the modular input.

All proxy, encrypted credential and modular input configurations are available in the tabs on the Application Configuration page.

NOTE: YOU WILL NEED TO DISABLE/ENABLE THE MODULAR INPUT TO GET THE INITIAL PULL OF EVENTS TO WORK.

Report Acceleration

None

Data Model Acceleration

None

Summary Indexing

None

Troubleshoot Netskope App For Splunk

The best place to start troubleshooting Netskope App For Splunk is using the Application Health Overview dashboard under the Administration dropdown. There you will find several panels with information related to errors in the Netskope App For Splunk app. Additionally, in Splunk versions greater than 6.5, you can run the Health Check feature of the Monitoring Console and check the health of the inputs.

Another troubleshooting method for the Netskope App For Splunk app is using this search:

sourcetype=NetSkopeAppForSplunk:error

If you are still having problems, use the Command line and run this command:

$SPLUNK_HOME/bin/splunk diag --collect app:NetSkopeAppForSplunk

Send the generated diag file to Netskope App For Splunk support.

Update log.cfg

Copy the log.cfg file from default of the app to the local folder, and edit the settings to reflect which items need increased verbosity.

Upgrade Netskope App For Splunk

Upgrade Netskope App For Splunk by re-installing into your environment per Splunk Documentation and your environment (see steps above).

Release Notes

Version 1.0.5
Sept. 11, 2018

v1.0.5
Improvement
[NET-68] - Feature Request - Add infrastructure eventtype
[NET-69] - Update UserAgent
[NET-70] - Implement KVStore Checkpointing (advanced usage)
[NET-71] - Implement "per page" output of events

172
Installs
735
Downloads
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