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Admins: Please read about Splunk Enterprise 8.0 and the Python 2.7 end-of-life changes and impact on apps and upgradeshere.
This Add-on provides a dynamic lookup for parsing User Agent strings. This version was built to be faster, and does not require internet access from your Splunk systems.



This TA provides and external Python lookup that parses User Agents strings, such as those found in Web or Proxy logs.


To install:
1. Untar the tarball file in your $SPLUNK_HOME/etc/apps
2. Restart Splunk.


The lookup expects a field in the events (http_user_agent). Once that field exists (via extractions, alias or rename). Once that field exists, you can use it in a lookup command, as such:
index=web_proxy | lookup user_agents http_user_agent
The lookup will output the following fields:
* ua_os_family: The name of the client OS.
* ua_os_major: The major version of the client OS.
* ua_os_minor: The minor version of the client OS.
* ua_os_patch: The patch version of the client OS.
* ua_os_patch_minor: The minor patch version of the client OS.
* ua_family: The name of the UA ("Firefox", "IE")
* ua_major: The major version of the UA.
* ua_minor: The minor version of the UA.
* ua_patch: The patch version of the UA
* ua_device: The type of device used in the event.


To add your own user agents, you can use the YAML file in TA-user-agents/bin/ua_parser/ named regexes.yaml.


Support is on a best-effort basis. Need help? Use the Splunk community resources! I can be found on many of them:

The git repo for this app is located here.


This TA uses a Python module from:


Icons made by Freepik from Flaticon is licensed by CC 3.0 BY

Change log

v 1.6

  • Updated to the latest version of the ua-parser
  • Changed URL for the ua-parser to the new project page
  • Added app icons

v 1.5

Initial release

Release Notes

Version 1.7.3
Feb. 26, 2019

* Updated Python modules to latest available
* Will be repackaged without the fetch_latest script for Splunkbase and install in Splunk Cloud
* Updated README.md
* Added UPDATING.md with information about the script
* Changed to use MIT license

Version 1.7.2
Sept. 18, 2018

* Fix my mistake with a PR

Version 1.7.0
Sept. 18, 2018

* Created script to automate the upgrading of the latest versions of ua-parser
* Imported the latest version of Python libraries ua-parser and PyYAML
* Thanks to Lowell Alleman for contributing these!

Version 1.6
June 28, 2016

* Updated to the latest version of the ua-parser
* Changed URL for the ua-parser to the new project page
* Added app icons

Version 1.5
May 21, 2015

Updated the data file (regexes.yaml)

Version 1.1
April 21, 2015

Removed pyc files for use in Splunk Cloud

Version 1.0
Aug. 19, 2014

First release


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