---
title: ESR 60
---


## `browser.search.countryCode`

Status: **locked**

Value: `"US"`

*Geolocation*


## `experiments.activeExperiment`

Status: **locked**

Value: `false`


## `experiments.enabled`

Status: **locked**

Value: `false`

*Disable Mozilla telemetry/experiments*



### References

[https://wiki.mozilla.org/Platform/Features/Telemetry](https://wiki.mozilla.org/Platform/Features/Telemetry)

[https://wiki.mozilla.org/Privacy/Reviews/Telemetry](https://wiki.mozilla.org/Privacy/Reviews/Telemetry)

[https://wiki.mozilla.org/Telemetry](https://wiki.mozilla.org/Telemetry)

[https://www.mozilla.org/en-US/legal/privacy/firefox.html#telemetry](https://www.mozilla.org/en-US/legal/privacy/firefox.html#telemetry)

[https://support.mozilla.org/t5/Firefox-crashes/Mozilla-Crash-Reporter/ta-p/1715](https://support.mozilla.org/t5/Firefox-crashes/Mozilla-Crash-Reporter/ta-p/1715)

[https://wiki.mozilla.org/Security/Reviews/Firefox6/ReviewNotes/telemetry](https://wiki.mozilla.org/Security/Reviews/Firefox6/ReviewNotes/telemetry)

[https://gecko.readthedocs.io/en/latest/browser/experiments/experiments/manifest.html](https://gecko.readthedocs.io/en/latest/browser/experiments/experiments/manifest.html)

[https://wiki.mozilla.org/Telemetry/Experiments](https://wiki.mozilla.org/Telemetry/Experiments)

[https://support.mozilla.org/en-US/questions/1197144](https://support.mozilla.org/en-US/questions/1197144)


## `experiments.manifest.uri`

Status: **locked**

Value: `""`


## `experiments.supported`

Status: **locked**

Value: `false`


## `network.jar.block-remote-files`

Status: **locked**

Value: `true`

*Disable remote JAR files being opened, regardless of content type (FF42+)*



### References

[https://bugzilla.mozilla.org/1173171](https://bugzilla.mozilla.org/1173171)

[https://www.fxsitecompat.com/en-CA/docs/2015/jar-protocol-support-has-been-disabled-by-default/](https://www.fxsitecompat.com/en-CA/docs/2015/jar-protocol-support-has-been-disabled-by-default/)

[https://bugzilla.mozilla.org/1427726](https://bugzilla.mozilla.org/1427726)


## `network.jar.open-unsafe-types`

Status: **locked**

Value: `false`

*Disable JAR from opening Unsafe File Types*



### References

[https://bugzilla.mozilla.org/1427726](https://bugzilla.mozilla.org/1427726)


## `plugin.state.java`

Status: **locked**

Value: `0`

*Disable Java NPAPI plugin*


## `trailhead.firstrun.branches`

Status: **locked**

Value: `"join-privacy"`



### References

[https://github.com/ghacksuserjs/ghacks-user.js/issues/743](https://github.com/ghacksuserjs/ghacks-user.js/issues/743)


## `services.blocklist.update_enabled`

Status: **locked**

Value: `false`

*Enable Kinto blocklist updates (FF50+)*



### References

[https://wiki.mozilla.org/Firefox/Kinto#Specifications](https://wiki.mozilla.org/Firefox/Kinto#Specifications)

[https://bugzilla.mozilla.org/1458917](https://bugzilla.mozilla.org/1458917)


## `shield.savant.enabled`

Status: **locked**

Value: `false`

*Disable 'Savant' Shield study (FF61+)*



### References

[https://bugzilla.mozilla.org/1457226](https://bugzilla.mozilla.org/1457226)