Anonymous Firefox Settings: Step-by-Step Privacy Guide

By Ava McKinneyOnline Safety

Anonymous Firefox Settings: A Step-by-Step Guide

To maximize your privacy while using Firefox, follow these steps to configure your browser and system for anonymous browsing.

1. Clean Your System

  • Remove all cookies, Flash cookies, DOM cookies, and similar data.
  • Install the latest version of CCleaner along with the CCEnhancer add-on to thoroughly clean your system.

2. Remove Untrusted Browser Extensions

  • Uninstall all browser extensions that may send information to developers or track your system parameters, such as Yandex Bar, Google Bar, Bing, etc.

3. Clear Browser Data

  • Go to your browser settings and delete all cookies and browsing history.
  • Navigate to Settings > Privacy > Clear History and select “Delete everything (for all time)”.

4. Adjust Firefox Advanced Settings

  • Open Firefox and type about:config in the address bar to access advanced settings.
  • Change the following settings:
browser.geolocation.warning.infoURL; (delete the link)
media.peerconnection.default_iceservers; [{"url": "127.0.0.1"}]
geo.enabled; false
media.peerconnection.enabled; false

For JavaScript window features, set all these to true:

dom.disable_window_open_feature.close
dom.disable_window_open_feature.directories
dom.disable_window_open_feature.location
dom.disable_window_open_feature.menubar
dom.disable_window_open_feature.minimizable
dom.disable_window_open_feature.personalbar
dom.disable_window_open_feature.resizable
dom.disable_window_open_feature.scrollbars
dom.disable_window_open_feature.status
dom.disable_window_open_feature.titlebar
dom.disable_window_open_feature.toolbar

Set the following options as shown:

dom.storage.enabled -> false
dom.indexedDB.enabled -> false
browser.cache.disk.enable -> false
browser.cache.offline.enable -> false
browser.cache.disk_cache_ssl -> false
browser.cache.memory.enable -> false
browser.cache.disk.smart_size -> false
browser.cache.disk.smart_size.first_run -> false
browser.cache.disk.smart_size.use_old_max -> false
browser.cache.disk.capacity -> 0

app.update.auto -> false
app.update.enabled -> false
network.http.use-cache -> false
browser.search.update -> false
extensions.update.enabled -> false
extensions.getAddons.showPane -> false
extensions.blocklist.enabled -> false
browser.safebrowsing.enabled -> false
browser.sessionhistory.max_entries -> 2
browser.sessionstore.privacy_level -> 2
keyword.enabled -> false
geo.enabled -> false
browser.search.suggest.enabled -> false
browser.safebrowsing.enabled -> false
browser.safebrowsing.malware.enabled -> false
network.prefetch-next -> false
network.http.use-cache -> false
network.proxy.socks_remote_dns -> true
network.cookie.lifetimePolicy -> 2
network.http.sendRefererHeader -> 0
network.http.sendSecureXSiteReferrer -> false
network.protocol-handler.external -> false (set all sub-parameters to false)
network.protocol-handler.warn-external -> true (set all sub-parameters to true)
network.http.accept.default -> text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Disable or change the following URLs to 127.0.0.1:

  • app.releaseNotesURL
  • app.support.baseURL
  • app.update.url
  • app.update.url.details
  • app.update.url.manual
  • app.vendorURL
  • browser.geolocation.warning.infoURL
  • browser.search.searchEnginesURL
  • browser.throbber.url
  • extensions.webservice.discoverURL
  • breakpad.reportURL
  • plugins.update.url
  • extensions.update.url
  • pfs.datasource.url
  • services.aitc.*.url
  • services.notifications.serverURL
  • services.sync.jpake.serverURL
  • services.sync.*URL
  • spellchecker.dictionaries.download.url
  • toolkit.telemetry.infoURL

5. Install the NoScript Plugin

  • Install the NoScript extension to control JavaScript execution and enhance your privacy.

6. Edit Your Hosts File

Add the following lines to your hosts file to block tracking and analytics domains:

127.0.0.1 crl.geotrust.com
127.0.0.1 www.crl.geotrust.com
127.0.0.1 www.gstatic.com
127.0.0.1 gstatic.com
127.0.0.1 www.google-analytics.com
127.0.0.1 google-analytics.com
127.0.0.1 googleads.g.doubleclick.net
127.0.0.1 platform.twitter.com
127.0.0.1 l.addthiscdn.com
127.0.0.1 content.yieldmanager.edgesuite.net
127.0.0.1 s0.2mdn.net
127.0.0.1 a.tribalfusion.com
127.0.0.1 pagead2.googlesyndication.com
127.0.0.1 pixel.quantserve.com
127.0.0.1 ad.doubleclick.net
127.0.0.1 ad.yieldmanager.com
127.0.0.1 74.125.163.86
127.0.0.1 ssl.google-analytics.com
127.0.0.1 8.ce.b4.a1.top.mail.ru
127.0.0.1 www.hitcounter.ru
127.0.0.1 85ideas.com
127.0.0.1 id.google.ru
127.0.0.1 www.tns-counter.ru
127.0.0.1 fxfeeds.mozilla.com
127.0.0.1 newsrss.bbc.co.uk
127.0.0.1 www.bbc.co.uk
127.0.0.1 wsrss.bbc.co.uk
127.0.0.1 clients1.google.ru
127.0.0.1 luna.mail.ru
127.0.0.1 photo75.mail.ru
127.0.0.1 sitecheck2.opera.com
127.0.0.1 mu-in-f118.1e100.net
127.0.0.1 77.220.183.34
127.0.0.1 1e100.net
127.0.0.1 counter.yadro.ru
127.0.0.1 clients4.google.com
127.0.0.1 sb-ssl.google.com
127.0.0.1 clients2.google.com
127.0.0.1 tsarfin.com
127.0.0.1 rmuuekotik
127.0.0.1 ugsdxkmvpl
127.0.0.1 ckenrwezzt
127.0.0.1 counter.rambler.ru
127.0.0.1 counter.glc.ru
127.0.0.1 chatenabled.mail.google.com
127.0.0.1 suggestqueries.google.com
127.0.0.1 d5.cd.bf.a0.top.mail.ru
127.0.0.1 video-stats.video.google.com
127.0.0.1 p2.gygesawcxs5u6.xkbhduq3n7egsy7y.ds.ipv6-exp.l.google.com
127.0.0.1 ipv4.ipv6-exp.l.google.com
127.0.0.1 hit10.hotlog.ru
127.0.0.1 null
127.0.0.1 de.c6.bb.a0.top.mail.ru
127.0.0.1 mpa.one.microsoft.com
127.0.0.1 safebrowsing-cache.google.com
127.0.0.1 safebrowsing.clients.google.com
127.0.0.1 3dns-3.adobe.com
127.0.0.1 3dns-2.adobe.com
127.0.0.1 adobe-dns.adobe.com
127.0.0.1 adobe-dns-2.adobe.com
127.0.0.1 adobe-dns-3.adobe.com
127.0.0.1 ereg.wip3.adobe.com
127.0.0.1 activate-sea.adobe.com
127.0.0.1 wwis-dubc1-vip60.adobe.com
127.0.0.1 activate-sjc0.adobe.com
127.0.0.1 adobeereg.com
127.0.0.1 activate.adobe.com

By following these steps, you can significantly increase your privacy and anonymity while using Firefox.

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