==== Firefox ====
Some of this applies to SeaMonkey, some of it might be outdated (since I no longer use Firefox), and some of it may make your device catch on fire.
^ Key ^ Value ^ Notes ^
| geo.enabled | false | Disable being asked to share your location. [[https://support.mozilla.org/en-US/questions/942400|link]] |
| browser.search.geoip.url | Blank | Disable Geolocation for default search engine |
| browser.download.lastDir.savePerSite | false | Disable remembering per-site download directories. [[https://support.mozilla.org/en-US/questions/922886|link]] |
| browser.urlbar.trimURLs | false | Disable hiding protocol at the front of the URL bar. [[https://support.mozilla.org/en-US/questions/881261|link]] |
| network.dns.disableIPv6 | true | Disable IPv6. [[http://kb.mozillazine.org/Network.dns.disableIPv6|link]] |
| network.dns.disablePrefetch | true | Disable prefetching. [[https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching|link]] |
| network.prefetch-next | false | ::: |
| network.http.speculative-parallel-limit | 0 | ::: |
| dom.event.clipboardevents.enabled | false | Disable clipboard notifications. |
| browser.cache.offline.enable | false | Disable offline cache. |
| webgl.disabled | true | Disable WebGL. |
| dom.battery.enabled | false | Disable battery status. |
| pageThumbs.enabled | false | Disable thumbnail previews. [[https://support.mozilla.org/en-US/questions/973320|link]] |
| browser.tabs.tooltippreview.enable | false | Disable thumbnail previews **in SeaMonkey**. [[http://forums.mozillazine.org/viewtopic.php?f=40&t=512574#p2710411|link]] |
| extensions.getAddons.cache.enabled | false | Disable addon metadata updating. |
| media.peerconnection.enabled | false | Disable WebRTC. |
| media.peerconnection.identity.enabled | false | ::: |
| media.peerconnection.video.enabled | false | ::: |
| media.peerconnection.p9_enabled | false | ::: |
| network.captive-portal-service.enabled | false | Disable captive portal detection. [[https://bugzilla.mozilla.org/show_bug.cgi?id=1307867|link]] |
| reader.parse-on-load.enabled | false | Disable reader mode. |
| extensions.pocket.enabled | false | Disable pocket. |

==== Thunderbird ====
^ Key ^ Value ^ Notes ^
| mailnews.reply_quoting_selection | false | Disable quoting only selected text when replying. [[https://support.mozilla.org/en-US/questions/1002362|link]] |
| mailnews.reply_quoting_selection.multi_word | false | ::: |
| mail.ui.display.dateformat.today | 2 | Show short date in message list. |
| mail.smtpserver.smtp1.hello_argument | mail.yourname.tld | HELO identifier (needs to be set for each SMTP profile) |
| general.useragent.override | My Mail Application v1.0 | Override mail agent. |
| extensions.enigmail.addHeaders | false | Hide Enigmail extension |
| mailnews.default_news_sort_order | 2 | Set default to sort by date descending [[https://superuser.com/questions/13518/change-the-default-sorting-order-in-thunderbird|link]] |
| mailnews.default_news_sort_type | 18 | ::: |
| mailnews.default_sort_order | 2 | ::: |
| mailnews.default_sort_type | 18 | ::: |

==== MPlayer/SMPlayer ====
Disable xscreensaver while playing. [[http://superuser.com/questions/545631/smplayer-does-not-disable-screensaver|link]]
^ File ^ Content ^
| ~/.mplayer/config | heartbeat-cmd="xscreensaver-command -deactivate >&- 2>&- &" |

==== Thunar ====
Stop Thunar from automatically resizing columns. [[http://docs.xfce.org/xfce/thunar/the-file-manager-window#main_area|link]]
  * Menu
  * View
  * Configure Columns
  * Automatically expand columns as needed (uncheck)

Stop Thunar from ignoring non-alpha-numeric characters when sorting. [[https://snork.ca/posts/2016-05-19-linux-locale-and-file-manager-collate/|link]]
^ File ^ Content ^
| ~/.config/openbox/environment | export LC_COLLATE=C |

==== Chrome/Chromium ====
Protocol and www hidden in URL bar
  * Right click URL bar and set Always Show Full URLs
No proxy configuration on Linux
  * Install [[https://chrome.google.com/webstore/detail/proxy-switcher-and-manage/onnfghpihccifgojkpnnncpagjcdbjod?hl=en|Proxy Switcher]] and use PAC file