diff --git a/SOURCES/firefox-centos-default-prefs.js b/SOURCES/firefox-centos-default-prefs.js
new file mode 100644
index 0000000..ea10021
--- /dev/null
+++ b/SOURCES/firefox-centos-default-prefs.js
@@ -0,0 +1,35 @@
+pref("app.update.auto",                     false);
+pref("app.update.enabled",                  false);
+pref("app.update.autoInstallEnabled",       false);
+pref("general.smoothScroll",                true);
+pref("intl.locale.matchOS",                 true);
+pref("toolkit.storage.synchronous",         0);
+pref("toolkit.networkmanager.disable",      false);
+pref("offline.autoDetect",                  true);
+pref("browser.backspace_action",            2);
+pref("browser.display.use_system_colors",   true);
+pref("browser.download.folderList",         1);
+pref("browser.link.open_external",          3);
+pref("browser.shell.checkDefaultBrowser",   false);
+pref("network.manage-offline-status",       true);
+pref("extensions.shownSelectionUI",         true);
+pref("ui.SpellCheckerUnderlineStyle",       1);
+pref("startup.homepage_override_url",       "http://www.centos.org");
+pref("startup.homepage_welcome_url",        "http://www.centos.org");
+pref("browser.startup.homepage",            "data:text/plain,browser.startup.homepage=file:///usr/share/doc/HTML/index.html");
+pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
+pref("media.gmp-gmpopenh264.provider.enabled",false);
+pref("media.gmp-gmpopenh264.autoupdate",false);
+pref("media.gmp-gmpopenh264.enabled",false);
+pref("media.gmp-gmpopenh264.enabled",false);
+pref("plugins.notifyMissingFlash", false);
+/* See https://bugzilla.redhat.com/show_bug.cgi?id=1226489 */
+pref("browser.display.use_system_colors", false);
+pref("layers.use-image-offscreen-surfaces", false);
+/* Allow sending credetials to all https:// sites */
+pref("network.negotiate-auth.trusted-uris", "https://");
+pref("security.use_sqldb", false);
+/* Use OS settings for UI language */
+pref("intl.locale.requested", "");
+/* See https://bugzilla.redhat.com/show_bug.cgi?id=1672424 */
+pref("storage.nfs_filesystem", true);