diff --git a/librewolf.cfg b/librewolf.cfg
index 1da4b1f..d1e43fd 100644
--- a/librewolf.cfg
+++ b/librewolf.cfg
@@ -129,6 +129,7 @@ lockPref("browser.contentblocking.trackingprotection.ui.enabled", false);
 //lockPref("browser.contentblocking.ui.enabled", false);
 //lockPref("browser.contentblocking.enabled", false);
 
+
 // ----------------------------------
 // User Settings : Auto-play settings
 // ----------------------------------
@@ -353,6 +354,7 @@ lockPref("dom.w3c_pointer_events.enabled", false);
 //lockPref("network.http.spdy.enabled", false);
 //lockPref("network.http.spdy.enabled.deps", false);
 //lockPref("network.http.spdy.enabled.http2", false);
+//lockPref("network.http.spdy.websockets", false);
 
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // Section : Firefox Fingerprint
@@ -400,6 +402,7 @@ lockPref("dom.push.enabled", false);
 lockPref("dom.push.connection.enabled", false);
 lockPref("dom.push.serverURL", ""); //default "wss://push.services.mozilla.com/"
 lockPref("dom.push.userAgentID", "");
+lockPref("dom.targetBlankNoOpener.enabled", true);
 lockPref("security.data_uri.block_toplevel_data_uri_navigations", true); // default: true in FF59+
 lockPref("ui.use_standins_for_native_colors", true); // (hidden pref)
 lockPref("services.blocklist.onecrl.collection", ""); // revoked certificates
@@ -1615,6 +1618,11 @@ lockPref("gecko.handlerService.schemes.webcal.0.uriTemplate", "");
 lockPref("geo.enabled", false);
 lockPref("geo.wifi.uri", "");
 
+// Disable using the OS's geolocation service
+lockpref("geo.provider.ms-windows-location", false); // [WINDOWS]
+lockpref("geo.provider.use_corelocation", false); // [MAC]
+lockpref("geo.provider.use_gpsd", false); // [LINUX]
+
 // Pref :
 lockPref("identity.fxaccounts.auth.uri", "");
 lockPref("identity.fxaccounts.remote.oauth.uri", "");
@@ -1638,6 +1646,13 @@ lockPref("network.predictor.enabled", false);
 lockPref("network.predictor.cleaned-up", true);
 lockPref("network.predictor.enable-prefetch", false);
 
+// Disable Network Connectivity Services
+lockPref("network.connectivity-service.enabled", false);
+lockPref("network.connectivity-service.IPv6.url", "http://0.0.0.0");
+lockPref("network.connectivity-service.IPv4.url", "http://0.0.0.0");
+lockPref("network.connectivity-service.DNSv6.domain", "");
+lockPref("network.connectivity-service.DNSv4.domain", "");
+
 // Pref :
 lockPref("plugins.crash.supportUrl", "");
 
@@ -1690,6 +1705,10 @@ lockPref("toolkit.telemetry.shutdownPingSender.enabled", false);
 lockPref("toolkit.telemetry.unified", false);
 lockPref("toolkit.telemetry.coverage.opt-out", true);
 
+lockPref("browser.discovery.enabled", false);
+lockPref("browser.discovery.containers.enabled", false);
+lockPref("browser.discovery.sites", "");
+
 // Pref :
 lockPref("webextensions.storage.sync.serverURL", "");