From 432b589ca1f0bd979b79417f538b35fe4da1c2c1 Mon Sep 17 00:00:00 2001
From: Dmitry Voronin <hi@voronind.com>
Date: Wed, 21 Aug 2024 11:47:22 +0300
Subject: [PATCH] Firefox : Disable built-in DoH.

---
 home/program/firefox/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/home/program/firefox/default.nix b/home/program/firefox/default.nix
index a4bef38b..59f746d1 100644
--- a/home/program/firefox/default.nix
+++ b/home/program/firefox/default.nix
@@ -38,7 +38,13 @@
 
 		// User agent.
 		// user_pref("general.useragent.override", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36");
+
+		// Disable HTTP3.
 		user_pref("network.http.http3.enable", false)
+
+		// Disable built-in DoH.
+		user_pref("doh-rollout.disable-heuristics", true);
+		user_pref("network.trr.mode", 5);
 	'';
 
 	mkExtension = install_url: {