From 096f641fa58c2e5afd862de4dfeba6a02924d099 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20Schr=C3=B6ter?= <dev@felschr.com>
Date: Fri, 12 Jan 2024 21:51:05 +0100
Subject: [PATCH] fix(networking): disable IPv6 preference again

By default the system will already prefer IPv6 if possible without
causing issues e.g. with NAT.

I did indeed experience some issues with IPv6 requrests having a huge
delay using Tailscale.

The following article contains a detailed explanation about this issue:
https://www.ietf.org/archive/id/draft-buraglio-6man-rfc6724-update-03.html
---
 system/networking.nix | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/system/networking.nix b/system/networking.nix
index cb5cebd..fa57e84 100644
--- a/system/networking.nix
+++ b/system/networking.nix
@@ -36,13 +36,4 @@
   systemd.services.dnscrypt-proxy2.serviceConfig = {
     StateDirectory = lib.mkForce "dnscrypt-proxy2";
   };
-
-  # prefer IPv6
-  environment.etc."gai.conf".text = ''
-    label ::1/128       0
-    label ::/0          1
-    label 2002::/16     2
-    label ::/96         3
-    label ::ffff:0:0/96 4
-  '';
 }