From bff63c828f52db167150d3e9d61340517f928b61 Mon Sep 17 00:00:00 2001
From: "RingOfStorms (Joshua Bell)" <ringofstorms@gmail.com>
Date: Fri, 8 Aug 2025 15:58:40 -0500
Subject: [PATCH] remove upstream settings for dns dnsmasq since using adguard
 home for dns. Do bind dns service locally for rDNS PTR requests for adguard
 logs to be readable

---
 hosts/h003/flake.nix           |  2 ++
 hosts/h003/mods/networking.nix | 21 ++++++++++++---------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/hosts/h003/flake.nix b/hosts/h003/flake.nix
index 03d7af8..1d93336 100644
--- a/hosts/h003/flake.nix
+++ b/hosts/h003/flake.nix
@@ -36,7 +36,9 @@
                   environment.systemPackages = with pkgs; [
                     lua
                     sqlite
+                    # networking tools
                     tcpdump
+                    dig
                   ];
 
                   ringofstorms_common = {
diff --git a/hosts/h003/mods/networking.nix b/hosts/h003/mods/networking.nix
index 4da990e..3931e42 100644
--- a/hosts/h003/mods/networking.nix
+++ b/hosts/h003/mods/networking.nix
@@ -179,7 +179,11 @@
         "vlan30"
       ];
       bind-interfaces = true;
-      port = 0; # DISABLE DNS we are using ad guard for that
+
+      # Shift DNS to localhost only on a separate non standard port
+      # We are using ./adguardhome.nix for DNS and we still run this one for reverse name lookups
+      listen-address = "127.0.0.1";
+      port = 9053;
 
       # DHCP range and settings
       dhcp-range = [
@@ -215,14 +219,13 @@
         "vlan30,60,120"
       ];
 
-      # DNS settings
-      server = [
-        # TODO ad guard
-        "1.1.1.1"
-        "8.8.8.8"
-        "2606:4700:4700::1111" # Cloudflare IPv6
-        "2001:4860:4860::8888" # Google IPv6
-      ];
+      # DNS settings (not needed since we use adguard for dns)
+      # server = [
+      #   "1.1.1.1"
+      #   "8.8.8.8"
+      #   "2606:4700:4700::1111" # Cloudflare IPv6
+      #   "2001:4860:4860::8888" # Google IPv6
+      # ];
     };
   };