hosts/swan/default.nix

@@ -53,7 +53,6 @@ inputs.nixpkgs.lib.nixosSystem {
       dotfiles.enable = true;
       arrs.enable = true;
 
-      services.bind.enable = true;
       services.caddy.enable = true;
       services.jellyfin.enable = true;
       services.nextcloud.enable = true;

modules/nixos/hardware/networking.nix

@@ -10,9 +10,6 @@
     services.avahi = {
       enable = true;
       domainName = "local";
-      ipv6 = false; # Should work either way
-      # Resolve local hostnames using Avahi DNS
-      nssmdns = true;
       publish = {
         enable = true;
         addresses = true;
@@ -20,6 +17,10 @@
         workstation = true;
       };
     };
+
+    # Resolve local hostnames using Avahi DNS
+    services.avahi.nssmdns = true;
+
   };
 
 }

modules/nixos/services/bind.nix

@@ -1,55 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-let
-
-  localIp = "192.168.1.218";
-  localServices = [
-    config.hostnames.stream
-    config.hostnames.content
-    config.hostnames.books
-    config.hostnames.download
-  ];
-  mkRecord = service: "${service}       A       ${localIp}";
-  localRecords = lib.concatLines (map mkRecord localServices);
-
-in {
-
-  config = lib.mkIf config.services.bind.enable {
-
-    caddy.cidrAllowlist = [ "192.168.0.0/16" ];
-
-    services.bind = {
-      cacheNetworks = [ "127.0.0.0/24" "192.168.0.0/16" ];
-      forwarders = [ "1.1.1.1" "1.0.0.1" ];
-      ipv4Only = true;
-
-      # Use rpz zone as an override
-      extraOptions = ''response-policy { zone "rpz"; };'';
-
-      zones = {
-        rpz = {
-          master = true;
-          file = pkgs.writeText "db.rpz" ''
-            $TTL 60  ; 1 minute
-            @       IN      SOA     localhost. root.localhost. (
-                                    2023071800      ; serial
-                                    1h              ; refresh
-                                    30m             ; retry
-                                    1w              ; expire
-                                    30m             ; minimum ttl
-                                    )
-                    IN      NS      localhost.
-            localhost       A       127.0.0.1
-            ${localRecords}
-          '';
-        };
-      };
-
-    };
-
-    networking.firewall.allowedTCPPorts = [ 53 ];
-    networking.firewall.allowedUDPPorts = [ 53 ];
-
-  };
-
-}

modules/nixos/services/caddy.nix

@@ -1,40 +1,25 @@
 { config, pkgs, lib, ... }: {
 
   options = {
-    caddy = {
-      tlsPolicies = lib.mkOption {
+    caddy.tlsPolicies = lib.mkOption {
       type = lib.types.listOf lib.types.attrs;
       description = "Caddy JSON TLS policies";
       default = [ ];
     };
-      routes = lib.mkOption {
+    caddy.routes = lib.mkOption {
       type = lib.types.listOf lib.types.attrs;
       description = "Caddy JSON routes for http servers";
       default = [ ];
     };
-      blocks = lib.mkOption {
+    caddy.blocks = lib.mkOption {
       type = lib.types.listOf lib.types.attrs;
       description = "Caddy JSON error blocks for http servers";
       default = [ ];
     };
-      cidrAllowlist = lib.mkOption {
-        type = lib.types.listOf lib.types.str;
-        description = "CIDR blocks to allow for requests";
-        default = [ "127.0.0.1/32" ];
-      };
-    };
   };
 
-  config = lib.mkIf config.services.caddy.enable {
-
-    # Force Caddy to 403 if not coming from allowlisted source
-    caddy.routes = [{
-      match = [{ not = [{ remote_ip.ranges = config.caddy.cidrAllowlist; }]; }];
-      handle = [{
-        handler = "static_response";
-        status_code = "403";
-      }];
-    }];
+  config =
+    lib.mkIf (config.services.caddy.enable && config.caddy.routes != [ ]) {
 
       services.caddy = {
         adapter = "''"; # Required to enable JSON

modules/nixos/services/cloudflare.nix

@@ -41,7 +41,13 @@ in {
   config = lib.mkIf config.cloudflare.enable {
 
     # Forces Caddy to error if coming from a non-Cloudflare IP
-    caddy.cidrAllowlist = cloudflareIpRanges;
+    caddy.routes = [{
+      match = [{ not = [{ remote_ip.ranges = cloudflareIpRanges; }]; }];
+      handle = [{
+        handler = "static_response";
+        status_code = "403";
+      }];
+    }];
 
     # Tell Caddy to use Cloudflare DNS for ACME challenge validation
     services.caddy.package = (pkgs.callPackage ../../../overlays/caddy.nix {

modules/nixos/services/default.nix

@@ -3,7 +3,6 @@
   imports = [
     ./arr.nix
     ./backups.nix
-    ./bind.nix
     ./caddy.nix
     ./calibre.nix
     ./cloudflare-tunnel.nix