diff --git a/flake.lock b/flake.lock
index d1201d6..177b3f9 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1748737919,
-        "narHash": "sha256-5kvBbLYdp+n7Ftanjcs6Nv+UO6sBhelp6MIGJ9nWmjQ=",
+        "lastModified": 1749243446,
+        "narHash": "sha256-P1gumhZN5N9q+39ndePHYrtwOwY1cGx+VoXGl+vTm7A=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "5675a9686851d9626560052a032c4e14e533c1fa",
+        "rev": "2d7d65f65b61fdfce23278e59ca266ddd0ef0a36",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1748693115,
-        "narHash": "sha256-StSrWhklmDuXT93yc3GrTlb0cKSS0agTAxMGjLKAsY8=",
+        "lastModified": 1749143949,
+        "narHash": "sha256-QuUtALJpVrPnPeozlUG/y+oIMSLdptHxb3GK6cpSVhA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "910796cabe436259a29a72e8d3f5e180fc6dfacc",
+        "rev": "d3d2d80a2191a73d1e86456a751b83aa13085d7d",
         "type": "github"
       },
       "original": {
diff --git a/hosts/default/configuration.nix b/hosts/default/configuration.nix
index 9ef43bd..f9b648e 100644
--- a/hosts/default/configuration.nix
+++ b/hosts/default/configuration.nix
@@ -55,11 +55,14 @@
   # Temporarily pin to 6.12 to fix llvm/rocm build
   # https://github.com/NixOS/nixpkgs/issues/368672#issuecomment-2608697421
   # boot.kernelPackages = pkgs.linuxPackages_6_12;
-  # boot.kernelPackages = pkgs.linuxPackages_zen;
+  boot.kernelPackages = pkgs.linuxPackages_zen;
   # nct6775 - for monitoring functions on ASUS ROG STRIX B550-F GAMING WIFI II
   # kvm-amd - AMD virtualization support
   boot.kernelModules = [ "kvm-amd" "nct6775" ];
 
+  # Problems with hangs on RX6700
+  boot.kernelParams = [ "amdgpu.dcdebugmask=0x10" ];
+
   # Direct patching for enabling for async reprojection (for SteamVR) on AMD
   # boot.kernelPatches = [
   #  {
@@ -198,8 +201,8 @@
     checkReversePath = "loose";
     extraCommands = ''
       # Enable connections to Ollama for VPN users:
+      iptables -t filter -I INPUT --protocol TCP --source 10.40.4.0/24 --destination 10.40.4.2 --dport 8080 -j ACCEPT
       iptables -t filter -I INPUT --protocol TCP --source 10.40.4.2/32 --destination 10.40.4.2 --dport 11434 -j ACCEPT
-      iptables -t filter -I INPUT --protocol TCP --source 10.0.7.0/24 --destination 10.40.4.2 --dport 11434 -j ACCEPT
     '';
     # wireguard trips rpfilter up
     #extraCommands = ''