diff --git a/nixos/hosts/nixbox.nix b/nixos/hosts/nixbox.nix
index a8182b2..e5f9a61 100644
--- a/nixos/hosts/nixbox.nix
+++ b/nixos/hosts/nixbox.nix
@@ -70,8 +70,78 @@
   networking.firewall.allowedTCPPorts = [9091];
   networking.firewall.allowedUDPPorts = [9091];
 
+  networking.firewall.logRefusedConnections = true;
+  networking.firewall.logRefusedPackets = true;
+
+  networking.nftables.enable = true;
+  networking.nftables.flushRuleset = true;
+
+  networking.nftables.tables."nixos-fw".content = lib.mkForce "";
+
+  networking.firewall.trustedInterfaces = ["zt*"];
+
   swapDevices = [];
 
+  networking.nftables.ruleset = ''
+    table inet filter {
+      chain input {
+        type filter hook input priority 0;
+
+        # accept all localhost and zerotier traffic
+        iifname lo accept
+        iifname "zt*" accept
+
+        # accept traffic sent by us
+        ct state {established, related} accept
+
+        # ICMP
+        # routers may also want: mld-listener-query, nd-router-solicit
+        ip protocol icmp icmp type { destination-unreachable, router-advertisement, time-exceeded, parameter-problem } accept
+
+        # allow "ping"
+        ip protocol icmp icmp type echo-request accept
+
+        # jellyfin
+        tcp dport 8096 accept
+        tcp dport 8920 accept
+        udp dport 1900 accept
+        udp dport 7359 accept
+
+        # transmission web ui
+        tcp dport 9091 accept
+
+        # zerotier
+        udp dport 9993 accept
+        tcp dport 9993 accept
+
+        # ssh
+        tcp dport 22 accept
+
+        # drop all other packets
+        #counter drop
+        accept
+      }
+
+      chain output {
+        type filter hook output priority 0;
+
+        oifname != { "lo", "tun0", "zt*" } skgid 70 counter reject
+
+        # zerotier
+        oifname "zt*" accept
+        udp dport 9993 accept
+        tcp dport 9993 accept
+
+        accept
+      }
+
+      chain forward {
+        type filter hook forward priority 0;
+        accept
+      }
+    }
+  '';
+
   networking.useDHCP = lib.mkDefault true;
 
   networking.hostName = "nixbox";
diff --git a/nixos/modules/nordvpn.nix b/nixos/modules/nordvpn.nix
index e507b81..913c6eb 100644
--- a/nixos/modules/nordvpn.nix
+++ b/nixos/modules/nordvpn.nix
@@ -5,92 +5,93 @@
   globals,
   ...
 }: {
-  services.openvpn.servers.nordp2p.config = ''
-    client
-    dev tun
-    proto udp
-    remote 185.153.179.120 1194
-    resolv-retry infinite
-    remote-random
-    nobind
-    tun-mtu 1500
-    tun-mtu-extra 32
-    mssfix 1450
-    persist-key
-    persist-tun
-    ping 15
-    ping-restart 0
-    ping-timer-rem
-    reneg-sec 0
-    comp-lzo no
-    verify-x509-name CN=ca1576.nordvpn.com
+  services.openvpn.servers.nordp2p.config = ''    config ${pkgs.writeText "ovpn-config" ''
+      client
+      dev tun
+      proto udp
+      remote 185.153.179.120 1194
+      resolv-retry infinite
+      remote-random
+      nobind
+      tun-mtu 1500
+      tun-mtu-extra 32
+      mssfix 1450
+      persist-key
+      persist-tun
+      ping 15
+      ping-restart 0
+      ping-timer-rem
+      reneg-sec 0
+      comp-lzo no
+      verify-x509-name CN=ca1576.nordvpn.com
 
-    remote-cert-tls server
+      remote-cert-tls server
+
+      auth-user-pass ${pkgs.writeText "norduserpass" ''
+        ${globals.secrets.nord.username}
+        ${globals.secrets.nord.password}
+      ''}
+      verb 3
+      pull
+      fast-io
+      cipher AES-256-CBC
+      auth SHA512
+      <ca>
+      -----BEGIN CERTIFICATE-----
+      MIIFCjCCAvKgAwIBAgIBATANBgkqhkiG9w0BAQ0FADA5MQswCQYDVQQGEwJQQTEQ
+      MA4GA1UEChMHTm9yZFZQTjEYMBYGA1UEAxMPTm9yZFZQTiBSb290IENBMB4XDTE2
+      MDEwMTAwMDAwMFoXDTM1MTIzMTIzNTk1OVowOTELMAkGA1UEBhMCUEExEDAOBgNV
+      BAoTB05vcmRWUE4xGDAWBgNVBAMTD05vcmRWUE4gUm9vdCBDQTCCAiIwDQYJKoZI
+      hvcNAQEBBQADggIPADCCAgoCggIBAMkr/BYhyo0F2upsIMXwC6QvkZps3NN2/eQF
+      kfQIS1gql0aejsKsEnmY0Kaon8uZCTXPsRH1gQNgg5D2gixdd1mJUvV3dE3y9FJr
+      XMoDkXdCGBodvKJyU6lcfEVF6/UxHcbBguZK9UtRHS9eJYm3rpL/5huQMCppX7kU
+      eQ8dpCwd3iKITqwd1ZudDqsWaU0vqzC2H55IyaZ/5/TnCk31Q1UP6BksbbuRcwOV
+      skEDsm6YoWDnn/IIzGOYnFJRzQH5jTz3j1QBvRIuQuBuvUkfhx1FEwhwZigrcxXu
+      MP+QgM54kezgziJUaZcOM2zF3lvrwMvXDMfNeIoJABv9ljw969xQ8czQCU5lMVmA
+      37ltv5Ec9U5hZuwk/9QO1Z+d/r6Jx0mlurS8gnCAKJgwa3kyZw6e4FZ8mYL4vpRR
+      hPdvRTWCMJkeB4yBHyhxUmTRgJHm6YR3D6hcFAc9cQcTEl/I60tMdz33G6m0O42s
+      Qt/+AR3YCY/RusWVBJB/qNS94EtNtj8iaebCQW1jHAhvGmFILVR9lzD0EzWKHkvy
+      WEjmUVRgCDd6Ne3eFRNS73gdv/C3l5boYySeu4exkEYVxVRn8DhCxs0MnkMHWFK6
+      MyzXCCn+JnWFDYPfDKHvpff/kLDobtPBf+Lbch5wQy9quY27xaj0XwLyjOltpiST
+      LWae/Q4vAgMBAAGjHTAbMAwGA1UdEwQFMAMBAf8wCwYDVR0PBAQDAgEGMA0GCSqG
+      SIb3DQEBDQUAA4ICAQC9fUL2sZPxIN2mD32VeNySTgZlCEdVmlq471o/bDMP4B8g
+      nQesFRtXY2ZCjs50Jm73B2LViL9qlREmI6vE5IC8IsRBJSV4ce1WYxyXro5rmVg/
+      k6a10rlsbK/eg//GHoJxDdXDOokLUSnxt7gk3QKpX6eCdh67p0PuWm/7WUJQxH2S
+      DxsT9vB/iZriTIEe/ILoOQF0Aqp7AgNCcLcLAmbxXQkXYCCSB35Vp06u+eTWjG0/
+      pyS5V14stGtw+fA0DJp5ZJV4eqJ5LqxMlYvEZ/qKTEdoCeaXv2QEmN6dVqjDoTAo
+      k0t5u4YRXzEVCfXAC3ocplNdtCA72wjFJcSbfif4BSC8bDACTXtnPC7nD0VndZLp
+      +RiNLeiENhk0oTC+UVdSc+n2nJOzkCK0vYu0Ads4JGIB7g8IB3z2t9ICmsWrgnhd
+      NdcOe15BincrGA8avQ1cWXsfIKEjbrnEuEk9b5jel6NfHtPKoHc9mDpRdNPISeVa
+      wDBM1mJChneHt59Nh8Gah74+TM1jBsw4fhJPvoc7Atcg740JErb904mZfkIEmojC
+      VPhBHVQ9LHBAdM8qFI2kRK0IynOmAZhexlP/aT/kpEsEPyaZQlnBn3An1CRz8h0S
+      PApL8PytggYKeQmRhl499+6jLxcZ2IegLfqq41dzIjwHwTMplg+1pKIOVojpWA==
+      -----END CERTIFICATE-----
+      </ca>
+      key-direction 1
+      <tls-auth>
+      #
+      # 2048 bit OpenVPN static key
+      #
+      -----BEGIN OpenVPN Static key V1-----
+      e685bdaf659a25a200e2b9e39e51ff03
+      0fc72cf1ce07232bd8b2be5e6c670143
+      f51e937e670eee09d4f2ea5a6e4e6996
+      5db852c275351b86fc4ca892d78ae002
+      d6f70d029bd79c4d1c26cf14e9588033
+      cf639f8a74809f29f72b9d58f9b8f5fe
+      fc7938eade40e9fed6cb92184abb2cc1
+      0eb1a296df243b251df0643d53724cdb
+      5a92a1d6cb817804c4a9319b57d53be5
+      80815bcfcb2df55018cc83fc43bc7ff8
+      2d51f9b88364776ee9d12fc85cc7ea5b
+      9741c4f598c485316db066d52db4540e
+      212e1518a9bd4828219e24b20d88f598
+      a196c9de96012090e333519ae18d3509
+      9427e7b372d348d352dc4c85e18cd4b9
+      3f8a56ddb2e64eb67adfc9b337157ff4
+      -----END OpenVPN Static key V1-----
+      </tls-auth>
 
-    auth-user-pass ${pkgs.writeText "norduserpass" ''
-      ${globals.secrets.nord.username}
-      ${globals.secrets.nord.password}
     ''}
-    verb 3
-    pull
-    fast-io
-    cipher AES-256-CBC
-    auth SHA512
-    <ca>
-    -----BEGIN CERTIFICATE-----
-    MIIFCjCCAvKgAwIBAgIBATANBgkqhkiG9w0BAQ0FADA5MQswCQYDVQQGEwJQQTEQ
-    MA4GA1UEChMHTm9yZFZQTjEYMBYGA1UEAxMPTm9yZFZQTiBSb290IENBMB4XDTE2
-    MDEwMTAwMDAwMFoXDTM1MTIzMTIzNTk1OVowOTELMAkGA1UEBhMCUEExEDAOBgNV
-    BAoTB05vcmRWUE4xGDAWBgNVBAMTD05vcmRWUE4gUm9vdCBDQTCCAiIwDQYJKoZI
-    hvcNAQEBBQADggIPADCCAgoCggIBAMkr/BYhyo0F2upsIMXwC6QvkZps3NN2/eQF
-    kfQIS1gql0aejsKsEnmY0Kaon8uZCTXPsRH1gQNgg5D2gixdd1mJUvV3dE3y9FJr
-    XMoDkXdCGBodvKJyU6lcfEVF6/UxHcbBguZK9UtRHS9eJYm3rpL/5huQMCppX7kU
-    eQ8dpCwd3iKITqwd1ZudDqsWaU0vqzC2H55IyaZ/5/TnCk31Q1UP6BksbbuRcwOV
-    skEDsm6YoWDnn/IIzGOYnFJRzQH5jTz3j1QBvRIuQuBuvUkfhx1FEwhwZigrcxXu
-    MP+QgM54kezgziJUaZcOM2zF3lvrwMvXDMfNeIoJABv9ljw969xQ8czQCU5lMVmA
-    37ltv5Ec9U5hZuwk/9QO1Z+d/r6Jx0mlurS8gnCAKJgwa3kyZw6e4FZ8mYL4vpRR
-    hPdvRTWCMJkeB4yBHyhxUmTRgJHm6YR3D6hcFAc9cQcTEl/I60tMdz33G6m0O42s
-    Qt/+AR3YCY/RusWVBJB/qNS94EtNtj8iaebCQW1jHAhvGmFILVR9lzD0EzWKHkvy
-    WEjmUVRgCDd6Ne3eFRNS73gdv/C3l5boYySeu4exkEYVxVRn8DhCxs0MnkMHWFK6
-    MyzXCCn+JnWFDYPfDKHvpff/kLDobtPBf+Lbch5wQy9quY27xaj0XwLyjOltpiST
-    LWae/Q4vAgMBAAGjHTAbMAwGA1UdEwQFMAMBAf8wCwYDVR0PBAQDAgEGMA0GCSqG
-    SIb3DQEBDQUAA4ICAQC9fUL2sZPxIN2mD32VeNySTgZlCEdVmlq471o/bDMP4B8g
-    nQesFRtXY2ZCjs50Jm73B2LViL9qlREmI6vE5IC8IsRBJSV4ce1WYxyXro5rmVg/
-    k6a10rlsbK/eg//GHoJxDdXDOokLUSnxt7gk3QKpX6eCdh67p0PuWm/7WUJQxH2S
-    DxsT9vB/iZriTIEe/ILoOQF0Aqp7AgNCcLcLAmbxXQkXYCCSB35Vp06u+eTWjG0/
-    pyS5V14stGtw+fA0DJp5ZJV4eqJ5LqxMlYvEZ/qKTEdoCeaXv2QEmN6dVqjDoTAo
-    k0t5u4YRXzEVCfXAC3ocplNdtCA72wjFJcSbfif4BSC8bDACTXtnPC7nD0VndZLp
-    +RiNLeiENhk0oTC+UVdSc+n2nJOzkCK0vYu0Ads4JGIB7g8IB3z2t9ICmsWrgnhd
-    NdcOe15BincrGA8avQ1cWXsfIKEjbrnEuEk9b5jel6NfHtPKoHc9mDpRdNPISeVa
-    wDBM1mJChneHt59Nh8Gah74+TM1jBsw4fhJPvoc7Atcg740JErb904mZfkIEmojC
-    VPhBHVQ9LHBAdM8qFI2kRK0IynOmAZhexlP/aT/kpEsEPyaZQlnBn3An1CRz8h0S
-    PApL8PytggYKeQmRhl499+6jLxcZ2IegLfqq41dzIjwHwTMplg+1pKIOVojpWA==
-    -----END CERTIFICATE-----
-    </ca>
-    key-direction 1
-    <tls-auth>
-    #
-    # 2048 bit OpenVPN static key
-    #
-    -----BEGIN OpenVPN Static key V1-----
-    e685bdaf659a25a200e2b9e39e51ff03
-    0fc72cf1ce07232bd8b2be5e6c670143
-    f51e937e670eee09d4f2ea5a6e4e6996
-    5db852c275351b86fc4ca892d78ae002
-    d6f70d029bd79c4d1c26cf14e9588033
-    cf639f8a74809f29f72b9d58f9b8f5fe
-    fc7938eade40e9fed6cb92184abb2cc1
-    0eb1a296df243b251df0643d53724cdb
-    5a92a1d6cb817804c4a9319b57d53be5
-    80815bcfcb2df55018cc83fc43bc7ff8
-    2d51f9b88364776ee9d12fc85cc7ea5b
-    9741c4f598c485316db066d52db4540e
-    212e1518a9bd4828219e24b20d88f598
-    a196c9de96012090e333519ae18d3509
-    9427e7b372d348d352dc4c85e18cd4b9
-    3f8a56ddb2e64eb67adfc9b337157ff4
-    -----END OpenVPN Static key V1-----
-    </tls-auth>
-
   '';
 }
diff --git a/nixos/profiles/desktop.nix b/nixos/profiles/desktop.nix
index f7972e7..eaa03be 100644
--- a/nixos/profiles/desktop.nix
+++ b/nixos/profiles/desktop.nix
@@ -24,6 +24,8 @@
 
     synaptics.enable = false;
 
+    displayManager.lightdm.enable = false;
+
     libinput = {
       enable = true;
       touchpad.tapping = true;