Add initial configuration

net.nix

@@ -0,0 +1,26 @@
+{ ... }:
+
+{
+  networking = {
+    hostName = "xeon07";
+
+    useDHCP = false;
+    defaultGateway = "10.0.40.30";
+    nameservers = ["8.8.8.8"];
+    interfaces.eno1.useDHCP = false;
+    interfaces.eno1.ipv4.addresses = [ {
+      address = "10.0.40.7";
+      prefixLength = 24;
+    } ];
+
+    proxy = {
+      default = "http://localhost:23080/";
+      noProxy = "127.0.0.1,localhost,internal.domain";
+    };
+
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [ 22 80 443 ];
+    };
+  };
+}