fix server access when fiber down

systems/LoutreOS/configuration.nix

@@ -111,6 +111,10 @@
         ip6tables -A loutreos-forward -j ACCEPT -i eno2
         ip6tables -A loutreos-forward -j nixos-fw-log-refuse
         ip6tables -w -A FORWARD -j loutreos-forward
+
+        # Redirect local network request from server external IP to internal IP
+        # Make the server available even without internet access
+        iptables -t nat -A PREROUTING -s 10.30.0.0/16 -d 176.180.172.105 -j DNAT --to 10.30.0.1
       '';
     };
   };