diff --git a/app/src/main/java/io/xpipe/app/beacon/AppBeaconServer.java b/app/src/main/java/io/xpipe/app/beacon/AppBeaconServer.java
index 02b42f1e1..be4e4d8cd 100644
--- a/app/src/main/java/io/xpipe/app/beacon/AppBeaconServer.java
+++ b/app/src/main/java/io/xpipe/app/beacon/AppBeaconServer.java
@@ -1,5 +1,7 @@
 package io.xpipe.app.beacon;
 
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpServer;
 import io.xpipe.app.core.AppResources;
 import io.xpipe.app.issue.ErrorEvent;
 import io.xpipe.app.issue.TrackEvent;
@@ -8,13 +10,10 @@ import io.xpipe.beacon.BeaconConfig;
 import io.xpipe.beacon.BeaconInterface;
 import io.xpipe.core.process.OsType;
 import io.xpipe.core.util.XPipeInstallation;
-
-import com.sun.net.httpserver.HttpExchange;
-import com.sun.net.httpserver.HttpServer;
 import lombok.Getter;
 
 import java.io.IOException;
-import java.net.InetAddress;
+import java.net.Inet4Address;
 import java.net.InetSocketAddress;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -127,7 +126,7 @@ public class AppBeaconServer {
     }
 
     private void start() throws IOException {
-        server = HttpServer.create(new InetSocketAddress(InetAddress.getLoopbackAddress(), port), 10);
+        server = HttpServer.create(new InetSocketAddress(Inet4Address.getByAddress(new byte[]{ 0x7f,0x00,0x00,0x01 }), port), 10);
         BeaconInterface.getAll().forEach(beaconInterface -> {
             server.createContext(beaconInterface.getPath(), new BeaconRequestHandler<>(beaconInterface));
         });
diff --git a/beacon/src/main/java/io/xpipe/beacon/BeaconClient.java b/beacon/src/main/java/io/xpipe/beacon/BeaconClient.java
index 26867ef94..16dbbec7e 100644
--- a/beacon/src/main/java/io/xpipe/beacon/BeaconClient.java
+++ b/beacon/src/main/java/io/xpipe/beacon/BeaconClient.java
@@ -64,7 +64,8 @@ public class BeaconClient {
         var client = HttpClient.newHttpClient();
         HttpResponse<String> response;
         try {
-            var uri = URI.create("http://localhost:" + port + prov.getPath());
+            // Use direct IP to prevent DNS lookups and potential blocks (e.g. portmaster)
+            var uri = URI.create("http://127.0.0.1:" + port + prov.getPath());
             var builder = HttpRequest.newBuilder();
             if (token != null) {
                 builder.header("Authorization", "Bearer " + token);
diff --git a/beacon/src/main/java/io/xpipe/beacon/BeaconServer.java b/beacon/src/main/java/io/xpipe/beacon/BeaconServer.java
index 3de5f910b..838058c45 100644
--- a/beacon/src/main/java/io/xpipe/beacon/BeaconServer.java
+++ b/beacon/src/main/java/io/xpipe/beacon/BeaconServer.java
@@ -8,7 +8,7 @@ import io.xpipe.core.util.XPipeInstallation;
 
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
-import java.net.InetAddress;
+import java.net.Inet4Address;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.util.List;
@@ -20,7 +20,7 @@ public class BeaconServer {
 
     public static boolean isReachable(int port) {
         try (var socket = new Socket()) {
-            socket.connect(new InetSocketAddress(InetAddress.getLoopbackAddress(), port), 5000);
+            socket.connect(new InetSocketAddress(Inet4Address.getByAddress(new byte[]{ 0x7f,0x00,0x00,0x01 }), port), 5000);
             return true;
         } catch (Exception e) {
             return false;