diff --git a/app/src/debug/res/xml/network_security_config.xml b/app/src/debug/res/xml/network_security_config.xml
new file mode 100644
index 0000000..dca93c0
--- /dev/null
+++ b/app/src/debug/res/xml/network_security_config.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <base-config cleartextTrafficPermitted="true" />
+</network-security-config>
\ No newline at end of file
diff --git a/app/src/main/java/io/github/jokoframework/activity/LoginActivity.java b/app/src/main/java/io/github/jokoframework/activity/LoginActivity.java
index 5e2c8fd..55d4528 100644
--- a/app/src/main/java/io/github/jokoframework/activity/LoginActivity.java
+++ b/app/src/main/java/io/github/jokoframework/activity/LoginActivity.java
@@ -42,6 +42,7 @@
 import io.github.jokoframework.model.UserAccessResponse;
 import io.github.jokoframework.model.UserData;
 import io.github.jokoframework.otp.OtpActivityNotLogged;
+import io.github.jokoframework.singleton.MboehaoApp;
 import io.github.jokoframework.utilities.AppUtils;
 import rx.Observable;
 import rx.Subscriber;
@@ -95,6 +96,7 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                 WindowManager.LayoutParams.FLAG_FULLSCREEN);
         initializeUI();
+        MboehaoApp.prompDevHostName(this);
     }
 
     private void initializeUI() {
@@ -299,7 +301,7 @@ private void loginJWT(LoginRequest loginRequest) {
 
         // Instanciar el RequestQueue.
         RequestQueue queue = Volley.newRequestQueue(this);
-        String url = getString(R.string.jwt_URL);
+        String url = MboehaoApp.getHostName() + getString(R.string.jwt_URL);
 
         Map<String, String> params = new HashMap();
         params.put("username", loginRequest.getUsername());
diff --git a/app/src/main/java/io/github/jokoframework/activity/SecondAuthenticationActivity.java b/app/src/main/java/io/github/jokoframework/activity/SecondAuthenticationActivity.java
index 0a06b09..9a8b2cf 100644
--- a/app/src/main/java/io/github/jokoframework/activity/SecondAuthenticationActivity.java
+++ b/app/src/main/java/io/github/jokoframework/activity/SecondAuthenticationActivity.java
@@ -18,11 +18,13 @@
 
 import io.github.jokoframework.R;
 import io.github.jokoframework.mboehaolib.util.Utils;
+import io.github.jokoframework.singleton.MboehaoApp;
 
 public class SecondAuthenticationActivity extends BaseActivity {
     private EditText otpTextField;
     private String secret;
     private Activity thisActivity;
+
     public Activity thisActivity() {
         return thisActivity;
     }
@@ -34,6 +36,7 @@ protected void onCreate(Bundle savedInstanceState) {
         Bundle b = getIntent().getExtras();
         assert b != null;
         secret = (String) b.get("SECRET");
+        MboehaoApp.prompDevHostName(this);
     }
 
     private void initializeUI(){
@@ -58,7 +61,8 @@ private void initializeUI(){
 
     private void otpValid(View view){
         RequestQueue queue = Volley.newRequestQueue(this);
-        String url = getString(R.string.user_acces_URL);
+
+        String url = MboehaoApp.getHostName() + getString(R.string.user_acces_URL);
 
         final Context ctx = view.getContext();
         Intent intent = new Intent(ctx, HomeActivity.class);
diff --git a/app/src/main/java/io/github/jokoframework/otp/edit/SaveActivity.java b/app/src/main/java/io/github/jokoframework/otp/edit/SaveActivity.java
index 83304f6..9014e1c 100644
--- a/app/src/main/java/io/github/jokoframework/otp/edit/SaveActivity.java
+++ b/app/src/main/java/io/github/jokoframework/otp/edit/SaveActivity.java
@@ -21,10 +21,10 @@
 import io.github.jokoframework.mboehaolib.util.Utils;
 import io.github.jokoframework.otp.token.Token;
 import io.github.jokoframework.otp.token.TokenPersistence;
+import io.github.jokoframework.singleton.MboehaoApp;
 
 public class SaveActivity extends BaseActivity {
 
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -49,12 +49,14 @@ public void onClick(View v) {
                 finish();
             }
         });
+        MboehaoApp.prompDevHostName(this);
     }
 
     private void saveSeed(Token token){
         RequestQueue queue = Volley.newRequestQueue(this);
 
-        String url = getString(R.string.user_acces_URL); //<--saveseed_URL url to request, change values/strings.xml
+        // saveseed_URL url to request, change values/strings.xml
+        String url = MboehaoApp.getHostName() + getString(R.string.user_acces_URL);
 
         //Creates parameters
         Map<String, String> params = new HashMap();
diff --git a/app/src/main/java/io/github/jokoframework/singleton/MboehaoApp.java b/app/src/main/java/io/github/jokoframework/singleton/MboehaoApp.java
index 4277e52..712373f 100644
--- a/app/src/main/java/io/github/jokoframework/singleton/MboehaoApp.java
+++ b/app/src/main/java/io/github/jokoframework/singleton/MboehaoApp.java
@@ -1,12 +1,17 @@
 package io.github.jokoframework.singleton;
 
 
+import android.app.Activity;
+import android.app.AlertDialog;
 import android.app.Application;
 import android.content.Context;
 import android.content.Intent;
 import android.preference.PreferenceManager;
 import androidx.multidex.MultiDex;
 import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.EditText;
 import android.widget.Toast;
 
 import com.crashlytics.android.Crashlytics;
@@ -35,6 +40,9 @@ public class MboehaoApp extends Application {
 
     private static Context singletonApplicationContext;
     private static MboehaoApp mySelf;
+    private static String hostName = "https://sodep.com.py";
+    private static Boolean devHostNameDefined = false;
+
     /**
      * Instance variables
      */
@@ -80,6 +88,45 @@ public void onCreate() {
         MboehaoApp.setSingletonApplicationContext(this.getApplicationContext());
     }
 
+    public static void setHostName(String newHostName){
+        hostName = newHostName;
+    }
+
+    public static String getHostName(){
+        return hostName;
+    }
+
+    public static void prompDevHostName(Activity ctx) {
+        if ( BuildConfig.DEBUG ) {
+            if ( !devHostNameDefined ) {
+                AlertDialog.Builder builder = new AlertDialog.Builder(ctx);
+                LayoutInflater inflater = ctx.getLayoutInflater();
+
+                View view = inflater.inflate(R.layout.prompt_hostname_view, null);
+                EditText inputHostName = view.findViewById(R.id.hostNameInput);
+
+                builder.setView(view)
+                        .setPositiveButton(R.string.button_accept, (dialog, id) -> {
+                            if ( inputHostName.getText().toString().equals("") ) {
+                                MboehaoApp.prompDevHostName(ctx);
+                                return;
+                            }
+                            MboehaoApp.setHostName(inputHostName.getText().toString());
+                            devHostNameDefined = true;
+                        })
+                        .setNegativeButton(R.string.button_cancel, (dialog, id) -> {
+                            if ( inputHostName.getText().toString().equals("") ) {
+                                MboehaoApp.prompDevHostName(ctx);
+                            }
+                            dialog.cancel();
+                        });
+
+                AlertDialog dialog = builder.create();
+                dialog.show();
+            }
+        }
+    }
+
     public OkHttpClient.Builder getHttpClient() {
         return httpClient;
     }
@@ -122,7 +169,7 @@ public static void setSingletonApplicationContext(Context singletonApplicationCo
     synchronized public Tracker getDefaultTracker() {
         if (mTracker == null) {
             this.analytics = GoogleAnalytics.getInstance(this);
-            analytics.getInstance(this).setLocalDispatchPeriod(1);
+            GoogleAnalytics.getInstance(this).setLocalDispatchPeriod(1);
             // To enable debug logging use: adb shell setprop log.tag.GAv4 DEBUG
             mTracker = analytics.newTracker(0x7f070000);
             mTracker.enableAutoActivityTracking(true);
diff --git a/app/src/main/res/layout/prompt_hostname_view.xml b/app/src/main/res/layout/prompt_hostname_view.xml
new file mode 100644
index 0000000..605e94a
--- /dev/null
+++ b/app/src/main/res/layout/prompt_hostname_view.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <EditText
+        android:id="@+id/hostNameInput"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:hint="@string/dummyHostname"
+        android:inputType="textUri"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:autofillHints="" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index bd24885..5a9c3d8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -46,8 +46,8 @@
     <string name="settings_pwd_too_short">New password must have at least 8 characters</string>
     <string name="eula_warning_body">Ud. no aceptó aún los términos de uso de la aplicación. Por favor lea hasta el final y marque la casilla de aceptación si está de acuerdo con las condiciones</string>
     <string name="eula_URL">http://example.com/</string>
-    <string name="jwt_URL">http://192.168.0.33:8080/api/login</string>
-    <string name="user_acces_URL">http://192.168.0.33:8080/api/token/user-access</string>
+    <string name="jwt_URL">/api/login</string>
+    <string name="user_acces_URL">/api/token/user-access</string>
     <string name="rest_URL">https://restcountries.eu/rest/v2/all?fields=name;alpha2Code</string>
     <string name="eula_warning_title"></string>
     <string name="eula_title">Aviso Legal de Responsabilidades</string>
diff --git a/app/src/main/res/xml/network_security_config.xml b/app/src/release/res/xml/network_secure_config.xml
similarity index 60%
rename from app/src/main/res/xml/network_security_config.xml
rename to app/src/release/res/xml/network_secure_config.xml
index ba61c77..636e8f0 100644
--- a/app/src/main/res/xml/network_security_config.xml
+++ b/app/src/release/res/xml/network_secure_config.xml
@@ -1,9 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <network-security-config>
+    <base-config cleartextTrafficPermitted="false" />
     <domain-config cleartextTrafficPermitted="true">
         <domain includeSubdomains="true">sodep.com.py</domain>
-        <domain-config cleartextTrafficPermitted="true">
-            <domain includeSubdomains="true">192.168.0.33</domain>
-        </domain-config>
     </domain-config>
 </network-security-config>
\ No newline at end of file