diff --git a/actor/src/actor_config_unmanaged.py b/actor/src/actor_config_unmanaged.py
index d11abcfa..a9dfd45f 100755
--- a/actor/src/actor_config_unmanaged.py
+++ b/actor/src/actor_config_unmanaged.py
@@ -49,6 +49,7 @@ if typing.TYPE_CHECKING:
 
 logger = logging.getLogger('actor')
 
+
 class UDSConfigDialog(QDialog):
     _host: str = ''
     _config: udsactor.types.ActorConfigurationType
@@ -60,65 +61,98 @@ class UDSConfigDialog(QDialog):
         self.ui = Ui_UdsActorSetupDialog()
         self.ui.setupUi(self)
         self.ui.host.setText(self._config.host)
-        self.ui.validateCertificate.setCurrentIndex(1 if self._config.validateCertificate else 0)
+        self.ui.validateCertificate.setCurrentIndex(
+            1 if self._config.validateCertificate else 0
+        )
         self.ui.logLevelComboBox.setCurrentIndex(self._config.log_level)
         self.ui.serviceToken.setText(self._config.master_token or '')
+        self.ui.restrictNet.setText(self._config.restrict_net or '')
 
-        self.ui.testButton.setEnabled(bool(self._config.master_token and self._config.host))
+        self.ui.testButton.setEnabled(
+            bool(self._config.master_token and self._config.host)
+        )
 
     @property
     def api(self) -> udsactor.rest.UDSServerApi:
-        return udsactor.rest.UDSServerApi(self.ui.host.text(), self.ui.validateCertificate.currentIndex() == 1)
+        return udsactor.rest.UDSServerApi(
+            self.ui.host.text(), self.ui.validateCertificate.currentIndex() == 1
+        )
 
     def finish(self) -> None:
         self.close()
 
     def configChanged(self, text: str) -> None:
-        self.ui.testButton.setEnabled(self.ui.host.text() == self._config.host and self.ui.serviceToken.text() == self._config.master_token)
+        self.ui.testButton.setEnabled(
+            self.ui.host.text() == self._config.host
+            and self.ui.serviceToken.text() == self._config.master_token
+            and self._config.restrict_net == self.ui.restrictNet.text()
+        )
 
     def testUDSServer(self) -> None:
         if not self._config.master_token or not self._config.host:
             self.ui.testButton.setEnabled(False)
             return
         try:
-            api = udsactor.rest.UDSServerApi(self._config.host, self._config.validateCertificate)
+            api = udsactor.rest.UDSServerApi(
+                self._config.host, self._config.validateCertificate
+            )
             if not api.test(self._config.master_token, udsactor.types.UNMANAGED):
                 QMessageBox.information(
                     self,
                     'UDS Test',
                     'Service token seems to be invalid . Please, check token validity.',
-                    QMessageBox.Ok
+                    QMessageBox.Ok,
                 )
             else:
                 QMessageBox.information(
                     self,
                     'UDS Test',
-                    'Configuration for {} seems to be correct.'.format(self._config.host),
-                    QMessageBox.Ok
+                    'Configuration for {} seems to be correct.'.format(
+                        self._config.host
+                    ),
+                    QMessageBox.Ok,
                 )
         except Exception:
             QMessageBox.information(
                 self,
                 'UDS Test',
                 'Configured host {} seems to be inaccesible.'.format(self._config.host),
-                QMessageBox.Ok
+                QMessageBox.Ok,
             )
 
     def saveConfig(self) -> None:
+        # Ensure restrict_net is empty or a valid subnet
+        restrictNet = self.ui.restrictNet.text().strip()
+        try:
+            subnet = udsactor.tools.strToNoIPV4Network(restrictNet)
+            if not subnet:
+                raise Exception('Invalid subnet')
+        except Exception:
+            QMessageBox.information(
+                self,
+                'Invalid subnet',
+                'Invalid subnet {}. Please, check it.'.format(restrictNet),
+                QMessageBox.Ok,
+            )
+            return
+
         # Store parameters on register for later use, notify user of registration
         self._config = udsactor.types.ActorConfigurationType(
             actorType=udsactor.types.UNMANAGED,
             host=self.ui.host.text(),
             validateCertificate=self.ui.validateCertificate.currentIndex() == 1,
-            master_token=self.ui.serviceToken.text(),
-            log_level=self.ui.logLevelComboBox.currentIndex()
+            master_token=self.ui.serviceToken.text().strip(),
+            restrict_net=restrictNet,
+            log_level=self.ui.logLevelComboBox.currentIndex(),
         )
 
         udsactor.platform.store.writeConfig(self._config)
         # Enables test button
         self.ui.testButton.setEnabled(True)
         # Informs the user
-        QMessageBox.information(self, 'UDS Configuration', 'Configuration saved.', QMessageBox.Ok)
+        QMessageBox.information(
+            self, 'UDS Configuration', 'Configuration saved.', QMessageBox.Ok
+        )
 
 
 if __name__ == "__main__":
@@ -127,9 +161,9 @@ if __name__ == "__main__":
         os.environ['QT_X11_NO_MITSHM'] = '1'
 
     app = QApplication(sys.argv)
-    
+
     if udsactor.platform.operations.checkPermissions() is False:
-        QMessageBox.critical(None, 'UDS Actor', 'This Program must be executed as administrator', QMessageBox.Ok)
+        QMessageBox.critical(None, 'UDS Actor', 'This Program must be executed as administrator', QMessageBox.Ok)  # type: ignore
         sys.exit(1)
 
     if len(sys.argv) > 2:
diff --git a/actor/src/designer/setup-dialog-unmanaged.ui b/actor/src/designer/setup-dialog-unmanaged.ui
index 26a71969..2c6bd953 100644
--- a/actor/src/designer/setup-dialog-unmanaged.ui
+++ b/actor/src/designer/setup-dialog-unmanaged.ui
@@ -10,8 +10,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>595</width>
-    <height>220</height>
+    <width>591</width>
+    <height>243</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -55,7 +55,7 @@
    <property name="geometry">
     <rect>
      <x>10</x>
-     <y>180</y>
+     <y>210</y>
      <width>181</width>
      <height>23</height>
     </rect>
@@ -83,7 +83,7 @@
    <property name="geometry">
     <rect>
      <x>410</x>
-     <y>180</y>
+     <y>210</y>
      <width>171</width>
      <height>23</height>
     </rect>
@@ -117,7 +117,7 @@
    <property name="geometry">
     <rect>
      <x>210</x>
-     <y>180</y>
+     <y>210</y>
      <width>181</width>
      <height>23</height>
     </rect>
@@ -144,7 +144,7 @@
      <x>10</x>
      <y>10</y>
      <width>571</width>
-     <height>161</height>
+     <height>228</height>
     </rect>
    </property>
    <layout class="QFormLayout" name="formLayout">
@@ -221,14 +221,14 @@
       </property>
      </widget>
     </item>
-    <item row="3" column="0">
+    <item row="4" column="0">
      <widget class="QLabel" name="label_loglevel">
       <property name="text">
        <string>Log Level</string>
       </property>
      </widget>
     </item>
-    <item row="3" column="1">
+    <item row="4" column="1">
      <widget class="QComboBox" name="logLevelComboBox">
       <property name="currentIndex">
        <number>1</number>
@@ -258,6 +258,23 @@
       </item>
      </widget>
     </item>
+    <item row="3" column="0">
+     <widget class="QLabel" name="label_restrictNet">
+      <property name="text">
+       <string>Restrict Net</string>
+      </property>
+     </widget>
+    </item>
+    <item row="3" column="1">
+     <widget class="QLineEdit" name="restrictNet">
+      <property name="toolTip">
+       <string>UDS user with administration rights (Will not be stored on template)</string>
+      </property>
+      <property name="whatsThis">
+       <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Administrator user on UDS Server.&lt;/p&gt;&lt;p&gt;Note: This credential will not be stored on client. Will be used to obtain an unique token for this image.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      </property>
+     </widget>
+    </item>
    </layout>
    <zorder>label_host</zorder>
    <zorder>host</zorder>
@@ -267,6 +284,8 @@
    <zorder>label_security</zorder>
    <zorder>label_loglevel</zorder>
    <zorder>logLevelComboBox</zorder>
+   <zorder>label_restrictNet</zorder>
+   <zorder>restrictNet</zorder>
   </widget>
  </widget>
  <resources>
@@ -353,6 +372,22 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>restrictNet</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>UdsActorSetupDialog</receiver>
+   <slot>configChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>341</x>
+     <y>139</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>295</x>
+     <y>121</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
  <slots>
   <slot>finish()</slot>
diff --git a/actor/src/udsactor/__init__.py b/actor/src/udsactor/__init__.py
index 630f9f4d..2fa9dded 100644
--- a/actor/src/udsactor/__init__.py
+++ b/actor/src/udsactor/__init__.py
@@ -31,6 +31,7 @@
 from . import types
 from . import rest
 from . import platform
+from . import tools
 
 __title__ = 'udsactor'
 __author__ = 'Adolfo Gómez <dkmaster@dkmon.com>'
diff --git a/actor/src/udsactor/linux/store.py b/actor/src/udsactor/linux/store.py
index 9226ac91..869475e3 100644
--- a/actor/src/udsactor/linux/store.py
+++ b/actor/src/udsactor/linux/store.py
@@ -56,6 +56,7 @@ def readConfig() -> types.ActorConfigurationType:
             validateCertificate=uds.getboolean('validate', fallback=False),
             master_token=uds.get('master_token', None),
             own_token=uds.get('own_token', None),
+            restrict_net=uds.get('restrict_net', None),
             pre_command=uds.get('pre_command', None),
             runonce_command=uds.get('runonce_command', None),
             post_command=uds.get('post_command', None),
@@ -78,6 +79,7 @@ def writeConfig(config: types.ActorConfigurationType) -> None:
     writeIfValue(config.actorType, 'type')
     writeIfValue(config.master_token, 'master_token')
     writeIfValue(config.own_token, 'own_token')
+    writeIfValue(config.restrict_net, 'restrict_net')
     writeIfValue(config.pre_command, 'pre_command')
     writeIfValue(config.post_command, 'post_command')
     writeIfValue(config.runonce_command, 'runonce_command')
diff --git a/actor/src/udsactor/service.py b/actor/src/udsactor/service.py
index 64916f5c..2347e2c1 100644
--- a/actor/src/udsactor/service.py
+++ b/actor/src/udsactor/service.py
@@ -39,6 +39,7 @@ import typing
 from . import platform
 from . import rest
 from . import types
+from . import tools
 
 from .log import logger, DEBUG, INFO, ERROR, FATAL
 from .http import clients_pool, server, cert
@@ -245,7 +246,7 @@ class CommonService:  # pylint: disable=too-many-instance-attributes
             return
 
         while self._isAlive:
-            self._interfaces = list(platform.operations.getNetworkInfo())
+            self._interfaces = tools.validNetworkCards(self._cfg.restrict_net, platform.operations.getNetworkInfo())
             if self._interfaces:
                 break
             self.doWait(5000)
diff --git a/actor/src/udsactor/tools.py b/actor/src/udsactor/tools.py
index 8d87646f..38764157 100644
--- a/actor/src/udsactor/tools.py
+++ b/actor/src/udsactor/tools.py
@@ -28,11 +28,17 @@
 '''
 @author: Adolfo Gómez, dkmaster at dkmon dot com
 '''
-# pylint: disable=invalid-name
+from re import I
 import threading
+import ipaddress
+import typing
 
 from udsactor.log import logger
 
+if typing.TYPE_CHECKING:
+    from udsactor.types import ActorConfigurationType, InterfaceInfoType
+
+
 class ScriptExecutorThread(threading.Thread):
     def __init__(self, script: str) -> None:
         super(ScriptExecutorThread, self).__init__()
@@ -45,3 +51,36 @@ class ScriptExecutorThread(threading.Thread):
         except Exception as e:
             logger.error('Error executing script: {}'.format(e))
             logger.exception()
+
+
+# Convert "X.X.X.X/X" to ipaddress.IPv4Network
+def strToNoIPV4Network(net: typing.Optional[str]) -> typing.Optional[ipaddress.IPv4Network]:
+    if not net:  # Empty or None
+        return None
+    try:
+        return ipaddress.IPv4Interface(net).network
+    except Exception:
+        return None
+
+
+def validNetworkCards(
+    net: typing.Optional[str], cards: typing.Iterable[InterfaceInfoType]
+) -> typing.List[InterfaceInfoType]:
+    try:
+        subnet = strToNoIPV4Network(net)
+    except Exception as e:
+        logger.error('Invalid network: {}'.format(e))
+        subnet = None
+
+    if subnet is None:
+        return list(cards)
+
+    def isValid(ip: str, subnet: ipaddress.IPv4Network) -> bool:
+        if not ip:
+            return False
+        try:
+            return ipaddress.IPv4Address(ip) in subnet
+        except Exception:
+            return False
+
+    return [c for c in cards if isValid(c.ip, subnet)]
diff --git a/actor/src/udsactor/types.py b/actor/src/udsactor/types.py
index 3140dd66..8e56122d 100644
--- a/actor/src/udsactor/types.py
+++ b/actor/src/udsactor/types.py
@@ -35,6 +35,7 @@ class ActorConfigurationType(typing.NamedTuple):
     actorType: typing.Optional[str] = None
     master_token: typing.Optional[str] = None
     own_token: typing.Optional[str] = None
+    restrict_net: typing.Optional[str] = None
 
     pre_command: typing.Optional[str] = None
     runonce_command: typing.Optional[str] = None
diff --git a/actor/src/ui/setup_dialog_ui.py b/actor/src/ui/setup_dialog_ui.py
index 38b7a480..7f6d1896 100644
--- a/actor/src/ui/setup_dialog_ui.py
+++ b/actor/src/ui/setup_dialog_ui.py
@@ -2,9 +2,10 @@
 
 # Form implementation generated from reading ui file 'setup-dialog.ui'
 #
-# Created by: PyQt5 UI code generator 5.13.2
+# Created by: PyQt5 UI code generator 5.15.2
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
 
 
 from PyQt5 import QtCore, QtGui, QtWidgets
diff --git a/actor/src/ui/setup_dialog_unmanaged_ui.py b/actor/src/ui/setup_dialog_unmanaged_ui.py
index 7f63525e..5ed834fd 100644
--- a/actor/src/ui/setup_dialog_unmanaged_ui.py
+++ b/actor/src/ui/setup_dialog_unmanaged_ui.py
@@ -2,9 +2,10 @@
 
 # Form implementation generated from reading ui file 'setup-dialog-unmanaged.ui'
 #
-# Created by: PyQt5 UI code generator 5.13.2
+# Created by: PyQt5 UI code generator 5.15.2
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
 
 
 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -14,7 +15,7 @@ class Ui_UdsActorSetupDialog(object):
     def setupUi(self, UdsActorSetupDialog):
         UdsActorSetupDialog.setObjectName("UdsActorSetupDialog")
         UdsActorSetupDialog.setWindowModality(QtCore.Qt.WindowModal)
-        UdsActorSetupDialog.resize(595, 220)
+        UdsActorSetupDialog.resize(591, 243)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
@@ -34,12 +35,12 @@ class Ui_UdsActorSetupDialog(object):
         UdsActorSetupDialog.setModal(True)
         self.saveButton = QtWidgets.QPushButton(UdsActorSetupDialog)
         self.saveButton.setEnabled(True)
-        self.saveButton.setGeometry(QtCore.QRect(10, 180, 181, 23))
+        self.saveButton.setGeometry(QtCore.QRect(10, 210, 181, 23))
         self.saveButton.setMinimumSize(QtCore.QSize(181, 0))
         self.saveButton.setContextMenuPolicy(QtCore.Qt.DefaultContextMenu)
         self.saveButton.setObjectName("saveButton")
         self.closeButton = QtWidgets.QPushButton(UdsActorSetupDialog)
-        self.closeButton.setGeometry(QtCore.QRect(410, 180, 171, 23))
+        self.closeButton.setGeometry(QtCore.QRect(410, 210, 171, 23))
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Fixed)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
@@ -49,11 +50,11 @@ class Ui_UdsActorSetupDialog(object):
         self.closeButton.setObjectName("closeButton")
         self.testButton = QtWidgets.QPushButton(UdsActorSetupDialog)
         self.testButton.setEnabled(False)
-        self.testButton.setGeometry(QtCore.QRect(210, 180, 181, 23))
+        self.testButton.setGeometry(QtCore.QRect(210, 210, 181, 23))
         self.testButton.setMinimumSize(QtCore.QSize(181, 0))
         self.testButton.setObjectName("testButton")
         self.layoutWidget = QtWidgets.QWidget(UdsActorSetupDialog)
-        self.layoutWidget.setGeometry(QtCore.QRect(10, 10, 571, 161))
+        self.layoutWidget.setGeometry(QtCore.QRect(10, 10, 571, 228))
         self.layoutWidget.setObjectName("layoutWidget")
         self.formLayout = QtWidgets.QFormLayout(self.layoutWidget)
         self.formLayout.setSizeConstraint(QtWidgets.QLayout.SetDefaultConstraint)
@@ -84,7 +85,7 @@ class Ui_UdsActorSetupDialog(object):
         self.formLayout.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.serviceToken)
         self.label_loglevel = QtWidgets.QLabel(self.layoutWidget)
         self.label_loglevel.setObjectName("label_loglevel")
-        self.formLayout.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.label_loglevel)
+        self.formLayout.setWidget(4, QtWidgets.QFormLayout.LabelRole, self.label_loglevel)
         self.logLevelComboBox = QtWidgets.QComboBox(self.layoutWidget)
         self.logLevelComboBox.setFrame(True)
         self.logLevelComboBox.setObjectName("logLevelComboBox")
@@ -96,7 +97,13 @@ class Ui_UdsActorSetupDialog(object):
         self.logLevelComboBox.setItemText(2, "ERROR")
         self.logLevelComboBox.addItem("")
         self.logLevelComboBox.setItemText(3, "FATAL")
-        self.formLayout.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.logLevelComboBox)
+        self.formLayout.setWidget(4, QtWidgets.QFormLayout.FieldRole, self.logLevelComboBox)
+        self.label_restrictNet = QtWidgets.QLabel(self.layoutWidget)
+        self.label_restrictNet.setObjectName("label_restrictNet")
+        self.formLayout.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.label_restrictNet)
+        self.restrictNet = QtWidgets.QLineEdit(self.layoutWidget)
+        self.restrictNet.setObjectName("restrictNet")
+        self.formLayout.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.restrictNet)
         self.label_host.raise_()
         self.host.raise_()
         self.label_serviceToken.raise_()
@@ -105,6 +112,8 @@ class Ui_UdsActorSetupDialog(object):
         self.label_security.raise_()
         self.label_loglevel.raise_()
         self.logLevelComboBox.raise_()
+        self.label_restrictNet.raise_()
+        self.restrictNet.raise_()
 
         self.retranslateUi(UdsActorSetupDialog)
         self.logLevelComboBox.setCurrentIndex(1)
@@ -113,6 +122,7 @@ class Ui_UdsActorSetupDialog(object):
         self.saveButton.clicked.connect(UdsActorSetupDialog.saveConfig)
         self.host.textChanged['QString'].connect(UdsActorSetupDialog.configChanged)
         self.serviceToken.textChanged['QString'].connect(UdsActorSetupDialog.configChanged)
+        self.restrictNet.textChanged['QString'].connect(UdsActorSetupDialog.configChanged)
         QtCore.QMetaObject.connectSlotsByName(UdsActorSetupDialog)
 
     def retranslateUi(self, UdsActorSetupDialog):
@@ -139,4 +149,7 @@ class Ui_UdsActorSetupDialog(object):
         self.serviceToken.setToolTip(_translate("UdsActorSetupDialog", "UDS user with administration rights (Will not be stored on template)"))
         self.serviceToken.setWhatsThis(_translate("UdsActorSetupDialog", "<html><head/><body><p>Administrator user on UDS Server.</p><p>Note: This credential will not be stored on client. Will be used to obtain an unique token for this image.</p></body></html>"))
         self.label_loglevel.setText(_translate("UdsActorSetupDialog", "Log Level"))
+        self.label_restrictNet.setText(_translate("UdsActorSetupDialog", "Restrict Net"))
+        self.restrictNet.setToolTip(_translate("UdsActorSetupDialog", "UDS user with administration rights (Will not be stored on template)"))
+        self.restrictNet.setWhatsThis(_translate("UdsActorSetupDialog", "<html><head/><body><p>Administrator user on UDS Server.</p><p>Note: This credential will not be stored on client. Will be used to obtain an unique token for this image.</p></body></html>"))
 from ui import uds_rc
diff --git a/actor/src/ui/uds_rc.py b/actor/src/ui/uds_rc.py
index 26d1f8e7..e9a5d15e 100644
--- a/actor/src/ui/uds_rc.py
+++ b/actor/src/ui/uds_rc.py
@@ -2,7 +2,7 @@
 
 # Resource object code
 #
-# Created by: The Resource Compiler for PyQt5 (Qt v5.13.2)
+# Created by: The Resource Compiler for PyQt5 (Qt v5.15.2)
 #
 # WARNING! All changes made in this file will be lost!
 
diff --git a/client-py3/full/src/uds/tools.py b/client-py3/full/src/uds/tools.py
index d82baf66..b335e6da 100644
--- a/client-py3/full/src/uds/tools.py
+++ b/client-py3/full/src/uds/tools.py
@@ -234,8 +234,8 @@ def verifySignature(script: bytes, signature: bytes) -> bool:
     )
 
     try:
-        public_key.verify(
-            base64.b64decode(signature), script, padding.PKCS1v15(), hashes.SHA256()
+        public_key.verify(  # type: ignore
+            base64.b64decode(signature), script, padding.PKCS1v15(), hashes.SHA256()  # type: ignore
         )
     except Exception:  # InvalidSignature
         return False