update

.idea/misc.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (pythonProject)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file

.idea/opcua-cloning.iml

@@ -2,7 +2,7 @@
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$" />
-    <orderEntry type="jdk" jdkName="Python 3.9 (pythonProject)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.9" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file

.idea/workspace.xml

@@ -39,7 +39,7 @@
   <component name="PropertiesComponent">
     <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
     <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/../test-conversion-pritocol" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
   </component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
@@ -49,7 +49,7 @@
       <recent name="D:\opcua-cloning" />
     </key>
   </component>
-  <component name="RunManager" selected="Python.opcua_receiver">
+  <component name="RunManager" selected="Python.opcua-transmitter (1)">
     <configuration name="asyncua_server (1)" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="opcua-cloning" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -178,8 +178,8 @@
     </configuration>
     <recent_temporary>
       <list>
-        <item itemvalue="Python.opcua_receiver" />
         <item itemvalue="Python.opcua-transmitter (1)" />
+        <item itemvalue="Python.opcua_receiver" />
         <item itemvalue="Python.hash_sender" />
         <item itemvalue="Python.asyncua_server (1)" />
         <item itemvalue="Python.asyncua_server" />

opcua_subscriber/opcua_subscribe.py

@@ -426,7 +426,7 @@ class opcua_pack():
 
     def connect(self,address):
         host,port=address.split("/")[2].split(":")
-        server_address = (host, int(port))
+        server_address = (socket.gethostbyname(host), int(port))
         sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         sock.connect(server_address)
         message = self.helf(address)