diff --git a/server/netwrapper.py b/server/netwrapper.py
index cac2397..28516df 100644
--- a/server/netwrapper.py
+++ b/server/netwrapper.py
@@ -104,8 +104,10 @@ class NetWrapper:
                 return b"LINOK"
             else:
                 self.logout()
+                return b"LINERROR"
         except Exception:
             self.logout()
+            return b"LINERROR"
 
     def recieveMessage(self) -> bytes:
         status, msg = self.network.receive_msg(blocking=True)
@@ -117,6 +119,7 @@ class NetWrapper:
             return self.recieveEncryptedMessage(msg)
 
     def logout(self) -> None:
+        self.serverInstance.logout()
         self.clientAddr = ""
         self.cipherkey = "".encode('UTF-8')
         self.currentClientPublicKey = "".encode('UTF-8')
diff --git a/server/server.py b/server/server.py
index a938dc7..089251f 100644
--- a/server/server.py
+++ b/server/server.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-
+from server.authentication import Authetication
 from executor import Executor
 
 
@@ -18,10 +18,19 @@ class Server:
         self.executor = Executor(homeDirectory)
 
     def login(self, username: str, password: str) -> bool:
-        pass
+        auth = Authetication()
+        self.isAuthenticated = True
+        home_directory = auth.login(username, password)
+        if not home_directory:
+            return False
+        else:
+            return True
 
     def logout(self) -> None:
-        pass
+        self.isAuthenticated = False
+        self.availableServer = False
+        self.homeDirectory = ""
+        self.currentDirectory = ""
 
     def parseCommand(self, command: str) -> str:
         parsedCommand = command.split(" ")