diff --git a/pymanager/manager.py b/pymanager/manager.py
index 3ccb835..1960f53 100755
--- a/pymanager/manager.py
+++ b/pymanager/manager.py
@@ -199,7 +199,11 @@ class ManageHttpRequest(http.server.SimpleHTTPRequestHandler):
             self.end_headers()
             return None
         msg = self.rfile.read(sizemsg)
-        msgjson = json.loads(msg.decode())
+        try:
+            msgjson = json.loads(msg.decode())
+        except json.decoder.JSONDecodeError as e:
+            logging.error("Received request with json (%s)" % str(e))
+            return None
         return msgjson
 
     def _command_log(self):
@@ -442,6 +446,14 @@ class ManageHttpRequest(http.server.SimpleHTTPRequestHandler):
         logging.debug('delete recieved!')
         self.send_error(404, 'File Not Found: %s' % self.path)
 
+    def do_OPTIONS(self):
+        """ request OPTIONS received """
+        self.send_response(200, "ok")
+        self.send_header('Access-Control-Allow-Origin', '*')
+        self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
+        self.send_header("Access-Control-Allow-Headers", "*")
+        self.end_headers()
+
 
 class khaganatHTTPServer(http.server.HTTPServer):
     """
@@ -778,6 +790,13 @@ class Manager():
         self.users = {}
         self.passwordfile = None
         self.serverHttp = None
+        self.port = 8000
+        self.address = ''
+        self.keyfile = 'crt/key.pem'
+        self.certfile = 'crt/cert.pem'
+        self.ca_cert = 'crt/ca_cert.crt'
+        self.authentification = False
+        self.method = 'http'
 
     def load_config(self, filecfg):
         if filecfg is None:
@@ -812,23 +831,23 @@ class Manager():
                 try:
                     self.port = int(config[name]['port'])
                 except (TypeError, KeyError, ValueError):
-                    self.port = 8000
+                    pass
                 try:
                     self.address = config[name]['address']
                 except (TypeError, KeyError):
-                    self.address = ''
+                    pass
                 try:
                     self.keyfile = config[name]['keyfile']
                 except (TypeError, KeyError):
-                    self.keyfile = 'crt/key.pem'
+                    pass
                 try:
                     self.certfile = config[name]['certfile']
                 except (TypeError, KeyError):
-                    self.certfile = 'crt/cert.pem'
+                    pass
                 try:
                     self.ca_cert = config[name]['ca_cert']
                 except (TypeError, KeyError):
-                    self.ca_cert = 'crt/ca_cert.crt'
+                    pass
                 try:
                     tmp = config[name]['authentification']
                     if tmp.upper().strip() == 'YES':
@@ -836,17 +855,21 @@ class Manager():
                     else:
                         self.authentification = False
                 except (TypeError, KeyError):
-                    self.authentification = False
+                    pass
                 try:
                     self.passwordfile = config[name]['passwordfile']
                 except (TypeError, KeyError):
-                    self.passwordfile = None
+                    pass
                 try:
                     self.method = config[name]['method']
                 except (TypeError, KeyError):
-                    self.method = 'http'
+                    pass
             else:
-                head, value = name.split(':', maxsplit=1)
+                try:
+                    head, value = name.split(':', maxsplit=1)
+                except ValueError:
+                    logging.warning("ignore bad parameter '%s'" % (name))
+                    continue
                 if head == 'command' and 'command' in config[name]:
                     logging.debug("read command '%s'" % name)
                     if 'path' in config[name]: