diff --git a/plugins/Stats/StatsPlugin.py b/plugins/Stats/StatsPlugin.py
index 32fd06c5..cdd09d8f 100644
--- a/plugins/Stats/StatsPlugin.py
+++ b/plugins/Stats/StatsPlugin.py
@@ -73,14 +73,15 @@ class UiRequestPlugin(object):
         import main
 
         # Connections
-        yield "<b>Connections</b> (%s, total made: %s, in: %s, out: %s):<br>" % (
-            len(main.file_server.connections), main.file_server.last_connection_id,
+        yield "<b>Connections</b> (%s, current version: %s, total made: %s, in: %s, out: %s):<br>" % (
+            len(main.file_server.connections), main.file_server.last_connection_id_current_version, main.file_server.last_connection_id,
             main.file_server.num_incoming, main.file_server.num_outgoing
         )
         yield "<table class='connections'><tr> <th>id</th> <th>type</th> <th>ip</th> <th>open</th> <th>crypt</th> <th>ping</th>"
         yield "<th>buff</th> <th>bad</th> <th>idle</th> <th>open</th> <th>delay</th> <th>cpu</th> <th>out</th> <th>in</th> <th>last sent</th>"
         yield "<th>wait</th> <th>version</th> <th>time</th> <th>sites</th> </tr>"
-        for connection in main.file_server.connections:
+        connections = sorted(main.file_server.connections, key=lambda connection: connection.handshake.get("rev", 0), reverse=True)
+        for connection in connections:
             if "cipher" in dir(connection.sock):
                 cipher = connection.sock.cipher()[0]
                 tls_version = connection.sock.version()
@@ -364,8 +365,14 @@ class UiRequestPlugin(object):
         self.sendHeader()
 
         if "Multiuser" in PluginManager.plugin_manager.plugin_names and not config.multiuser_local:
-            yield "This function is disabled on this proxy"
-            return
+            if 'access_key' not in self.get.keys():
+                yield "This function is disabled on this proxy"
+                return
+            else: 
+                access_key = self.get["access_key"]
+                if access_key != config.access_key:
+                    yield "This function is disabled on this proxy"
+                    return
 
         s = time.time()
 
diff --git a/src/Config.py b/src/Config.py
index 9bfcf96d..7555f65d 100644
--- a/src/Config.py
+++ b/src/Config.py
@@ -13,7 +13,7 @@ import time
 class Config(object):
 
     def __init__(self, argv):
-        self.version = "0.7.5"
+        self.version = "0.7.6-internal"
         self.rev = 4560
         self.argv = argv
         self.action = None
@@ -79,6 +79,8 @@ class Config(object):
 
     # Create command line arguments
     def createArguments(self):
+        from Crypt import CryptHash
+        access_key_default = CryptHash.random(24, "base64") # Used to allow restrited plugins when multiuser plugin is enabled
         trackers = [
             "zero://boot3rdez4rzn36x.onion:15441",
             "http://open.acgnxtracker.com:80/announce",  # DE
@@ -97,9 +99,6 @@ class Config(object):
             "udp://tracker.0x.tf:6969/announce",
             "udp://tracker.zerobytes.xyz:1337/announce",
             "udp://vibe.sleepyinternetfun.xyz:1738/announce",
-            "udp://tracker.bitsearch.to:1337/announce",
-            "udp://jeremylee.sh:6969/announce",
-            "udp://tracker.pomf.se:80/announce",
             "udp://www.torrent.eu.org:451/announce",
             "zero://k5w77dozo3hy5zualyhni6vrh73iwfkaofa64abbilwyhhd3wgenbjqd.onion:15441",
             "zero://2kcb2fqesyaevc4lntogupa4mkdssth2ypfwczd2ov5a3zo6ytwwbayd.onion:15441",
@@ -271,6 +270,7 @@ class Config(object):
                                  metavar='address')
         self.parser.add_argument('--updatesite', help='Source code update site', default='1Update8crprmciJHwp2WXqkx2c4iYp18',
                                  metavar='address')
+        self.parser.add_argument('--access_key', help='Plugin access key default: Random key generated at startup', default=access_key_default, metavar='key')
         self.parser.add_argument('--dist_type', help='Type of installed distribution', default='source')
 
         self.parser.add_argument('--size_limit', help='Default site size limit in MB', default=10, type=int, metavar='limit')
diff --git a/src/Connection/ConnectionServer.py b/src/Connection/ConnectionServer.py
index 8d377aca..090d96a6 100644
--- a/src/Connection/ConnectionServer.py
+++ b/src/Connection/ConnectionServer.py
@@ -30,7 +30,8 @@ class ConnectionServer(object):
             port = 15441
         self.ip = ip
         self.port = port
-        self.last_connection_id = 1  # Connection id incrementer
+        self.last_connection_id = 0  # Connection id incrementer
+        self.last_connection_id_current_version = 0  # Connection id incrementer for current client version
         self.log = logging.getLogger("ConnServer")
         self.port_opened = {}
         self.peer_blacklist = SiteManager.peer_blacklist
@@ -155,6 +156,9 @@ class ConnectionServer(object):
 
         connection = Connection(self, ip, port, sock)
         self.connections.append(connection)
+        rev = connection.handshake.get("rev", 0)
+        if rev > 0 and rev == config.rev:
+            self.last_connection_id_current_version += 1
         if ip not in config.ip_local:
             self.ips[ip] = connection
         connection.handleIncomingConnection(sock)
@@ -219,6 +223,10 @@ class ConnectionServer(object):
                 if not succ:
                     connection.close("Connection event return error")
                     raise Exception("Connection event return error")
+                else:
+                    rev = connection.handshake.get("rev", 0)
+                    if rev > 0 and rev == config.rev:
+                        self.last_connection_id_current_version += 1
 
             except Exception as err:
                 connection.close("%s Connect error: %s" % (ip, Debug.formatException(err)))