diff --git a/cowrie/core/protocol.py b/cowrie/core/protocol.py
index 5a5aae5..3942359 100644
--- a/cowrie/core/protocol.py
+++ b/cowrie/core/protocol.py
@@ -375,6 +375,12 @@ class LoggingServerProtocol(insults.ServerProtocol):
     def __init__(self, prot=None, *a, **kw):
         insults.ServerProtocol.__init__(self, prot, *a, **kw)
         self.cfg = a[0].cfg
+        self.dataReceived = 0
+
+        try:
+            self.dataReceivedLimit = int(self.cfg.get('honeypot', 'download_limit_size'))
+        except:
+            self.dataReceivedLimit = 0
 
 
     def connectionMade(self):
@@ -417,6 +423,10 @@ class LoggingServerProtocol(insults.ServerProtocol):
     def dataReceived(self, data):
         """
         """
+        self.dataReceived += len(data)
+        if self.dataReceivedLimit and self.dataReceived > self.dataReceivedLimit:
+            self.transport.loseConnection()
+
         if self.stdinlog_open:
             with file(self.stdinlog_file, 'ab') as f:
                 f.write(data)