Fix connection reset exception.

routersploit/modules/exploits/multi/heartbleed.py

@@ -84,7 +84,10 @@ class Exploit(exploits.Exploit):
                 return None
             r, w, e = select.select([s], [], [], 5)
             if s in r:
+                try:
                     data = s.recv(remain)
+                except socket.error:
+                    return None
 
                 if not data:
                     return None