From f941c9c5fc7b8a9e6bec0d3e5633aed9376f504d Mon Sep 17 00:00:00 2001
From: VakarisZ <vakarisz@yahoo.com>
Date: Thu, 21 May 2020 10:57:18 +0300
Subject: [PATCH] Added port not null check on island resource

---
 .../cc/resources/monkey_control/remote_port_check.py            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/monkey/monkey_island/cc/resources/monkey_control/remote_port_check.py b/monkey/monkey_island/cc/resources/monkey_control/remote_port_check.py
index d10ad067c..06e49b145 100644
--- a/monkey/monkey_island/cc/resources/monkey_control/remote_port_check.py
+++ b/monkey/monkey_island/cc/resources/monkey_control/remote_port_check.py
@@ -8,7 +8,7 @@ class RemotePortCheck(flask_restful.Resource):
 
     # Used by monkey. can't secure.
     def get(self, port):
-        if check_tcp_port(request.remote_addr, port):
+        if port and check_tcp_port(request.remote_addr, port):
             return {"status": "port_visible"}
         else:
             return {"status": "port_invisible"}