From 5022aaf794c0ce7470ac75b0924ede8775210eb0 Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Sat, 20 Aug 2016 00:07:59 +0000
Subject: [PATCH] Avoid error thrown when pcap read times out on
 firewall-bypass.nse

---
 scripts/firewall-bypass.nse | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/firewall-bypass.nse b/scripts/firewall-bypass.nse
index dde2a9c13..f4286eaf0 100644
--- a/scripts/firewall-bypass.nse
+++ b/scripts/firewall-bypass.nse
@@ -107,6 +107,10 @@ ftp_helper = {
           break
         end
       end
+      if not status then
+        stdnse.debug1("pcap read timed out")
+        return false
+      end
 
       -- Get ethernet values
       local f = packet.Frame:new(l2data)