From 67b7651493b94792a33261ec672ce94deec069c4 Mon Sep 17 00:00:00 2001
From: Danny Kirchmeier <danny@kirchmeier.us>
Date: Thu, 14 Jul 2016 13:14:40 -0500
Subject: [PATCH] Restrict pcap to only ARP packets

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 0e56076..1183abe 100644
--- a/index.js
+++ b/index.js
@@ -9,7 +9,7 @@ var int_array_to_hex = require('./helpers.js').int_array_to_hex;
 
 var create_session = function (arp_interface) {
     try {
-        var session = pcap.createSession(arp_interface);
+        var session = pcap.createSession(arp_interface, 'arp');
     } catch (err) {
         console.error(err);
         console.error("Failed to create pcap session: couldn't find devices to listen on.\n" + "Try running with elevated privileges via 'sudo'");