From 9dd09ec3318bc1a31ce69a92bdcad342654f18d5 Mon Sep 17 00:00:00 2001
From: Harald Koch <chk@anemone.chk.cfrq.net>
Date: Wed, 7 Dec 2016 13:11:40 -0500
Subject: properly remove MSG_PEEK in check_dhcp.c. Fixes #1450.


diff --git a/plugins-root/check_dhcp.c b/plugins-root/check_dhcp.c
index 88b7ca1..f4c2daf 100644
--- a/plugins-root/check_dhcp.c
+++ b/plugins-root/check_dhcp.c
@@ -693,7 +693,7 @@ int receive_dhcp_packet(void *buffer, int buffer_size, int sock, int timeout, st
         else{
 		bzero(&source_address,sizeof(source_address));
 		address_size=sizeof(source_address);
-                recv_result=recvfrom(sock,(char *)buffer,buffer_size,MSG_PEEK,(struct sockaddr *)&source_address,&address_size);
+                recv_result=recvfrom(sock,(char *)buffer,buffer_size,0,(struct sockaddr *)&source_address,&address_size);
 		if(verbose)
 			printf("recv_result: %d\n",recv_result);
 
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