From 9895dfa31e2d611f2cc28d6a7d3e951ba52df44c Mon Sep 17 00:00:00 2001
From: brian <brian@FreeBSD.org>
Date: Tue, 30 Mar 1999 10:11:21 +0000
Subject: Disable reads on our ICMP socket.  We only use it for sending. PR:
 9253

---
 sbin/natd/natd.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'sbin/natd')

diff --git a/sbin/natd/natd.c b/sbin/natd/natd.c
index a6e25b3..fd7ea11 100644
--- a/sbin/natd/natd.c
+++ b/sbin/natd/natd.c
@@ -9,7 +9,7 @@
  *
  * Ari Suutari <suutari@iki.fi>
  *
- *	$Id: natd.c,v 1.12 1999/03/24 20:30:20 brian Exp $
+ *	$Id: natd.c,v 1.13 1999/03/24 20:30:48 brian Exp $
  */
 
 #define SYSLOG_NAMES
@@ -270,6 +270,13 @@ int main (int argc, char** argv)
 	icmpSock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
 	if (icmpSock == -1)
 		Quit ("Unable to create ICMP socket.");
+
+/*
+ * And disable reads for the socket, otherwise it slowly fills
+ * up with received icmps which we do not use.
+ */
+	shutdown(icmpSock, SHUT_RD);
+
 /*
  * Become a daemon unless verbose mode was requested.
  */
-- 
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