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Disable reads on our ICMP socket. We only use it for sending.

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PR:	9253
This commit is contained in:
Brian Somers 1999-03-30 10:11:21 +00:00
parent 323753d200
commit f3d640240b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=45143
1 changed files with 8 additions and 1 deletions
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9
sbin/natd/natd.c
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@ -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.
*/