Author: andre
Date: Sat Aug 14 21:04:27 2010
New Revision: 211316
URL: http://svn.freebsd.org/changeset/base/211316
Log:
Change the messages of the ICMP bad port bandwidth limiter from
a kernel printf to a log output with the priority of LOG_NOTICE.
This way the messages still show up in /var/log/messages but no
longer spam the console every other second on busy servers that
are port scanned:
"Limiting open port RST response from 114 to 100 packets/sec"
PR: kern/147352
Submitted by: Eugene Grosbein <eugen-at-eg sd rdtc ru>
MFC after: 1 week
Modified:
head/sys/netinet/ip_icmp.c
Modified: head/sys/netinet/ip_icmp.c
==============================================================================
--- head/sys/netinet/ip_icmp.c Sat Aug 14 20:40:55 2010 (r211315)
+++ head/sys/netinet/ip_icmp.c Sat Aug 14 21:04:27 2010 (r211316)
@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
#include <sys/time.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
+#include <sys/syslog.h>
#include <net/if.h>
#include <net/if_types.h>
@@ -975,7 +976,7 @@ badport_bandlim(int which)
* the previous behaviour at the expense of added complexity.
*/
if (V_icmplim_output && opps > V_icmplim)
- printf("Limiting %s from %d to %d packets/sec\n",
+ log(LOG_NOTICE, "Limiting %s from %d to %d
packets/sec\n",
r->type, opps, V_icmplim);
}
return 0; /* okay to send packet */
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