diff options
Diffstat (limited to 'sys/netinet/udp_usrreq.c')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 0d590d15f853..57abbe6a7431 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)udp_usrreq.c 8.6 (Berkeley) 5/23/95 - * $Id: udp_usrreq.c,v 1.19 1995/12/16 02:14:22 bde Exp $ + * $Id: udp_usrreq.c,v 1.20 1996/03/11 15:13:38 davidg Exp $ */ #include <sys/param.h> @@ -46,6 +46,7 @@ #include <sys/stat.h> #include <sys/kernel.h> #include <sys/sysctl.h> +#include <sys/syslog.h> #include <net/if.h> #include <net/route.h> @@ -72,6 +73,10 @@ static int udpcksum = 0; /* XXX */ SYSCTL_INT(_net_inet_udp, UDPCTL_CHECKSUM, checksum, CTLFLAG_RW, &udpcksum, 0, ""); +static int log_in_vain = 1; +SYSCTL_INT(_net_inet_udp, OID_AUTO, log_in_vain, CTLFLAG_RW, + &log_in_vain, 0, ""); + static struct inpcbhead udb; /* from udp_var.h */ static struct inpcbinfo udbinfo; @@ -274,6 +279,11 @@ udp_input(m, iphlen) uh->uh_dport, INPLOOKUP_WILDCARD); } if (inp == NULL) { + if (log_in_vain) + log(LOG_INFO, "Connection attempt to UDP %s:%d" + " from %s:%d\n", + inet_ntoa(ip->ip_dst), ntohs(uh->uh_dport), + inet_ntoa(ip->ip_src), ntohs(uh->uh_sport)); udpstat.udps_noport++; if (m->m_flags & (M_BCAST | M_MCAST)) { udpstat.udps_noportbcast++; |