6/29/2006 5:06:40 PM Intrusion.Win.MSSQL.worm.Helkern 219.140.161.254 UDP 1434
6/29/2006 6:47:06 PM Intrusion.Win.MSSQL.worm.Helkern 61.139.106.247 UDP 1434
6/29/2006 10:39:11 PM Intrusion.Win.MSSQL.worm.Helkern 60.191.42.142 UDP 1434
6/30/2006 2:11:02 AM Intrusion.Win.MSSQL.worm.Helkern 219.151.3.130 UDP 1434
6/30/2006 2:25:13 AM Intrusion.Win.MSSQL.worm.Helkern 125.64.3.78 UDP 1434
6/30/2006 4:58:24 AM Intrusion.Win.MSSQL.worm.Helkern 220.170.199.34 UDP 1434
6/30/2006 8:30:38 AM Intrusion.Win.MSSQL.worm.Helkern 221.235.112.94 UDP 1434
6/30/2006 9:21:46 AM Intrusion.Win.MSSQL.worm.Helkern 61.175.163.195 UDP 1434
6/30/2006 9:56:50 AM Intrusion.Win.MSSQL.worm.Helkern 202.56.246.246 UDP 1434
6/30/2006 10:08:04 AM Intrusion.Win.MSSQL.worm.Helkern 219.146.128.114 UDP 1434
6/30/2006 12:30:13 PM Intrusion.Win.MSSQL.worm.Helkern 61.187.200.10 UDP 1434
6/30/2006 12:45:41 PM Intrusion.Win.MSSQL.worm.Helkern 61.139.54.94 UDP 1434
6/30/2006 1:26:21 PM Intrusion.Win.MSSQL.worm.Helkern 219.149.52.50 UDP 1434
6/30/2006 3:10:52 PM Intrusion.Win.MSSQL.worm.Helkern 211.140.222.10 UDP 1434
Any help? Should I close that port or something? What can I do?