Olá pessoal!
O meu server está caindo constatemente, e está aparecendo estas mensagens no syslog:
Dec 14 10:00:04 server last message repeated 4 times
Dec 14 10:01:44 server last message repeated 11 times
Dec 14 10:02:40 server last message repeated 10 times
Dec 14 10:03:46 server last message repeated 14 times
Dec 14 10:03:55 server last message repeated 5 times
Dec 14 10:04:05 server kernel: NET: 2 messages suppressed.
Dec 14 10:04:05 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:04:06 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:04:10 server kernel: NET: 1 messages suppressed.
Dec 14 10:04:10 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:04:43 server kernel: NET: 1 messages suppressed.
Dec 14 10:04:43 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:04:54 server last message repeated 3 times
Dec 14 10:06:09 server last message repeated 4 times
Dec 14 10:07:16 server last message repeated 9 times
Dec 14 10:08:14 server last message repeated 9 times
Dec 14 10:09:09 server last message repeated 4 times
Dec 14 10:10:03 server last message repeated 6 times
Dec 14 10:11:15 server last message repeated 20 times
Dec 14 10:11:17 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:11:23 server kernel: NET: 2 messages suppressed.
Dec 14 10:11:23 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:12:04 server kernel: NET: 2 messages suppressed.
Dec 14 10:12:04 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:12:11 server last message repeated 8 times
Dec 14 10:12:15 server kernel: NET: 4 messages suppressed.
Dec 14 10:12:15 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:12:23 server last message repeated 2 times
Dec 14 10:12:29 server kernel: NET: 1 messages suppressed.
Dec 14 10:12:29 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:12:33 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:12:40 server kernel: NET: 1 messages suppressed.
Dec 14 10:12:40 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:12:48 server kernel: NET: 1 messages suppressed.
Dec 14 10:12:48 server kernel: ipt_unclean: UDP zero destination port
Dec 14 10:13:03 server last message repeated 4 times
Dec 14 10:13:07 server kernel: NET: 1 messages suppressed.
Dec 14 11:01:06 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:01:35 server last message repeated 3 times
Dec 14 11:09:56 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:11:12 server last message repeated 8 times
Dec 14 11:12:09 server last message repeated 9 times
Dec 14 11:12:34 server last message repeated 2 times
Dec 14 11:14:14 server last message repeated 7 times
Dec 14 11:15:16 server last message repeated 16 times
Dec 14 11:15:45 server last message repeated 3 times
Dec 14 11:17:12 server last message repeated 9 times
Dec 14 11:18:15 server last message repeated 14 times
Dec 14 11:19:16 server last message repeated 10 times
Dec 14 11:20:16 server last message repeated 9 times
Dec 14 11:21:13 server last message repeated 7 times
Dec 14 11:22:07 server last message repeated 13 times
Dec 14 11:23:16 server last message repeated 9 times
Dec 14 11:23:54 server last message repeated 9 times
Dec 14 11:25:07 server last message repeated 17 times
Dec 14 11:25:13 server kernel: NET: 4 messages suppressed.
Dec 14 11:25:13 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:25:29 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:26:40 server last message repeated 2 times
Dec 14 11:27:21 server last message repeated 5 times
Dec 14 11:29:21 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:29:49 server last message repeated 14 times
Dec 14 11:29:51 server kernel: NET: 10 messages suppressed.
Dec 14 11:29:51 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:29:56 server kernel: NET: 6 messages suppressed.
Dec 14 11:29:56 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:05 server kernel: NET: 5 messages suppressed.
Dec 14 11:30:05 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:07 server kernel: NET: 4 messages suppressed.
Dec 14 11:30:07 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:14 server kernel: NET: 2 messages suppressed.
Dec 14 11:30:14 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:21 server kernel: NET: 2 messages suppressed.
Dec 14 11:30:21 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:22 server kernel: NET: 1 messages suppressed.
Dec 14 11:30:22 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:26 server kernel: NET: 5 messages suppressed.
Dec 14 11:30:26 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:38 server kernel: NET: 2 messages suppressed.
Dec 14 11:30:38 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:39 server kernel: ipt_unclean: UDP zero destination port
Dec 14 11:30:43 server kernel: NET: 2 messages suppressed.
Obrigado a todos pela atenção!!!!