【求助】帮我看一段DNS日志

Jan  4 08:35:01 dns1 crond(pam_unix)[11052]: session opened for user root by (uid=0)
Jan  4 08:35:02 dns1 crond(pam_unix)[11052]: session closed for user root
Jan  4 08:40:01 dns1 crond(pam_unix)[11056]: session opened for user root by (uid=0)
Jan  4 08:40:01 dns1 crond(pam_unix)[11057]: session opened for user root by (uid=0)
Jan  4 08:40:01 dns1 crond(pam_unix)[11056]: session closed for user root
Jan  4 08:40:02 dns1 crond(pam_unix)[11057]: session closed for user root
Jan  4 08:45:01 dns1 crond(pam_unix)[11065]: session opened for user root by (uid=0)
Jan  4 08:45:01 dns1 crond(pam_unix)[11065]: session closed for user root
Jan  4 08:47:00 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 08:47:14 dns1 last message repeated 2 times
Jan  4 08:47:31 dns1 htt_server[2079]: status has not been enabled yet. (1, 2)
Jan  4 08:47:37 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 08:47:41 dns1 htt_server[2079]: Client shut down the connection owned by im_id(1).
Jan  4 08:49:27 dns1 htt_server[2079]: status has not been enabled yet. (1, 3)
Jan  4 08:49:47 dns1 htt_server[2079]: status has not been enabled yet. (1, 4)
Jan  4 08:50:01 dns1 crond(pam_unix)[11191]: session opened for user root by (uid=0)
Jan  4 08:50:02 dns1 crond(pam_unix)[11190]: session opened for user root by (uid=0)
Jan  4 08:50:02 dns1 crond(pam_unix)[11190]: session closed for user root
Jan  4 08:50:03 dns1 crond(pam_unix)[11191]: session closed for user root
Jan  4 08:50:32 dns1 htt_server[2079]: Client shut down the connection owned by im_id(1).
Jan  4 08:51:36 dns1 htt_server[2079]: Client shut down the connection owned by im_id(1).
Jan  4 08:51:44 dns1 htt_server[2079]: status has not been enabled yet. (1, 3)
Jan  4 08:53:52 dns1 sshd(pam_unix)[11200]: session opened for user root by root(uid=0)
Jan  4 08:55:01 dns1 crond(pam_unix)[11235]: session opened for user root by (uid=0)
Jan  4 08:55:02 dns1 crond(pam_unix)[11235]: session closed for user root
Jan  4 09:00:01 dns1 crond(pam_unix)[11240]: session opened for user root by (uid=0)
Jan  4 09:00:01 dns1 crond(pam_unix)[11242]: session opened for user root by (uid=0)
Jan  4 09:00:01 dns1 crond(pam_unix)[11240]: session closed for user root
Jan  4 09:00:02 dns1 crond(pam_unix)[11242]: session closed for user root
Jan  4 09:01:01 dns1 crond(pam_unix)[11246]: session opened for user root by (uid=0)
Jan  4 09:01:01 dns1 crond(pam_unix)[11246]: session closed for user root
Jan  4 09:05:01 dns1 crond(pam_unix)[11250]: session opened for user root by (uid=0)
Jan  4 09:05:02 dns1 crond(pam_unix)[11250]: session closed for user root
Jan  4 09:10:01 dns1 crond(pam_unix)[11252]: session opened for user root by (uid=0)
Jan  4 09:10:01 dns1 crond(pam_unix)[11253]: session opened for user root by (uid=0)
Jan  4 09:10:01 dns1 crond(pam_unix)[11252]: session closed for user root
Jan  4 09:10:02 dns1 crond(pam_unix)[11253]: session closed for user root
Jan  4 09:11:20 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 09:11:48 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 09:11:48 dns1 iptables:  succeeded
Jan  4 09:11:48 dns1 last message repeated 2 times
Jan  4 09:11:48 dns1 kernel: ip_tables: (C) 2000-2002 Netfilter core team
Jan  4 09:11:48 dns1 kernel: ip_conntrack version 2.1 (8191 buckets, 65528 max) - 356 bytes per conntrack
Jan  4 09:11:48 dns1 iptables:  succeeded
Jan  4 09:11:53 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 09:12:10 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 09:12:11 dns1 htt_server[2079]: Client shut down the connection owned by im_id(1).
Jan  4 09:14:17 dns1 htt_server[2079]: Client shut down the connection owned by im_id(1).
Jan  4 09:14:39 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 09:14:39 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 09:15:01 dns1 crond(pam_unix)[11413]: session opened for user root by (uid=0)
Jan  4 09:15:02 dns1 crond(pam_unix)[11413]: session closed for user root
Jan  4 09:15:25 dns1 htt_server[2079]: status has not been enabled yet. (1, 1)
Jan  4 09:16:38 dns1 last message repeated 3 times
Jan  4 09:16:41 dns1 last message repeated 2 times
Jan  4 09:16:45 dns1 htt_server[2079]: status has not been enabled yet. (1, 2)
Jan  4 09:17:31 dns1 last message repeated 2 times

这些是早上dns服务器message日志的一部分。我的dns 服务器在出现dns1 htt_server[2079]: status has not been enabled yet.的时候，我ping不通dns服务器，但是dns服务器能ping通其他的机器。
　　　　　　

检查一下防火墙看看　　　　　　

防火墙把它关掉也是一样的。网络不稳定。