为什么有这么多禁止Ping入的事件呢？如果防火墙不阻止它会有什么后果呢？谢谢了!

2008-01-10 17:00:52, 系统禁止接收ICMP数据包；地址为：61.187.32.160 <= 209.34.32.40 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-10 17:00:50, 系统禁止接收ICMP数据包；地址为：61.187.32.160 <= 209.34.32.40 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-10 16:51:18, 系统允许发送ICMP数据包；地址为：61.187.32.160 => 218.2.247.67 Code=0, Type=8 ；满足规则：允许Ping出
2008-01-10 16:51:16, 系统允许发送ICMP数据包；地址为：61.187.32.160 => 218.2.247.67 Code=0, Type=8 ；满足规则：允许Ping出
2008-01-10 16:51:15, 系统允许发送ICMP数据包；地址为：61.187.32.160 => 218.2.247.67 Code=0, Type=8 ；满足规则：允许Ping出
2008-01-10 16:51:15, 系统允许发送ICMP数据包；地址为：61.187.32.160 => 218.2.247.67 Code=0, Type=8 ；满足规则：允许Ping出
2008-01-10 16:24:05, 系统禁止接收ICMP数据包；地址为：61.187.32.160 <= 62.231.233.19 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-10 16:24:03, 系统禁止接收ICMP数据包；地址为：61.187.32.160 <= 62.231.233.19 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-10 16:15:29, 系统禁止接收ICMP数据包；地址为：61.187.32.160 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-10 16:05:21, 系统禁止接收ICMP数据包；地址为：61.187.32.160 <= 24.203.152.162 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-10 14:35:42, 系统禁止接收ICMP数据包；地址为：61.187.32.160 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-10 13:16:44, 系统禁止接收ICMP数据包；地址为：61.187.32.151 <= 123.216.23.107 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 21:49:36, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 208.53.112.11 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 20:58:53, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 61.187.155.157 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 20:55:43, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 211.103.186.161 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 20:15:35, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 211.91.225.2 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 20:06:26, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 220.229.213.249 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 20:06:24, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 220.229.213.249 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 20:04:56, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 19:24:39, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 222.163.88.7 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 19:24:36, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 222.163.88.7 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 19:21:36, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 211.91.225.2 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 19:03:50, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 17:32:10, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 16:55:56, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 61.135.231.38 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 16:44:43, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 16:15:55, 系统禁止接收ICMP数据包；地址为：61.187.33.51 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 14:31:48, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 13:26:10, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 159.226.165.151 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 13:02:17, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 82.156.139.242 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 13:02:15, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 82.156.139.242 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 12:32:21, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 159.226.165.151 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 12:23:02, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 211.230.238.170 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 12:22:59, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 211.230.238.170 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 12:17:45, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 216.76.215.6 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 11:57:15, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 24.69.175.132 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 11:53:05, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 11:52:57, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 159.226.165.151 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 11:25:10, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 80.248.4.86 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 11:25:08, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 80.248.4.86 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-09 11:10:57, 系统禁止接收ICMP数据包；地址为：61.187.32.143 <= 220.175.57.118 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 22:45:55, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 124.0.194.127 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 22:45:53, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 124.0.194.127 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 22:31:35, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 81.201.222.62 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 22:31:32, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 81.201.222.62 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 22:17:29, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 66.54.122.218 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 22:17:26, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 66.54.122.218 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 21:36:09, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 68.161.154.87 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 21:18:27, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 61.47.215.167 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 21:18:25, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 61.47.215.167 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 19:46:54, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 24.80.81.53 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 19:41:01, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 61.100.57.103 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 18:40:38, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 89.45.82.67 Code=0, Type=8 ；满足规则：禁止Ping入
2008-01-08 18:02:46, 系统禁止接收ICMP数据包；地址为：61.187.33.59 <= 219.76.166.95 Code=0, Type=8 ；满足规则：禁止Ping入