我更换了一台NS 5GT之后，就一直弹出这些报警，

拓扑很简单：trust 接内网交换机， untrust 接光。为什么一直有下面的报警呢？
而且Console没有插线。

2008-05-20 16:47:30   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:47:24   system   warn  00515  Login attempt to system by admin login: login:  ### Login failed via the console has failed
2008-05-20 16:47:18   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:47:18   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:47:12   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:47:06   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:47:00   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:47:00   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:46:54   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:46:48   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:46:42   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:46:42   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:46:36   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:46:30   system   warn  00515  Login attempt to system by admin login: login: login:  ### Login via the console has failed
2008-05-20 16:46:24   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:46:24   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:46:18   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:46:12   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:46:06   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:46:06   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:46:00   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:45:54   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:45:48   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:45:48   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:45:42   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:45:36   system   warn  00515  Login attempt to system by admin login: login: password:  via the console has failed
2008-05-20 16:45:30   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:45:30   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:45:24   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:45:18   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:45:12   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:45:12   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:45:06   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:45:00   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:44:54   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:44:54   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:44:48   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:44:42   system   warn  00515  Login attempt to system by admin login: login:  ### Login failed via the console has failed
2008-05-20 16:44:36   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:44:36   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:44:30   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:44:24   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:44:18   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:44:18   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:44:12   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:44:06   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:44:00   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:44:00   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:43:54   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:43:48   system   warn  00515  Login attempt to system by admin login: login: login: password:  via the console has failed
2008-05-20 16:43:42   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:43:42   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:43:36   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:43:30   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:43:24   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:43:24   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:43:18   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:43:12   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:43:06   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:43:06   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:43:00   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:42:54   system   warn  00515  Login attempt to system by admin login: login: password:  via the console has failed
2008-05-20 16:42:48   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:42:48   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:42:42   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:42:36   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:42:30   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:42:30   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:42:24   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:42:18   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:42:12   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:42:12   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:42:06   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:42:00   system   warn  00515  Login attempt to system by admin login: login:  ### Login failed via the console has failed
2008-05-20 16:41:54   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:41:54   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:41:48   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:41:42   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:41:36   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:41:36   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:41:30   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:41:24   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:41:18   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:41:18   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:41:12   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:41:06   system   warn  00515  Login attempt to system by admin login: login: Save System Confi via the console has failed
2008-05-20 16:41:00   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:41:00   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:40:54   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:40:48   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:40:42   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:40:42   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:40:36   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:40:30   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:40:24   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:40:24   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:40:18   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:40:12   system   warn  00515  Login attempt to system by admin login: login: login:  ### Login via the console has failed
2008-05-20 16:40:06   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:40:06   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:40:00   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:39:54   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:39:48   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:39:48   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:39:42   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:39:36   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:39:30   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:39:30   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:39:24   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:39:18   system   warn  00515  Login attempt to system by admin login: login: password:  via the console has failed
2008-05-20 16:39:12   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:39:12   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:39:06   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:39:00   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:38:54   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:38:54   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:38:48   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:38:42   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:38:36   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:38:36   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:38:30   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:38:24   system   warn  00515  Login attempt to system by admin login: login:  ### Login failed via the console has failed
2008-05-20 16:38:18   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:38:18   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:38:12   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:38:06   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:38:00   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:38:00   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:37:54   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:37:48   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:37:42   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:37:42   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:37:36   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:37:30   system   warn  00515  Login attempt to system by admin login: login: login: password:  via the console has failed
2008-05-20 16:37:24   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:37:24   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:37:22   system   warn  00515  Admin user "teijin" has been forced to log out of the Telnet session on host 172.31.161.131:2260
2008-05-20 16:37:22   system   info  00767  Lock configuration ended by task telnet-cmd:0.
2008-05-20 16:37:22   system   warn  00515  Management session via Telnet from 172.31.161.131:2260 for admin teijin has timed out
2008-05-20 16:37:18   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:37:12   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:37:06   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:37:06   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:37:00   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:36:54   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:36:48   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:36:48   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:36:42   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:36:36   system   warn  00515  Login attempt to system by admin login: login: password:  via the console has failed
2008-05-20 16:36:30   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:36:30   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:36:24   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:36:18   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:36:12   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:36:12   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:36:06   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:36:00   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:35:54   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:35:54   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:35:48   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:35:42   system   warn  00515  Login attempt to system by admin login: login:  ### Login failed via the console has failed
2008-05-20 16:35:36   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:35:36   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:35:30   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:35:24   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:35:18   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:35:18   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:35:12   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:35:06   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:35:00   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:35:00   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:34:54   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:34:48   system   warn  00515  Login attempt to system by admin login: login: login: login: log via the console has failed
2008-05-20 16:34:42   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:34:42   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:34:36   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:34:30   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:34:24   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:34:24   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:34:18   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:34:12   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:34:06   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:34:06   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:34:00   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:33:54   system   warn  00515  Login attempt to system by admin login: login: password:  via the console has failed
2008-05-20 16:33:48   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:33:48   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:33:42   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:33:36   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:33:30   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:33:30   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:33:24   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:33:18   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:33:12   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:33:12   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:33:06   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:33:00   system   warn  00515  Login attempt to system by admin login: login:  ### Login failed via the console has failed
2008-05-20 16:32:54   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:32:54   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:32:48   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:32:42   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:32:36   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:32:36   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:32:30   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:32:24   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:32:18   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:32:18   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:32:12   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:32:06   system   warn  00515  Login attempt to system by admin login: login: login:  ### Login via the console has failed
2008-05-20 16:32:00   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:32:00   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:31:54   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:31:48   system   warn  00515  Login attempt to system by admin login:  ### Login failed via the console has failed
2008-05-20 16:31:42   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:31:42   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:31:36   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:31:30   system   warn  00515  Login attempt to system by admin login: password:  via the console has failed
2008-05-20 16:31:24   system   warn  00515  Login attempt to system by admin password:  via the console has failed
2008-05-20 16:31:24   system   crit  00027  Multiple login failures occurred for user password:
2008-05-20 16:31:18   system   warn  00515  Login attempt to system by admin  ### Login failed via the console has failed
2008-05-20 16:31:12   system   warn  00515  Login attempt to system by admin login: login: password:  via the console has failed
2008-05-20 16:31:10   system  notif  00767  All logged events or alarms were cleared by admin teijin
=============================================================================
End of System Event Log
=============================================================================

Juniper网络安全防火墙设备快速安装手册_V1.0 我在这个论坛中看到过，也许对你有帮助呀！！ http://www.juniperbbs.net/thread-5946-1-1.html

这些都是系统报警，看看你的5gt的配置是否正确！

有人企图登入你的防火墙，在不停的尝试帐号和密码