从发布一直到现在都是这样？能解释下么？

ym19

2008-04-01 14:17:25 连接123.130.126.134:21...
2008-04-01 14:17:25 连接123.130.126.134:21成功
2008-04-01 14:17:25 等待欢迎信息...
2008-04-01 14:18:55 QUIT
2008-04-01 14:19:00 连接123.130.126.134:21...
2008-04-01 14:19:00 连接123.130.126.134:21成功
2008-04-01 14:19:00 等待欢迎信息...
2008-04-01 14:20:31 QUIT
2008-04-01 14:20:36 连接123.130.126.134:21...
2008-04-01 14:20:36 连接123.130.126.134:21成功
2008-04-01 14:20:36 等待欢迎信息...
2008-04-01 14:22:06 QUIT
2008-04-01 14:22:11 连接123.130.126.134:21...
2008-04-01 14:22:11 连接123.130.126.134:21成功
2008-04-01 14:22:11 等待欢迎信息...
2008-04-01 14:23:41 QUIT
2008-04-01 14:23:46 连接123.130.126.134:21...
2008-04-01 14:23:46 连接123.130.126.134:21成功
2008-04-01 14:23:46 等待欢迎信息...
2008-04-01 14:25:16 QUIT
2008-04-01 14:25:21 连接123.130.126.134:21...
2008-04-01 14:25:21 连接123.130.126.134:21成功
2008-04-01 14:25:21 等待欢迎信息...
       这只是沧海一粟而已？何故？？