哪位帮我看看这是怎么回事?


我的防火墙日志老是出现以下信息:
2005-07-01 09:18:07 UDP from 221.194.79.155:42 to 224.0.1.24:42 Packet Filter Policy entry 20 matched, dropping packet
2005-07-01 09:18:07 ICMP from 221.194.79.155 to 224.0.0.1 Packet Filter Policy entry 20 matched, dropping packet
2005-07-01 09:18:07 from 221.194.79.155:4452 to 224.0.0.1:61083 Packet Filter Policy entry 20 matched, dropping packet
2005-07-01 09:18:07 UDP from 221.194.79.155:42 to 224.0.1.24:42 Packet Filter Policy entry 20 matched, dropping packet

请问这是什么信息呢?谢谢!

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最后编辑2005-07-01 09:31:35