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发表于 2011-04-16 22:11 |只看该作者 |倒序浏览

本帖最后由 Bsdder 于 2011-04-16 22:13 编辑

DNS日志里有大量的服务器（32.35.25.4）所在网段IP的错误日志，是什么原因呢？我看了下arp表，这些地址并没有使用的，为什么DNS会发送大量的回包呢？是谁发起的查询请求？

Apr 16 22:03:44 dns1 named[15812]: client 32.35.25.89#40921: view internet: error sending response: host unreachable
Apr 16 22:03:44 dns1 named[15812]: client 32.35.25.39#32874: view internet: error sending response: host unreachable
Apr 16 22:03:44 dns1 named[15812]: client 32.35.25.52#39537: view internet: error sending response: host unreachable
Apr 16 22:03:44 dns1 named[15812]: client 32.35.25.30#33781: view internet: error sending response: host unreachable
Apr 16 22:03:45 dns1 named[15812]: client 32.35.25.83#35455: view internet: error sending response: host unreachable
Apr 16 22:03:45 dns1 named[15812]: client 32.35.25.48#33046: view internet: error sending response: host unreachable
Apr 16 22:03:45 dns1 named[15812]: client 32.35.25.34#34372: view internet: error sending response: host unreachable
Apr 16 22:03:46 dns1 named[15812]: client 32.35.25.30#41916: view internet: error sending response: host unreachable
Apr 16 22:03:46 dns1 named[15812]: client 32.35.25.96#35251: view internet: error sending response: host unreachable
Apr 16 22:03:46 dns1 named[15812]: client 32.35.25.103#34390: view internet: error sending response: host unreachable
Apr 16 22:03:46 dns1 named[15812]: client 32.35.25.0#36058: view internet: error sending response: permission denied
Apr 16 22:03:46 dns1 named[15812]: client 32.35.25.48#37569: view internet: error sending response: host unreachable
Apr 16 22:03:47 dns1 named[15812]: client 32.35.25.25#37618: view internet: error sending response: host unreachable
Apr 16 22:03:47 dns1 named[15812]: client 32.35.25.98#42017: view internet: error sending response: host unreachable
Apr 16 22:03:47 dns1 named[15812]: client 32.35.25.50#38884: view internet: error sending response: host unreachable
Apr 16 22:03:47 dns1 named[15812]: client 32.35.25.83#40704: view internet: error sending response: host unreachable
Apr 16 22:03:47 dns1 named[15812]: client 32.35.25.96#42026: view internet: error sending response: host unreachable
Apr 16 22:03:48 dns1 named[15812]: client 32.35.25.21#39445: view internet: error sending response: host unreachable
Apr 16 22:03:48 dns1 named[15812]: client 32.35.25.63#36097: view internet: error sending response: host unreachable

更奇怪的为何会有整个网段来发起请求的：

Apr 16 22:03:46 dns1 named[15812]: client 32.35.25.0#36058: view internet: error sending response: permission denied