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A simple unrecursive DNS server. It can easily be configured to intercept some kind of request to one address.

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说下我们遇到的场景,我们把BlackHole服务部署到客户的网络中,现象是访问任何域名都失败,而且把所有访问域名写到blacklist中。是不是可以说明,当地DNS被劫持或污染。

On master branch, I add some in pom.xml - add missing spring framework and common-cli - fix the query lowercase issue eg, there is an A record 192.168.88.1 UIC.umu.com in...

我遇到的,电信和联通访问8.8.8.8都是先返回错误的数据包,再有正确的数据包跟在后面。 最近用移动的网络发现,移动的DNS污染8.8.8.8只返回错误的,不返回正确的结果。一直等待正确结果直到超时。

14-07-23 18:04:46,395 WARN us.codecraft.blackhole.connector.UDPConnectionWorker (UDPConnectionWorker.java:47) ## Error processing UDP connection from /192.168.5 0.20:59460, java.nio.channels.UnresolvedAddressException at sun.nio.ch.Net.checkAddress(Unknown Source) at sun.nio.ch.DatagramChannelImpl.send(Unknown Source) at us.codecraft.blackhole.forward.MultiUDPForwarder.send(MultiUDPForward er.java:94) at us.codecraft.blackhole.forward.MultiUDPForwarder.forward(MultiUDPForw arder.java:79) at us.codecraft.blackhole.forward.MultiUDPForwarder.forward(MultiUDPForw arder.java:51) at...

参考这个 http://repo.springsource.org/install/spring-boot-cli.rb

enhancement