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Load `br_netfilter` kernel module first. |
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export LIBVIRT_DEFAULT_URI="qemu:///system" |
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* 是不是可以通过对未监听端口的流量检测来实现端口扫描检测?也就是说,如果有人向未开放的端口发送数据包试图建立连接,是否就可以认为是端口扫描。 | |
* 初期可以用 libpcap 来捕获流量。这适用于流量比较小的情况,如果流量比较大,那么用这种方式可能效率会很低。 |