


How to detect where traffic comes from in Linux
linux检测流量的来源的方法有:1、iftop,实时流量监测工具,可用于查看特定网络接口的流量来源和目的地;2、nethogs,一个以进程为单位显示网络流量的工具,可以告诉哪些进程正在使用网络以及它们的流量来源;3、tcpdump,一个功能强大的网络数据包捕获工具,可以将捕获到的网络数据包保存到文件,并提供多种过滤选项来分析流量。
本教程操作系统:Linux5.18.14系统、Dell G3电脑。
在Linux系统中,您可以使用一些工具来检测网络流量的来源。下面是一些常用的工具和相应的操作:
1、iftop:
iftop是一个实时流量监测工具,可用于查看特定网络接口的流量来源和目的地。安装iftop后,可以通过以下命令来运行它:
sudo iftop -i <interface>
其中,
2、nethogs:
nethogs是一个以进程为单位显示网络流量的工具。它可以告诉您哪些进程正在使用网络以及它们的流量来源。安装nethogs后,可以通过以下命令来运行它:
sudo nethogs <interface>
3、tcpdump:
tcpdump是一个功能强大的网络数据包捕获工具。它可以将捕获到的网络数据包保存到文件,并提供多种过滤选项来分析流量。以下是一个示例命令:
sudo tcpdump -i <interface> -n
这些工具都需要以root或sudo权限来运行,以便访问网络接口和捕获数据包。请注意,正确使用这些工具需要一定的网络知识和理解。为了更详细的使用说明,请参考相应工具的文档或使用帮助命令(如man iftop、man nethogs和man tcpdump)。
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