TCP层抓取TCP网络包工具，在调试通过IPsec信道通信时，能够查看到传输的TCP内容。-TCP layer packet capture tool, even through IPsec encrypted channel, you can also view the content of TCP transmission.

抓取网络数据包，支持TCP/UDP网络通信，可接收也可发送数据(Crawl network packets, support TCP/UDP network communication, can receive or send data)