数据包发生器,非常简单.包括原地址,端口,目标地址,端口,序号,ack等,Packet generator, is very simple. Including the original address, port, destination address, port, serial number, ack, etc.

通过分析截获TCP报文首部信息，理解首部中的序号、确认号等字段是TCP可靠连接的基础。通过分析TCP连接的三次握手建立和释放过程，理解TCP连接建立和释放机制。- Intercepted by analyzing the TCP packet header information to understand in the first serial number, confirmation number and other fields are the basis of the TCP rel