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TCP 连接由 { local_IP, local_port, remote_IP, remote_port } 唯一标识。
local_IP==remote_IP有可能local_port==remote_port吗?
local_IP==remote_IP
local_port==remote_port
回答我自己的问题...
这是可能的并且可以观察到,请参阅如何将 TCP 连接返回到同一个端口?