如何在TCP客户端模式下固定接收端口？

Question

Normally, when tcp client is connected to tcp server, it has one receive port random. So I want to know any way to fixed this port in tcp client (windows socket, mfc).

Answer 1

You can call Create() to specify a port before calling Connect() :

CSocket yourSocket;
yourSocket.Create(sourcePort);
yourSocket.Connect(targetHost, targetPort);