带有mySQL注入的JAVA防火墙 [英] JAVA Firewall with mySQL injection

问题描述

我是一名自由职业者，正在防火墙上做一个项目.我已经完成了有关如何扫描端口的任务，现在我需要阻止端口，ServerSocket是否有可用的方法来阻止端口.

谢谢.

I am working as a free lancer and doing a project on firewall. I have done my task on how to scan a port, now i need to block a port, Are there any methods available from ServerSocket to block a port.

Thankyou.

推荐答案

要阻止端口，请打开它并拒绝任何连接.

To block a port, open it and refuse any connections.

找到了解决方案，正确的解决方案是:
不是这样的:

Found the solution, The correct solution is:
Not this:

Socket ServerSok = new Socket(String host,int port);
ServerSok.close();

但这是:

But this:

ServerSocket socket = new ServerSocket(1066);
while (true) {
    Socket connection = socket.accept();
    connection.close();
}

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