block connection

基本解释

Both of these methods block until a connection request is available in the queue.
这两个方法都会一直封锁到连接要求在伫列中可用为止。
You can then add your required logic and block any connection that does not fit the allowed pattern.
然后，可以添加需要的逻辑，并阻塞不符合上述模式的连接。
It is also worth noting that it may be advisable to configure the server to listen on a nonstandard high-numbered port such as 8000 since many ISPs block incoming connection requests on port 80.
还需要指出的是，将服务器配置为监听一个非标准的大一些的端口（例如 8000）是很明智的，因为很多 ISP 都阻塞了端口 80 上的连接请求。

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