TCP Wrappers is used to block or allow TCP-based applications that are started from inetd, like the Telnet or FTP services.
TCP Wrappers用于阻止或允许从inetd启动的基于TCP的应用程序，比如telnet或FTP服务。
Using two TCP connections, FTP can realize file transfer operation.
FTP使用两个TCP连接来实现文件传送操作。
A server integrated technique is proposed, which integrates HTTP, FTP and user defined protocol together, and uses one TCP port and one thread to supply all web services.
提出服务器集成概念，将HTTP、FTP和用户自定义TCP测量协议集成，用一个端口和线程来提供所有网络服务。
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