网络编程实验之实现地址与主机名的转换，输入IP地址可查找到主机名，输入主机名可以查找到IP地址-Experimental realization of network programming address and host name of the conversion, enter the IP address to find the host name, enter the host name to IP address you can find

本资料主要是企业内部网模拟实验：包含ACL控制，网络地址转换部分。-This information is mainly intranet simulations: Contains ACL control, network address translation section.