光知道IP地址就能连服务器?这五道关卡你得过!轻松连服务器?五大关卡揭秘IP地址背后的奥秘
Can one connect to the server just by knowing the IP address? You must pass these five levels! Easily connect to the server? Five major levels reveal the mysteries behind IP addresses
以上为机器翻译结果，长、整句建议使用 人工翻译 。