服务器端口必须开吗?新手必看的3要3不要原则,新手必知,服务器端口开启的三要三不要原则
Must the server port be open? The "3 DOS and 3 Don 'ts" principle that beginners must read and the "3 DOS and 3 Don 'ts" principle that beginners must know when opening server ports
以上为机器翻译结果，长、整句建议使用 人工翻译 。