服务器端口不关闭,安全漏洞大开,防御方案实测,服务器端口长期开启,安全风险暴露,实战防御方案解析
If server ports are not closed, security vulnerabilities will be exposed. Actual test of defense plans. If server ports are kept open for a long time, security risks will be exposed. Analysis of practical defense plans
以上为机器翻译结果，长、整句建议使用 人工翻译 。