linux监听端口状态和扫描端口是否开启

监听端口状态

netstat -lntup|grep 25    //将25替换成需要查看监听状态的端口号
ss -nltp | grep 25     //将25替换成需要查看监听状态的端口号

要是查看不到系统端口监听状态,说明系统的对应服务没有运行,先检查系统服务让服务正常运行再扫描端口是否开启

扫描端口是否开启的网站

https://tool.chinaz.com/port
sanradar
sanradar
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