如何检查多个远程Linux系统是否打开了指定端口？

使用以下脚本来达成此目的。

# vi multiple_port_scan.sh
 
#!/bin/sh
for server in `more server-list.txt`
do
  for port in `more port-list.txt`
  do
    #echo $server
    nc -zvw3 $server $port
    echo ""
  done
done

设置 multiple_port_scan.sh 文件的可执行权限。

$ chmod +x multiple_port_scan.sh

最后运行脚本来实现这一目的。

# sh multiple_port_scan.sh
Connection to 192.168.1.2 22 port [tcp/ssh] succeeded!
Connection to 192.168.1.2 80 port [tcp/http] succeeded!
 
Connection to 192.168.1.3 22 port [tcp/ssh] succeeded!
Connection to 192.168.1.3 80 port [tcp/http] succeeded!
 
Connection to 192.168.1.4 22 port [tcp/ssh] succeeded!
Connection to 192.168.1.4 80 port [tcp/http] succeeded!
 
Connection to 192.168.1.5 22 port [tcp/ssh] succeeded!
Connection to 192.168.1.5 80 port [tcp/http] succeeded!
 
Connection to 192.168.1.6 22 port [tcp/ssh] succeeded!
Connection to 192.168.1.6 80 port [tcp/http] succeeded!
 
Connection to 192.168.1.7 22 port [tcp/ssh] succeeded!
Connection to 192.168.1.7 80 port [tcp/http] succeeded!

【编辑推荐】

1. Linux 绝对霸主，Linux 开发者未来可期
2. 如何在Linux中配置sudo访问权限
3. Linux的优缺点，Linux与Windows的区别
4. Linux下使用killall命令终止进程的8大用法
5. 如何在Linux上安装并启用Flatpak支持？

（编辑：盐城站长网）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!