CentOs 열려있는 포트 확인

 

 

> netstat -tnlp

TCP 중에서(t), Listening상태[열린포트]인 애들만(l), 상세정보까지(p), 10진수 숫자로(n) 표기한다. 

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      1439/mariadbd
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1107/sshd
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      1575/master
tcp6       0      0 :::16100                :::*                    LISTEN      20807/java
tcp6       0      0 :::13000                :::*                    LISTEN      1673/java
tcp6       0      0 :::3306                 :::*                    LISTEN      1439/mariadbd
tcp6       0      0 :::22                   :::*                    LISTEN      1107/sshd
tcp6       0      0 ::1:25                  :::*                    LISTEN      1575/master

 

* netstat이 없는 경우  yum install net-tools 을 설치한다.