netstat -napt|grep 'LIST' 실행 결과입니다.
이메일 서버의 ip는 112.216.156.206 이고,
내부 네트워크로 192.168.10.206 IP도 사용합니다.
[****@**** ~]# netstat -napt|grep 'LIST'
tcp 0 0 192.168.10.206:53 0.0.0.0:* LISTEN 1323/named
tcp 0 0 112.216.156.206:53 0.0.0.0:* LISTEN 1323/named
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 1323/named
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1413/sshd
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 1649/postmaster
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 1714/XMail
tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN 1323/named
tcp 0 0 0.0.0.0:20000 0.0.0.0:* LISTEN 1781/perl
tcp 0 0 0.0.0.0:6017 0.0.0.0:* LISTEN 1714/XMail
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 1610/mysqld
tcp 0 0 0.0.0.0:587 0.0.0.0:* LISTEN 1714/XMail
tcp 0 0 0.0.0.0:79 0.0.0.0:* LISTEN 1714/XMail
tcp 0 0 0.0.0.0:10000 0.0.0.0:* LISTEN 1788/perl
tcp 0 0 :::21 :::* LISTEN 1686/proftpd
tcp 0 0 :::53 :::* LISTEN 1323/named
tcp 0 0 :::22 :::* LISTEN 1413/sshd
tcp 0 0 ::1:5432 :::* LISTEN 1649/postmaster
tcp 0 0 ::1:953 :::* LISTEN 1323/named
tcp 0 0 :::443 :::* LISTEN 1695/httpd
tcp 0 0 :::80 :::* LISTEN 1695/httpd
