Centos優化端口顯示
阿新 • • 發佈：2017-10-18
serve init onf postfix emctl opp start -i netstat
Centos-7
[root@linux-node1 ~]# cat /etc/redhat-release CentOS Linux release 7.4.1708 (Core) [root@linux-node1 ~]# netstat -ntpl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:220.0.0.0:* LISTEN 1086/sshd tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1280/master tcp6 0 0 :::22 :::* LISTEN 1086/sshd tcp6 0 0 ::1:25 :::* LISTEN 1280/master [root@linux-node1 ~]# systemctl stop postfix.service [root@linux-node1 ~]# systemctl enable postfix.service [root@linux-node1 ~]# sed -i ‘s/#ListenAddress 0.0.0.0/ListenAddress 0.0.0.0/g‘ /etc/ssh/sshd_config [root@linux-node1 ~]# systemctl restart sshd [root@linux-node1 ~]# netstat -ntpl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1524/sshd
Centos-6
[root@localhost ~]# cat /etc/redhat-release CentOS release 6.8 (Final) [root@localhost ~]# netstat -ntpl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1329/sshd tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1408/master tcp 0 0 :::22 :::* LISTEN 1329/sshd tcp 0 0 ::1:25 :::* LISTEN 1408/master [root@localhost ~]# /etc/init.d/postfix stop Shutting down postfix: [ OK ] [root@localhost ~]# chkconfig postfix off [root@localhost ~]# sed -i ‘s/#ListenAddress 0.0.0.0/ListenAddress 0.0.0.0/g‘ /etc/ssh/sshd_config [root@localhost ~]# service sshd restart Stopping sshd: [ OK ] Starting sshd: [ OK ] [root@localhost ~]# netstat -ntpl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1540/sshd
Centos優化端口顯示