Centos 開啟防火牆連接埠

標籤：centos   linux   

Centos5.3+ 開啟防火牆連接埠

1.修改設定檔

vim /etc/sysconfig/iptables

加入一下內容

-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT

2.重啟iptables

service iptables restart

Centos7.0+ 開啟防火牆連接埠

1.開啟80連接埠

firewall-cmd --zone=public --add-port=80/tcp --permanent

命令含義：

–zone #範圍
–add-port=80/tcp #添加連接埠，格式為：連接埠/通訊協議
–permanent #永久生效，沒有此參數重啟後失

2.重啟防火牆

firewall-cmd --reload

3.參考地址
http://stackoverflow.com/questions/24729024/centos-7-open-firewall-port
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Security_Guide/sec-Using_Firewalls.html

Centos 開啟防火牆連接埠