Centos6 关闭防火墙 server iptablesd stop 开启防火墙 server iptablesd start 保存防火墙配置 server iptablesd save 关闭开机启动 chkconfig iptables off 开启开机启动 chkconfig iptables on
开启谋个端口(2231) iptables -I INPUT -p tcp --dport 2231 -j ACCEPT iptables -I OUTPUT -p tcp --dport 2231 -j ACCEPT
Centos7关闭防火墙 systemctl stop firewalld 开启防火墙 systemctl start firewalld 关闭开机启动 systemctl disable firewalld 开启开机启动 systemctl enable firewalld
开启某个端口(2231) firewall-cmd --zone=public --add-port=2231/tcp --permanent firewall-cmd --reload 查询端口号2231 是否开启: firewall-cmd --query-port=2231/tcp 查询有哪些端口是开启的: firewall-cmd --list-port
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