阿里云:2核2G服务器5M带宽58元/年、2核4G服务器188元、4核8G服务器346元一年、8核16G5M...
CentOS 7+系统下打开或者关闭firewalld防火墙命令与CentOS6是不同的,Linux百科网分享CentOS7下打开关闭firewalld防火墙与端口的命令方法:
CentOS7下打开关闭firewalld防火墙
firewalld打开关闭及其他常用命令:
systemctl start firewalldsystemctl stop firewalldsystemctl status firewalldsystemctl disable firewalldsystemctl enable firewalldsystemctl是CentOS7的服务管理工具中主要的工具,systemctl融合service和chkconfig的功能于一体:
systemctl start firewalld.servicesystemctl stop firewalld.servicesystemctl restart firewalld.servicesystemctl status firewalld.servicesystemctl enable firewalld.servicesystemctl disable firewalld.servicesystemctl is-enabled firewalld.servicesystemctl list-unit-files|grep enabledsystemctl --failedfirewalld-cmd配置命令
firewall-cmd --versionfirewall-cmd --helpfirewall-cmd --statefirewall-cmd --zone=public --list-portsfirewall-cmd --reloadfirewall-cmd --get-active-zonesfirewall-cmd --get-zone-of-interface=eth0firewall-cmd --panic-onfirewall-cmd --panic-offfirewall-cmd --query-panicfirewall-cmd开启端口实例
firewall-cmd --zone=public --add-port=80/tcp --permanent (--permanent永久生效,没有此参数重启后失效)firewall-cmd --reloadfirewall-cmd --zone= public --query-port=80/tcpfirewall-cmd --zone= public --remove-port=80/tcp --permanent2023服务器优惠,阿里云PK腾讯云!
①阿里云:阿里云5M带宽服务器60元1年起(1c2g/2c4g/2c8g/4c8g/8c16g/16c32g)
②腾讯云:腾讯云2核4G服务器8M带宽74元一年(有高配)
③华为云:华为云1核2服务器1M带宽60元一年(配置多款可选)
⑤代金券:阿里云代金券限量发放中(有账号就能领)

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