CentOS防火墙管理指南：开启、关闭、规则配置及端口开放

CentOS\u7684\u9632\u706b\u5899\u662fiptables\uff0c\u5b83\u662f\u4e00\u4e2aLinux\u5185\u6838\u6a21\u5757\uff0c\u7528\u4e8e\u89c6\u5267\u7f51\u7edc\u6570\u636e\u5305\u3002CentOS\u9ed8\u8ba4\u72b6\u6001\u4e0b\u662f\u5f00\u542f\u9632\u706b\u5899\u7684\u3002\n\n\u8981\u7ba1\u7406CentOS\u9632\u706b\u5899\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a\n\n1\uff0e\u67e5\u770b\u9632\u706b\u5899\u72b6\u6001\uff1a\n\t\nsudo systemctl status firewalld\n\n\n2\uff0e\u542f\u52a8\u9632\u706b\u5899\uff1a\n\t\nsudo systemctl start firewalld\n\n\n3\uff0e\u505c\u6b62\u9632\u706b\u5899\uff1a\n\t\nsudo systemctl stop firewalld\n\n\n4\uff0e\u91cd\u542f\u9632\u706b\u5899\uff1a\n\t\nsudo systemctl restart firewalld\n\n\n5\uff0e\u8bbe\u7f6e\u5f00\u673a\u81ea\u52a8\u542f\u52a8\uff1a\n\t\nsudo systemctl enable firewalld\n\n\n6\uff0e\u7981\u6b62\u5f00\u673a\u81ea\u52a8\u542f\u52a8\uff1a\n\t\nsudo systemctl disable firewalld\n\n\n7\uff0e\u67e5\u770b\u9632\u706b\u5899\u89c4\u5219\uff1a\n\t\nsudo firewall-cmd --list-all\n\n\n8\uff0e\u6dfb\u52a0\u9632\u706b\u5899\u89c4\u5219\uff1a\n\t\nsudo firewall-cmd --add-service=<service>\n\n\n\t\u5728\u8fd9\u91cc\uff0c\u662f\u8981\u5141\u8bb8\u7684\u670d\u52a1\uff08\u5982http\u3001https\u7b49\uff09\u3002\n\n9\uff0e\u5f00\u653e\u7aef\u53e3\uff1a\n\t\nsudo firewall-cmd --add-port=<port>/tcp\n\n\n\t\u5728\u8fd9\u91cc\uff0c\u662f\u8981\u5f00\u653e\u7684\u7aef\u53e3\u53f7\u3002\n\n10\uff0e\u6c38\u4e45\u751f\u6548\uff1a\n \nsudo firewall-cmd --permanent --add-service=<service>\n\n\n \u6216\u8005\n\n \nsudo firewall-cmd --permanent --add-port=<port>/tcp\n\n\n \u7136\u540e\u91cd\u542f\u9632\u706b\u5899\uff1a\n \nsudo firewall-cmd --reload\n\n\n\u4ee5\u4e0a\u662f\u4e00\u4e9b\u5e38\u7528\u7684CentOS\u9632\u706b\u5899\u7ba1\u7406\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u914d\u7f6e\u548c\u4f7f\u7528\u3002