Centos禁止某个IP访问

{"value":"### 1\u3001\u4f7f\u7528firewalld\u547d\u4ee4\n\n**\uff081\uff09\u6dfb\u52a0\u7981\u6b62\u67d0\u4e2aIP\u8bbf\u95ee\u89c4\u5219**\n\n firewall-cmd --permanent --add-rich-rule='rule family=ipv4 source address=\"xxx.xxx.xxx.xxx\" drop'\n\n**\uff082\uff09\u91cd\u65b0\u52a0\u8f7d\u9632\u706b\u5899\u914d\u7f6e**\n\n firewall-cmd --reload\n\n**\uff083\uff09\u67e5\u770b\u7ed3\u679c**\n\n firewall-cmd --list-all\n\n**\u9644\uff1a\u5220\u9664\u6dfb\u52a0\u89c4\u5219**\n\n firewall-cmd --permanent --remove-rich-rule='rule family=ipv4 source address=\"xxx.xxx.xxx.xxx\" drop'\n\n\n\n### 2\u3001\u4f7f\u7528iptables\u547d\u4ee4\n\n\u7981\u6b62\u67d0\u4e2aip\u8bbf\u95ee\u670d\u52a1\u5668\niptables -I INPUT -s XXX.XXX.XXX.XXX -j DROP\n\n\u6b64\u547d\u4ee4\u662f\u4e34\u65f6\u751f\u6548\u7684\uff0c\n\u6c38\u4e45\u751f\u6548\u547d\u4ee4 service iptables save\n\u4e0d\u8fc7\u4f7f\u7528\u6b64\u547d\u4ee4\u662f\u4f1a\u51fa\u73b0\u62a5\u9519 failed to restart iptables.service unit not found\n\u627e\u4e0d\u5230iptables.service\u670d\u52a1\n\u9700\u8981\u5b89\u88c5iptables.service\u670d\u52a1\n\n**(1)\u4e0b\u8f7diptables\u670d\u52a1**\n\n yum install iptables-services\n\n**(2)\u8bbe\u7f6e\u5f00\u673a\u542f\u52a8**\n\n systemctl enable iptables\n\n**(3)\u6dfb\u52a0\u7981\u6b62\u67d0\u4e2aIP\u8bbf\u95ee\u7684\u89c4\u5219**\n\n iptables -I INPUT -s XXX.XXX.XXX.XXX -j DROP\n\n**(4)\u4fdd\u5b58\u89c4\u5219**\n\n service iptables save\n\n**\u9644\uff1a\u67e5\u770b\u6dfb\u52a0\u89c4\u5219\u6309\u5e8f\u53f7\u663e\u793a**\n\n iptables -L -n --line-numbers\n\n**\u6309\u5e8f\u53f7\u5220\u9664\u89c4\u5219**\n\n iptables -D INPUT X"}