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地理位置ip防火墙 - Geo ip firewall
简介：
利用系统底层按地理位置对国家或地区的ip地址进行高性能黑白名单访问控制，
使用：
Usage: gif <option> [country code]
Options:
-b <country code> Blacklist mode,deny IPs from the region you specified.Ex:gif -b us,jp
-w <country code> Whitelist mode,only allow IPs from the region you specified.Ex:gif -w cn,hk,mo,tw
-c Clear the geo ip firewall rules
-u Update myself and ip database
-h, --help Show this help message and exit
快速入门：
1、将gif和cidr.txt上传到指定服务器并赋予gif可执行权限：
2、使用黑名单模式拦截指定地域ip访问服务器， ：
3、使用白名单模式只允许指定地域ip可以访问服务器， ：
4、可以通过修改cidr.txt来自定义区域ip段， ：
5、清除所有规则， ：
6、软件和ip库更新， ：
