较多使用宝塔搭建的网站并且使用了百度云加速，对于一些高防服务器用户需要将百度云加速回源IP添加白名单，否则会遇到502错误现象，在百度云加速官网提供了相应的白名单IP段和云锁、 安全狗、 IPtables解决方案，对于宝塔面板并没有相应的规则，现在的Linux宝塔面板都是是给予centos7.0+，防火墙用的是firewall，因此IPtables解决方案行不通，在网上看到很多网站都有发过关于宝塔添加百度云加速白名单IP规则，但是都无法使用，基本全部都无法正常加入，有一部分是只给出了百度云加速的白名单IP（如同摆设），并没有提供宝塔对应的格式的白名单IP，也有几个网站提供的好像是以前的宝塔白名单规则无法正常导入（现在规则有双引号），只能将百度云加速提供的IP段通过各种方式（此处省略几万字）转换成宝塔所需的格式。
添加步骤
宝塔面板后台-【软件商店】- 安装【宝塔Nginx防火墙】-【全局配置】-【IP白名单设置】，将下方的百度云加速白名单IP导入粘贴进去，完成。
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