在Cloudflare WAF中屏蔽国内浏览器

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要在Cloudflare WAF免费计划中添加屏蔽国内浏览器的规则，请按照以下步骤操作。这个规则基于用户代理字符串来屏蔽特定的浏览器。以下是具体的步骤和完整的规则表达式：

步骤：

登录到 Cloudflare Dashboard
选择托管的域名
在左侧导航栏中选择 Security
点击 WAF
选择 Custom rules
点击 Create rule
在 Expression preview 右侧点击 Edit expression
粘贴以下规则表达式

表达式：

(http.user_agent contains "115Browser") or 
(http.user_agent contains "2345chrome") or 
(http.user_agent contains "2345Explorer") or 
(http.user_agent contains "360EE") or 
(http.user_agent contains "360SE") or 
(http.user_agent contains "AliApp") or 
(http.user_agent contains "Baidu") or 
(http.user_agent contains "BaiduHD") or 
(http.user_agent contains "baidubrowser") or 
(http.user_agent contains "baiduboxapp") or 
(http.user_agent contains "baidu") or 
(http.user_agent contains "BIDUBrowser") or 
(http.user_agent contains "com.douban.frodo") or 
(http.user_agent contains "DingTalk") or 
(http.user_agent contains "HarmonyOS") or 
(http.user_agent contains "HUAWEI") or 
(http.user_agent contains "HuaweiBrowser") or 
(http.user_agent contains "huawei") or 
(http.user_agent contains "IqiyiApp") or 
(http.user_agent contains "LBBROWSER") or 
(http.user_agent contains "LieBaoFast") or 
(http.user_agent contains "Mb2345Browser") or 
(http.user_agent contains "MetaSr") or 
(http.user_agent contains "MicroMessenger") or 
(http.user_agent contains "MiuiBrowser") or 
(http.user_agent contains "MZBrowser") or 
(http.user_agent contains "OppoBrowser") or 
(http.user_agent contains "QHBrowser") or 
(http.user_agent contains "QihooBrowser") or 
(http.user_agent contains "QQ") or 
(http.user_agent contains "QQBrowser") or 
(http.user_agent contains "Quark") or 
(http.user_agent contains "SNEBUY-APP") or 
(http.user_agent contains "Sogou") or 
(http.user_agent contains "SP-engine") or 
(http.user_agent contains "TheWorld") or 
(http.user_agent contains "UC") or 
(http.user_agent contains "UCBrowser") or 
(http.user_agent contains "UCWEB") or 
(http.user_agent contains "UBrowser") or 
(http.user_agent contains "VivoBrowser") or 
(http.user_agent contains "WeChat") or 
(http.user_agent contains "Weibo") or 
(http.user_agent contains "Weixin") or 
(http.user_agent contains "wxwork")